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Astral to Join OpenAI

https://astral.sh/blog/openai
453•ibraheemdev•2h ago

Comments

lucrbvi•2h ago
This is a weird pattern accross OpenAI/Anthropic to buy startups building better toolings.

I don't really see the value for OAI/Anthropic, but it's nice to know that uv (+ ty and many others) and Bun will stay maintained!

0x3f•1h ago
> it's nice to know that uv (+ ty and many others) and Bun will stay maintained!

Depends if you think the bubble is going to pop, I suppose. In some sense, independence was insulation.

synthc•1h ago
`uv agent` and `bun agent` in 3....2.....1....
rgilliotte•1h ago
Totally agree

The value for Anthropic / OAI is that they have a strong interest in becoming the "default" agent.

The one that you don't need to install, because it's already provided by your package manager.

everforward•1h ago
I don't think this holds because we're talking about developers who know how to use a package manager, on a piece of software you have to install anyways. The friction of "uv add $other_llm_software" is too low for it to have a real impact.

I think they're more into the extra context they can build for the LLM with ruff/ty.

siva7•17m ago
You fool think they are targeting developers with this purchase?
LoganDark•1h ago
I'm not so sure. I sort of wish they hadn't been acquired because these sort of acquihires usually result in stifling the competition while the incumbent stagnates. It definitely is an acquihire given OpenAI explicitly states they'll be joining the Codex team and only that their existing open-source projects will remain "maintained".
jpalomaki•1h ago
Somebody took a deeper look at Claude Code and claims to find evidence of Anthropic's PaaS offering [1]. There's certainly money to be made by offering a nice platform where "citizen developers" can push their code.

From Astral the (fast) linter and type checker are pretty useful companions for agentic development.

[1] https://x.com/AprilNEA/status/2034209430158619084

lucrbvi•1h ago
I wouldn't be surprised if Vercel were bought by Anthropic/OAI (but maybe it would be too expensive?)
jimmydoe•1h ago
Nothing is too expensive. It will be a bidding war.
bikelang•1h ago
No no - SpaceX/xAi must now buy Vercel so that we can deploy our bloated Next apps to space.
GCUMstlyHarmls•1h ago
Next now renamed to Xext.
DoctorDabadedoo•1h ago
Good that they got some money and a longer runaway, but I have my doubts the product will improve rather than be smothered to death.

Embrace, extend, extinguish. Time will tell.

itissid•1h ago
Isn't this something to do with their paid pyx(as opposed to ty/ruff etc) thingy?
christina97•1h ago
I mean they are “startups” on the way to mega-companies. They need internal tooling to match.
butlike•17m ago
They probably prompted for what they should do next and got this as a half-hallucinated response lol
fnands•1h ago
Related (OpenAI announcement): https://news.ycombinator.com/item?id=47438716
weakfish•1h ago
What happens when OpenAI’s burn dries up their cash?
sourcegrift•1h ago
RAM prices go down. My hope though is that the period RAM prices stay up will put electron apps out of market.
genthree•29m ago
All the vibe-coded webshitware these companies are putting out seems too be doing the opposite: it's all even more memory- and cycle-hungry than the webshit we were lovingly pooping out by hand for the last decade.
Cthulhu_•1h ago
They get more money from investors, go public, or get bought.
throwa356262•1h ago
They mysteriously gain a lot of government contracts.

In a completely unrelated event, Donald sues Sam for 10M$ for calling him old, Sam grudingly agrees to pay him 16M$ and a beer.

prodigycorp•1h ago
$110B will surely last for at least a year.
morphology•1h ago
That money is going directly to Jensen as quickly as possible to secure OpenAI's place in the delivery queue
prodigycorp•1h ago
The investment version of "can you climb up a falling ladder fast enough to not fall"
gedy•1h ago
"We must be regulated to contain the nuclear bomb like power of our products. Oh look it escaped again!", etc
Fervicus•1h ago
Taxpayers bail them out.
gmerc•1h ago
That's where taxpayers come in a the ultimate bagholder.
dinosor•1h ago
I'm confused as to what will happen to their platform product which was in closed beta - pyx. Since they no longer need to worry about money (I assume) they no longer need to chase after enterprise customers?
T-A•58m ago
"OpenAI is focusing employee and investor attention on its enterprise business as the artificial intelligence startup gears up to go public, potentially by the end of the year, CNBC has learned."

https://www.cnbc.com/2026/03/17/openai-preps-for-ipo-in-2026...

applfanboysbgon•1h ago
Company that repeatedly tells you software developers are obsoleted by their product buys more software developers instead of using said product to create software. Hmm.
avaer•1h ago
As good as the team is, that's not what they're buying in this case.
suddenlybananas•1h ago
What are they buying?
KeplerBoy•1h ago
mindshare and a central piece of the python package management ecosystem.
bootsmann•1h ago
Most popular product on the planet acquires a random python packaging org for mindshare? What am I not seeing here?
__float•1h ago
"uv" is a very widely used tool in the Python ecosystem, and Python is important to AI. Calling it "a random Python packaging org" seems a bit unfair.
nilkn•1h ago
I feel like it's pretty easy to predict what OpenAI is trying to do. They want their codex agent integrated directly into the most popular, foundational tooling for one of the world's most used and most influential programming languages. And, vice versa, they probably want to be able to ensure that tooling remains well-maintained so it stays on top and continues to integrate well with their agent. They want codex to become the "default" coding agent by making it the one integrated into popular open source software.
MoreQARespect•1h ago
This makes much more sense as an zoom-buys-keybase style acquihire. I bet within a month the astral devs will be on new projects.

