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Claude Code on the Web

https://www.anthropic.com/news/claude-code-on-the-web
149•adocomplete•2h ago

Comments

minimaxir•2h ago
I like how in the demo video there's a squiggle emphasis on Claude's "Good Idea!" in response to a user clarification, when it's more common among vibe coders that that less glazing is better and they just want the LLM to write code.
Redster•2h ago
Here's the link talking about the sandbox environment and features they're using for this Claude Code. https://www.anthropic.com/engineering/claude-code-sandboxing
jryio•1h ago
Pair programming is still one of the best ways to knowledge transfer between two programmers in a high throughput manner. Humans learn by doing, building synaptic connections.

I wonder if a