Bundling codex with uv isnt going to meaningfully affect the number of people using it. It doesnt increase the switching costs or anything.

aldanor•1h ago
One of the popular products on the planet acquires the most popular python packaging org
KeplerBoy•1h ago
The dev market? Anthropic's services are arguably more popular among a certain developer demographic.

I guess this move might end up in a situation where the uv team comes up with some new agent-first tooling, which works best or only with OAI services.

mcmcmc•1h ago
This just seems like panic M&A. They know they aren’t on track to ever meet their obligations to investors but they can’t actually find a way to move towards profitability. Hence going back to the VC well of gambling obscene amounts of money hoping for a 10x return… somehow
OJFord•1h ago
What you're not seeing, edited inline, is:

Not-most popular LLM software development product on the planet acquires most popular/rapidly rising python packaging org for mindshare.

Ygg2•1h ago
I didn't know Claude bought Astral! /S
everforward•1h ago
I think this is more about `ruff` than `uv`. Linting is all about parsing the code into something machines can analyze, which to me feels like something that could potentially be useful for AI in a similar way to JetBrains writing their own language parsers to make "find and replace" work sanely and what not.

I'm sort of wondering if they're going to try to make a coding LLM that operates on an AST rather than text, and need software/expertise to manage the text->AST->text pipeline in a way that preserves the structure of your files/text.

skydhash•10m ago
Writing a parser is not that much of work to buy a company in order to do it. Piggybacking on LSP servers and treesitter would be more efficient.
contagiousflow•1h ago
Why can't they just vibe code a uv replacement?
KeplerBoy•1h ago
They can, everyone can.

Good luck vibe coding marketshare for your new tool.

suddenlybananas•1h ago
Why would that marketshare be valuable?
drgiggles•1h ago
This. It's valuable b/c if you have many thousands of python devs using astral tooling all day, and it tightly integrates with subscription based openai products...likelihood of openai product usage increases. Same idea with the anthropic bun deal. Remains to be seen what those integrations are and if it translates to more subs, but that's the current thesis. Buy user base -> cram our ai tool into the workflow of that user base.
freetonik•1h ago
OpenAI could vibe-code marketshare by introducing bias into ChatGPT's responses and recommendations. "– how to do x in Python? – Start by installing OpenAI-UV first..."
cesarvarela•43m ago
But new tools (like uv) start with no market share.
noodletheworld•1h ago
uv
rvnx•1h ago
> Second, to our investors, especially Casey Aylward from Accel, who led our Seed and Series A, and Jennifer Li from Andreessen Horowitz, who led our Series B

They are buying out investors, it's like musical chairs.

The liquidity is going to be better on OpenAI, so it pleases everyone (less pressure from investors, more liquidity for investors).

The acquisition is just a collateral effect.

tgtweak•1h ago
Are you implying that the revenue multiple on this acquisition is lower than openAIs and that they'd be making money by acquiring and folding into their valuation multiple? I think that's not the case and I would wager non existent.

This was an acquihire (the author of ripgrep, rg, which codex uses nearly exclusively for file operations, is part of the team at Astral).

So, 99% acquihire , 1% other financial trickery. I don't even know if Astral has any revenue or sells anything, candidly.

rvnx•1h ago
They raised 4M USD, they have 26 full-time employees (they pay 120<->200K / yr, cf https://pitchbook.com/profiles/company/523411-93 ).

It means the company almost reached their runway, so all these employees would have to find a job.

It's a very very good product, but it is open-source and Apache / MIT, so difficult to defend from anyone just clicking on fork. Especially a large company like OpenAI who has massive distribution.

Now that they hired the employees, they have no more guarantees than if they made a direct offer to them.

zanie•49m ago
A brief note, your numbers are way off here — Astral subsequently raised a Series A and B (as mentioned in the blog post) but did not announce them. We were doing great financially.

(I work at Astral)

rvnx•32m ago
It seems you are one of the most active contributors there.

I would sincerely have understood better (and even wished) if OpenAI made you a very generous offer to you personally as an individual contributor than choose a strategy where the main winners are the VCs of the purchased company.

Here, outside, we perceive zero to almost no revenues (no pricing ? no contact us ? maybe some consulting ?) and millions burned.

Whether it is 4 or 8 or 15M burned, no idea.

Who's going to fill that hole, and when ? (especially since PE funds have 5 years timeline, and company is from 2021).

The end product is nice, but as an investor, being nice is not enough, so they must have deeper motives.

tgtweak•43m ago
So I don't see how the acquisition is collateral - it's an acquihire plain and simple, if anything else it would be supply chain insurance as they clearly use a lot of these tools downstream. As you noted the licensing is extremely permissive on the tools so there appears to be very little EV there for an acquirer outside of the human capital building the tools or building out monetized features.

I'm not too plugged into venture cap on opensource/free tooling space but raising 3 rounds and growing your burn rate to $3M/yr in 24 months without revenue feels like a decently risky bag for those investors and staff without a revenue path or exit. I'd be curious to see if OpenAI went hunting for this or if it was placed in their lap by one of the investors.

OpenAI has infamously been offering huge compensation packages to acquire talent, this would be a relative deal if they got it at even a modest valuation. As noted, codex uses a lot of the tooling that this team built here and previously, OpenAI's realization that competitors that do one thing better than them (like claude with coding before codex) can open the door to getting disrupted if they lapse - lots of people I know are moving to claude for non-coding workflows because of it's reputation and relatively mature/advanced client tools.

waynesonfire•39m ago
> They raised 4M USD

What was their pitch?

jon-wood•1h ago
I can see why the former investors and Astral founders would like that, what I don't see is what OpenAI get out of the deal.
huqedato•1h ago
IMO, they are buying business just to put them down later to avoid potential competition. The recipe is not new, it has been practiced by Google/Microsoft for many years.
ainch•1h ago
What competition was OpenAI likely to face from a team working on fast Python tooling?
huqedato•41m ago
I have no idea but for sure they did their homework before making this step. I suppose they're grabbing these business just to stay ahead, in order to prevent the competitors to buy those instead.
butlike•18m ago
Sitting on cash as a company also looks bad to investors
AlexCoventry•1h ago
They probably have retention issues, due to selling out to fascism recently.

https://www.cnbc.com/2026/03/03/openai-sam-altman-pentagon-d...

I know I stopped using them.

dewey•1h ago
And buying a niche developer tool is helping with that?
throawayonthe•1h ago
i think the point that comment is making is that it's an acquihire, that they bought it to poach the developers
sidsud•1h ago
which AI company hasn't?
MrBuddyCasino•53m ago
"Fascism" is when military. The more military, the more fascist. According to this metric, the USSR / DDR with its "anti-fascist wall" was super extra fascist because they were armed to the teeth.
orbifold•35m ago
they were definitely totalitarian, slightly different mix of ideology. Fascist is a fairly good description here, it describes close collaboration of government with corporations to advance national goals. US had somewhat fascist tendencies for a long time now.
waynesonfire•42m ago
And, they buy a company writing tooling for Python in not Python.
LollipopYakuza•20m ago
A tool might not be the best tool to build itself, doesn't mean it is not good. You don't use a screwdriver to craft screwdrivers. Doesn't mean screwdrivers are inherently bad
lm28469•37m ago
They said it'll be good enough in two weeks, give them some time!
XCSme•24m ago
Which year was that?
wilkystyle•15m ago
All of them
lm28469•5m ago
Between when they said VR would be as common as TVs in two years, and before Musk said we'd be on mars in 5 years
largbae•30m ago
They're writing the software to end all softwares!
siva7•19m ago
They're not buying developers, they are buying the whole ecosystem to produce software. Still aligned with their original message.
applfanboysbgon•17m ago
If the product did what it was advertised to do, they could simply build their own ecosystem for producing software and train the model to use it.
siva7•13m ago
Or, they could use a battle-proven existing solution because they can.
applfanboysbgon•10m ago
"Because they can", after spending a bunch of money to acquire an existing solution. I suppose when it's other people's money, there's no problem with burning it by the fistful. Apparently, "because they can" does not extend to building solutions with their own product.
tripledry•7m ago
When someone at work talks about all software devs being replaced I link them to the Anthropic career pages.
KolmogorovComp•1h ago
It's a good news to me considering their open-source nature. If/when they go downhill there will be still the option to fork, and the previous work will still have been funded.

Now for those wondering who would fork and maintain it for free, that is more of a critic of FOSS in general.

huksley•1h ago
UV_DISABLE_AGENT=1 UV_DISABLE_AI_HINTS=1 uv add
WhereIsTheTruth•1h ago
Greed knows no limit

OpenAI is Microslop, so it's the classic EEE, nothing new to see

It's like with systemd now planning to enforce gov. age verification

People will censor you if you dare say something negative on this website

So i guess, wears a clown hat "congrats!"

jedahan•1h ago
great for astral, sucks for uv. was nice to have sane tooling at least for a few years, thanks for the gift.
ziml77•1h ago
I really hope they don't kill off uv or turn it into some way to sell OpenAI services. But I suspect that's exactly what's going to happen :(
butlike•13m ago
I don't know. yarn never really turned into a vehicle to sell Facebook, though you always kind of transiently knew it was FB that offered it. I imagine that sort of transient advertising is it's own value, too.
pennomi•29m ago
Time for the PSF to consider something inspired by uv as a native solution.
FergusArgyll•1h ago
Hn's favorite company meets hn's most hated company.

Hilarity in the comments will ensue

incognito124•1h ago
Thank you n-gate
Imustaskforhelp•1h ago
Genuinely. UV is so awesome and OpenAI is so meh.

I am not even sure how to feel about this news but feel a bit disappointed as a user even if I might be happy for the devs that they got money for such project but man, I would've hoped any decent company could've bought them out rather than OpenAI of all things.

Maybe OpenAI wants to buy these loved companies to lessen some of the hate but what its doing is lessening the love that we gave to corporations like astral/uv sadly, which is really sad because uv is/(was?) so cool but now we don't know where this tool might be headed next given its in the hands of literally OpenAI :(

999900000999•1h ago
Congrats!

This of course means more VC funding for FOSS tools since a successful exit is a positive signal.

baq•1h ago
Funding is as good as gone until the Iran mess is over.
bogwog•1h ago
> a successful exit is a positive signal

This is peak finance brainrot. In no scenario is abandoning ship a positive signal, even if you managed to pocket some valuables on the way out.

Let's stop celebrating dysfunctional business models and consolidation of the industry around finance bros who give zero fucks about said industry.

afavour•1h ago
And so, more core functionality developers depend on becomes dependent on a continuing stream of billions in VC funding. What could go wrong?
philipallstar•1h ago
The funding for the PSF goes into social activism, so private companies have to step up and fill the tooling gap.
hollow-moe•1h ago
rip uv
holografix•1h ago
Solid move by Altman - good signal they’re serious about capturing the Claude Code market from Anthropic.

What I don’t understand is why hasn’t anyone bought Jetbrains yet.

Atlassian? AWS? Google?

hirako2000•1h ago
Because Jetbrain strategy wasn't to burn money with free tools to eventually exit with the jackpot. They have been profitable for over a decade, simply asking users to pay a fair price for great product.
user34283•1h ago
Atlassian? Bitbucket as a platform for agentic development.. shudder
KeplerBoy•1h ago
Most likely because Jetbrains is not for sale. Google almost certainly offered to buy at some point.
amterp•1h ago
Happy for the devs, they deserve the presumably massive payout for the amount of value they’ve brought to the Python community.
pjmlp•1h ago
Great that I keep using traditional Python tools.
throwa356262•1h ago
"Sir, you now have twice as many private jets as Dario"

"But he owns a tooling company. WHY can't I have that? :( :("

sublime_happen•1h ago
these (uv and bun) are not acquihires, they're acqui-rootaccess
AnishLaddha•1h ago
F*CK. take everything from me why dontcha?
noodletheworld•1h ago
I really love uv.

Its always hard to really trust these corporate funded open source products, but they've honestly been great.

…but I find it difficult to believe openai owning the corner stone of the python tooling ecosystem is good thing for the python ecosystem.

There is no question openai will start selling/bundling codex (and codex subscriptions) with uv.

I dont think I want my package manger doing that.

bethekidyouwant•1h ago
“There is no question openai will start selling/bundling codex (and codex subscriptions) with uv.” What does that even mean?
NiloCK•1h ago
A concern:

More and more plainly, OpenAI and Anthropic are making plays to own (and lease) the "means of production" in software. OK - I'm a pretty happy renter right now.

As they gobble up previously open software stacks, how viable is it that these stacks remain open? It seems perfectly sensible to me that these providers and their users alike have an interest in further centralizing the dev lifecycle - eg, if Claude-Code or Codex are interfaces to cloud devenvs, then the models can get faster feedback cycles against build / test / etc tooling.

But when the tooling authors are employees of one provider or another, you can bet that those providers will be at least a few versions ahead of the public releases of those build tools, and will enjoy local economies of scale in their pipelines that may not be public at all.

rTX5CMRXIfFG•1h ago
If it ever goes bad, well I hope that that’s an impetus for new open source projects to be started — and with improvements over and lessons learned from incumbent technologies, right at the v1 of said projects.
Maxion•1h ago
If LLMs turn out to be such a force multiplier, the way to fight it is to ensure that there are open source LLMs.
runarberg•1h ago
That would be accepting the framing of your class enemy, there is no reason to do that.
metalliqaz•1h ago
unless they are also pirate LLMs, I don't see how any open source project could have pockets deep enough for the datacenters needed to seriously contend
fnordpiglet•1h ago
The problem is even if an OSS had the resources (massive data centers the size of NYC packed with top end custom GPU kits) to produce the weights, you need enormous VRAM laden farms of GPUs to do inference on a model like Opus 4.6. Unless the very math of frontier LLMs changes, don’t expect frontier OSS on par to be practical.
palmotea•51m ago
> you need enormous VRAM laden farms of GPUs to do inference on a model like Opus 4.6.

It's probably a trade secret, but what's the actual per-user resource requirement to run the model?

captainbland•55m ago
I think the issue is that LLMs are a cash problem as much as they are a technical problem. Consumer hardware architectures are still pretty unfriendly to running models which are actually competitive to useful models so if you want to even do inference on a model that's going to reliably give you decent results you're basically in enterprise territory. Unless you want to do it really slowly.

The issue that I see is that Nvidia etc. are incentivised to perpetuate that so the open source community gets the table scraps of distills, fine-tunes etc.

butlike•30m ago
You got me thinking that what's going to happen is some GPU maker is going to offer a subsidized GPU (or RAM stick, or ...whatever) if the GPU can do calculations while your computer is idle, not unlike Folding@home. This way, the company can use the distributed fleet of customer computers to do large computations, while the customer gets a reasonably priced GPU again.
hot_iron_dust•1h ago
What would the new open source projects do differently from the "old" ones? I don't think you can forbid model training on your code if your project is open source.
bix6•1h ago
If it goes bad? It’s too late by that point. And how is open source going to compete with billions of investment dollars?
darth_avocado•1h ago
If AI tools are as good as the CEOs claim, we should have no friction towards building multiple open source alternatives very quickly. Unless of course, they aren’t as good as they are being sold as, in which case, we have nothing to worry about.
cube2222•1h ago
Honestly, for now they seem to be buying companies built around Open Source projects which otherwise didn't really have a good story to pay for their development long-term anyway. And it seems like the primary reason is just expertise and tooling for building their CLI tools.

As long as they keep the original projects maintained and those aren't just acqui-hires, I think this is almost as good as we can hope for.

(thinking mainly about Bun here as the other one)

bix6•1h ago
And how likely is that?

Once you’re acquired you have to do what the boss says. That means prioritizing your work to benefit the company. That is often not compatible with true open source.

How frequently do acquired projects seriously maintain their independence? That is rare. They may have more resources but they also have obligations.

And this doesn’t even touch on the whole commodification and box out strategy that so many tech giants have employed.

volkercraig•1h ago
It's not any different from the launch of the FSF. There's a simple solution. If you don't want your lunch eaten by a private equity firm, make sure whatever tool you use is GPL licensed.
palmotea•53m ago
> If you don't want your lunch eaten by a private equity firm, make sure whatever tool you use is GPL licensed.

1. For the record: the GPL is entirely dependent on copyright.

2. If AI "clean-room" re-implementations are allow to bypass copyright/licenses, the GPL won't protect you.

islandfox100•36m ago
Maybe I'm reading wrong here, but what's the implication of the clean room re-implementations? Someone else is cloning with a changed license, but if I'm still on the GPL licensed tool, how am I "not protected"?
eru•33m ago
There's basically no different between GPL and BSD in that case.
darkwater•9m ago
1. Company A develops Project One as GPLv3

2. BigCo bus Company A

3a. usually here BigCo should continue to develop Project One as GPLv3, or stop working on it and the community would fork and it and continue working on it as GPLv3

3b. BigCo does a "clean-room" reimplementation of Project One and releases it under proprietary licence. Community can still fork the older version and work on it, but BigCo can continue to develop and sell their "original" version.

goku12•34m ago
> If AI "clean-room" re-implementations are allow to bypass copyright/licenses, the GPL won't protect you.

Isn't that the same for the obligations under BSD/MIT/Apache? The problem they're trying to address is a different one from the problem of AI copyright washing. It's fair to avoid introducing additional problems while debunking another point.

petcat•49m ago
The biggest scam the mega-clouds and the Githubs ever pulled was convincing open source developers that the GPL was somehow out of vogue and BSD/MIT/Apache was better.

All so they could just vacuum it all up and resell it with impunity.

leetrout•39m ago
I remember a somewhat prominent dev in the DC area putting on Twitter around 2012 or so something like "I do plenty of open source coding and I don't put a fucking license on it" and it stuck with me for all these years that it was a weird stance to take.
skeeter2020•30m ago
John Carmack said that about a week ago.
kjksf•33m ago
I don't remember GitHub or Amazon advocating MIT over GPL.

Feel free to prove me wrong by pointing out this massive amount of advocacy from "mega-clouds" that changed people's minds.

The ads, the mailing list posts, social media comments. Anything at all you can trace to "mega-clouds" execs.

colesantiago•11m ago
https://choosealicense.com/

https://choosealicense.com/about/

> "GitHub wants to help developers choose an open source license for their source code."

This was built by GitHub Inc a very very long time ago.

eru•32m ago
Huh? When you deploy something in the cloud, you don't have to share your GPL'ed stuff either. Google doesn't.
throwaway63467•1h ago
It’s a small tool shop building a tiny part of the Python ecosystem, let’s not overstate their importance. They burned through their VC money and needed an exit and CLI tool chains are hyped now for LLMs, but this mostly sounds like an acquihire to me. Dev tools are among the hardest things to monetize with very few real winners, so good for them to get a good exit.
druml•54m ago
Small tool shop, burning VC money, true. "Tiny part of the Python ecosystem" is an understatement given how much impact uv has made alone.
Hamuko•53m ago
Do you have any statistics for that?
pm90•50m ago
anecdotally every place ive worked at has switched over and never looked back.
shawnwall•36m ago
been in the python game a long time and i've seen so many tools in this space come and go over the years. i still rely on good ol pip and have had no issues. that said, we utilize mypy and ruff, and have moved to pyproject etc to remotely keep up with the times.
jitl•10m ago
uv solved it, it will be the only tool people use in 2 more years. if you’re a python shop / expert then you can do pip etc but uv turned incidental python + deps from a huge PITA for the rest of us, to It Just Works simplicity on the same level or better than Golang.
1718627440•8m ago
I don't want software on my computer, that just downloads and installs random stuff. This is the job of the OS in particular the package manager.
_moof•14m ago
Same. It's game-changing - leaps and bounds above every previous attempt to make Python's packaging, dependency management, and dev workflow easy. I don't know anyone who has tried uv and not immediately thrown every other tool out the window.
jengland•27m ago
uv has almost 2x the number of monthly downloads Poetry has.

- https://pypistats.org/packages/poetry - https://pypistats.org/packages/uv

In the 2024 Python developer survey, 18% of the ecosystem used Poetry. When I opened this manifold question[0], I'm pretty sure uv was about half of Poetry downloads.

Estimating from these numbers, probably about 30% of the ecosystem is using `uv` now. We'll get better numbers when the 2025 Python developer survey is published.

Also see this: https://biggo.com/news/202510140723_uv-overtakes-pip-in-ci-u...

[0]: https://manifold.markets/JeremiahEngland/will-uv-surpass-poe...

rob•35m ago
Just a tiny project with over 100 million downloads every month, over 4 million every day. No big deal. Just a small shop, don't overstate its importance.

https://pypistats.org/packages/uv

throwaw12•4m ago
uv and ruff is not tiny part anymore, its growing fast
AndrewKemendo•52m ago
Explain to me how this is any different than Microsoft, Blackrock, Google, Oracle, Berkshire or any other giant company acquiring their way to market share?
TrackerFF•47m ago
But how does this work out in the long run, in the case of AGI?

If AGI becomes available, especially at the local and open-source level, shouldn't all these be democratized - meaning that the AGI can simply roll out the tooling you need.

After all, AGI is what all these companies are chasing.

butlike•29m ago
Let us assume AGI never comes. I don't plan scenarios for when aliens land, why should I for AGI? It's not particularly close.
butlike•47m ago
If it becomes too antagonistic, people will change. The desire to build things is larger than any given iron fist du jour. Just ask Oracle or IBM.
goku12•24m ago
Could you say the same about the Chrome browser? Google is using it to EEE the web (Embrace, Extend and Extend it till it's a monstrosity that nobody else can manage). That's pretty antagonistic. But did people change?
overflowy•1h ago
Related discussion: https://news.ycombinator.com/item?id=47438716
kkirsche•1h ago
Happy for the team, sad for users. I just don’t believe their work will continue under new ownership
time0ut•1h ago
I love uv and the other tooling Astral has built. It really helped reinvigorate my love for Python over the last year.

Something like this was always inevitable. I just hope it doesn’t ruin a good thing.

nusl•1h ago
I am actually quite saddened by this. It's very unlikely that' I'll keep using uv, now. I don't trust this kind of shit.
prodigycorp•1h ago
Codex team now has the legends who created Pyright and UV/Ruff/Ty.
hmokiguess•1h ago
Mixed feelings, happy for the guy, he deserves it. Unhappy about whom he went with, though not sure if he had other buyers / offers in the mix?
Hamuko•1h ago
So, any good alternatives to uv?
ragebol•1h ago
pixi? https://pixi.prefix.dev/latest/

Have not tried it too much yet because I was pretty content with `uv`, but I've heard lots of good things about it

Zizizizz•16m ago
Pretty sure that uses UV to do it's magic
jjice•1h ago
Not who I would've liked to acquire Astral. As long as OpenAI doesn't force bad decisions on to Astral too hard, I'm very happy for the Astral team. They've been making some of the best Python tooling that has made the ecosystem so much better IME.
smallpipe•1h ago
If Codex’s core quality is anything to go by, it’s time to create a community fork of UV
pronik•30m ago
Maybe they are being acquired to improve the quality of Codex.
lern_too_spel•34m ago
The priorities of the tooling will change to help agents instead of human users directly. That's all that's happening.
supriyo-biswas•13m ago
Eh, if it turns out to be too bad I guess I’ll just end up switching back to pipenv, which is the closest thing to uv (especially due to the automatic Python version management, but not as fast).
Tyrubias•1h ago
I think it’s impossible to predict what will happen with this new trend of “large AI company acquires company making popular open source project”. The pessimist in me says that these products will either be enshittified over time, killed when the bubble bursts, or both. The pragmatist in me hopes that no matter what happens, uv and ruff will survive just like how many OSS projects have been forked or spun out of big companies. The optimist in me hopes that the extra money will push them to even greater heights, but the pessimist and the pragmatist beat the optimist to death a long time ago.
renewiltord•1h ago
It’s open source. If you want it to go in a different direction fork it and take it in that direction. Instead of the optimist, the pessimist, and the pragmatist the guy you need is the chap who does some work.
acedTrex•1h ago
damn it, another one bites the dust sadly
bobajeff•1h ago
This might not be bad as long as Astral is allowed to continue to work on improving ty, uv and ruff. I do worry about they'll get distracted by their Codex job duties though.
cess11•1h ago
If I were to engage in Python development, what's the alternative to uv?
umren•1h ago
no real alternative
bikelang•1h ago
Poetry was the best alt-package manager before uv came along. That said - uv completely outclassed it.
duskdozer•1h ago
What are you having an issue with? Environments? pyenv. Dependency management? pip+requirements.
japhyr•1h ago
This has me thinking about VS Code and VS Codium. I've used VS Code for a while now, but recently grew annoyed at the increasingly prevalent prompts to subscribe to various Microsoft AI tools. I know you can make them go away, but if you bounce between different systems, and particularly deal with installing VS Code on a regular basis, it becomes annoying.

I started using VS Codium, and it feels like using VS Code before the AI hype era. I wonder if we're going to see a commercial version of uv bloated with the things OpenAI wants us all to use, and a community version that's more like the uv we're using right now.

Imustaskforhelp•1h ago
I really loved uv, I am happy for the developers at astral but I am sad as a user seeing this :(

Any good alternatives to uv/plans for community fork of uv?

ragebol•1h ago
Not often that I audibly groan at a HN headline :-(
alex_suzuki•1h ago
Same here. I’ve adopted uv across all of my Python projects and couldn’t be happier. ty looks very promising as well.

Probably inevitable, and I don’t blame the team, I just wish it were someone else.

ragebol•1h ago
Ty, Ruff, UV, all great tools I recently started really using and I couldn't be happier with them.

Sigh

krick•10m ago
I think, it may be the first time I am actually upset by acquire announcement. I am usually like "well, it is what it is", but this time it just feels like betrayal.
articsputnik•1h ago
to be expected at some point, but for the independence and best interest of the Python ecosystem, I don't think it's a plus.
JoshTriplett•1h ago
Welp. I used to respect Astral. I hope someone responsible forks their Python tooling and maintains it. Ideally a foundation rather than a company.
krick•5m ago
Yeah, well, the fact is that every person who ever touches Python needed uv, but only Astral folks created it. So, nope, there's no one capable of filling the void, just accept that it's fucked now. The best die first.
petercooper•1h ago
I feel some "commoditize your complements" (Spolsky) vibes hearing about these acquisitions. Or, potentially, "control your complements"?

If you find your popular, expensive tool leans heavily upon third party tools, it doesn't seem a crazy idea to purchase them for peanuts (compared to your overall worth) to both optimize your tool to use them better and, maybe, reduce the efficacy of how your competitors use them (like changing the API over time, controlling the feature roadmap, etc.) Or maybe I'm being paranoid :-)

zoobab•1h ago
Undisclosed amount?
ddxv•1h ago
This is why I still like to setup projects and environments with my own `make` `venv` and `pip`.
CuriouslyC•1h ago
The Bun acquisition made a little sense, Boris wanted Daddy Jarred to come clean up his mess, and Jarred is 100% able to deliver.

This doesn't make as much sense. OpenAI has a better low level engineering team and they don't have a hot mess with traction like Anthropic did. This seems more about acquiring people with dev ergonomics vision to push product direction, which I don't see being a huge win.

morphology•1h ago
They do have a hot mess with traction amongst developers. Codex is far behind Claude Code (in both the GUI and TUI forms), and OpenAI's chief of applications recently announced a pivot to focus more on "productivity" (i.e. software and enterprise verticals) because B2B yields a lot more revenue than B2C.
cute_boi•35m ago
Honestly, I like codex performance compared to claude code.
cozzyd•1h ago
This will solve the problem of when the package you want to install doesn't exist yet.
clickety_clack•1h ago
I don’t know who I would’ve like to see but them, but OpenAI is not it. Sad day for uv, ruff and ty users.
h1fra•1h ago
what happen when openai goes brankrupt?
tgtweak•1h ago
Amusing that the best python tools are written entirely in rust.
ChrisArchitect•1h ago
Associated OpenAI post: https://openai.com/index/openai-to-acquire-astral/ (https://news.ycombinator.com/item?id=47438716)
petterroea•1h ago
How does this make sense
wrqvrwvq•1h ago
So instead of finally building an enterprise-grade package manager where you could pay for validated, verified and secure packages, we're going to vibe project management and let a slop-spiggot fill the trough. Brilliant. Incredibly pleased that the last sane tools in the entire python ecosystem are getting gutted to discourage the last few non-braindead devs from bothering.
duskdozer•1h ago
Not surprised at all on this. I've been really suspicious about how hard `uv` was being pushed in 24/25.
zemo•1h ago
"was being pushed" ... by whom? I think there's widespread grassroots support for it because it's a good tool.
moregrist•53m ago
I think the push has been entirely organic. Compared to existing tooling, uv is fantastically fast.

One of the bigger pain points I’ve faced in Python is dependency resolution. conda could take 30-60 minutes in some cases. uv took seconds.

A serious quality of life improvement.

a_t48•39m ago
Hey now, I was a completely organic shill! I worked for free!
yoyohello13•18m ago
uv and ruff are incredible tools for python development, and I've loved my time using ty. This acquisition is absolutely terrible.
maltelau•1h ago
Wtf!? Is this an early April's fools? I've been recommending astral tools left and right, Looks like I'm out a good chunk of social capital on that.

Who's organizing a fork, or is python back to having only shitty packaging available? :(

the__alchemist•53m ago
I can get pyflow back to a maintained state and iron out the bugs if that would help. It's the same concept as uv, just kind of buggy and I haven't touched it in 6 years.
kseniamorph•1h ago
i feel like moves like this make it even harder for new open-source tools to break through. there's already evidence that LLMs are biased toward established tools in their training data (you can check it here https://amplifying.ai/research/claude-code-picks). when a dominant player acquires the most popular toolchain in an ecosystem, that bias only deepens. not because of any skewing, but because the acquired tools get more usage, more documentation, more community content. getting a new project into model weights at meaningful scale is already really hard. acquisitions like this make it even harder.
fortuitous-frog•20m ago
I'm also concerned about this, but I feel as though uv and ruff's explosive growth happening alongside and despite that of LLMs demonstrates that it's not a show-stopper. I vividly recall LLM coding agents defaulting to pip/poetry and black/flake8, etc. for new projects. It still does that to some extent, but I see them using uv and ruff by default -- without any steering from me -- with far greater frequency.

Perhaps it's naive optimism, but I generally have hope that new and improved tools will continue to gain adoption and shine through in the training data, especially as post-training and continual learning improve.

merrvk•1h ago
Who advises on these acquisitions?

Or are they just using a dartboard?

Fervicus•1h ago
I (along with many others) always thought that Astral being VC backed is going to lead to a future disappointment for the community.
duskdozer•50m ago
I don't understand how anyone is surprised at this point. VC project trying to build a brand just isn't going to lead to some utopic community.
am17an•1h ago
Welp, back to pip
Patt_•58m ago
Whoa, So Sam and Drio are just gonna buy out every popular open source projects now?
isodev•53m ago
And this is why we don't use tools by VC funded corps.
natemcintosh•48m ago
Personally, I'd expect a few good years of stewardship, and then a decline in investment. I can only hope there are enough community members to keep things going by then.
drcongo•45m ago
This is the worst possible news. Fantastic team at Astral joining a bunch of scumbag scammers at "Open"AI.
cesarvarela•38m ago
So vite.dev is next.
skeledrew•31m ago
After investing a bunch in converting my projects to, and evangelizing uv, I feel betrayed. I smell stability troubles ahead. Should've stuck to Conda.
opyate•27m ago
This is your friendly PSA that pip-tools still exist.

https://github.com/jazzband/pip-tools

opyate•25m ago
goddammit

https://jazzband.co/news/2026/03/14/sunsetting-jazzband

Ridius•23m ago
Ah but that's not a shiny new tool I can add to my cv /s
__mharrison__•24m ago
Interesting acquihire. I would have assumed MS would have snagged them (until their __layoffs__ last year). My gut is that this is more for Python expertise, and ruff/ty knowledge of linting code than uv...

I'm a heavy user and instructor of uv. I'm teaching a course next week that features uv and rough (as does my recent Effective Testing book).

Interesting to read the comments about looking for a change. Honestly, uv is so much better than anything else in the Python community right now. We've used projects sponsored by Meta (and other questionable companies) in the past. I'm going to continue enjoying uv while I can.

yoyohello13•23m ago
Oh no! This is actually terrible. Get ready for "premium tooling only available in Codex(TM)".
emddudley•22m ago
Well shit, I feel betrayed. This is exactly the opposite of what I thought Charlie's goals were. I thought he was focused on making the Python ecosystem better.
brooke2k•20m ago
nooooooooooooooo god why. I loved uv. just why
nrvn•20m ago
Should I freeze my plans to migrate from `poetry` to `uv` at "${WORK}"?
butlike•10m ago
Sure, why not
Fiveplus•20m ago
The "commitment to open source" line in these press releases usually has a half-life of about 18 months before the telemetry starts getting invasive.
keithluu•18m ago
Why do I feel uneasy about this?
gethwhunter34•14m ago
the comments here are better than the article lol
gessha•13m ago
I see people in this thread complain about the acquisition but the source code of uv is right there [1]. Fork it and move on. If ClosedAI enshittifies uv, gather with a bunch of other people and prop up a new version.

[1] https://github.com/astral-sh/uv

fortuitous-frog•12m ago
While I -- like most other commenters -- am dubious of both OpenAI and this acquisition, I think it's pretty reasonable to wait to see how this turns out before rushing to final judgment.

Everything I've seen from Astral and Charlie indicates they're brilliant, caring, and overall reasonable folks. I think it's unfair to jump to call them sell-outs and cast uv and the rest as doomed projects.

yoyohello13•9m ago
We always "wait and see" and it always turns out terrible. Even if the original founders stay on, eventually they will get pushed out when their morals conflict with company goals. Wont happen overnight, but uv will enshitify eventually.
mark_l_watson•11m ago
I am very unhappy about this. Astral tools like uv are key to my work/experimenting process. I think OpenAI sucks as a company.

That said, I hope the excellent Astral team got. good payday.

fithisux•8m ago
Astral to Join OpenAI (astral.sh) OpenAI to Acquire Astral(https://openai.com/index/openai-to-acquire-astral/)

what can I say?

pgwalsh•7m ago
UV, Ruff, and Ty are all very good things, hopefully that doesn't change and gets better.
nnevatie•7m ago
> I am so excited to keep building with you.

Fixed: I am so excited to take these millions of dollars.

seanplusplus•6m ago
I'm into this.

Anthropic acquiring Bun, now OpenAI acquiring Astral. Both show the big labs recognize that great AI coding tools require great developer tooling, and they are willing to pay for it rather than build inferior alternatives. Good outcome for the teams.

Not exactly a great look for the "AGI is right around the corner" crowd — if the labs had it, they would not need to buy software from humans.

saxwick•5m ago
Btw astral repo has Claude as one of its top contributors

Astral to Join OpenAI

https://astral.sh/blog/openai
463•ibraheemdev•2h ago•240 comments

OpenBSD: PF queues break the 4 Gbps barrier

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Afroman found not liable in defamation case

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Afroman Wins Civil Trial over Use of Police Raid Footage in His Music Videos

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OpenAI to Acquire Astral

https://openai.com/index/openai-to-acquire-astral/
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https://lemire.me/blog/2026/03/18/how-many-branches-can-your-cpu-predict/
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Austin’s surge of new housing construction drove down rents

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The next fight over the use of facial recognition could be in the supermarkets

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Wander – A tiny, decentralised tool to explore the small web

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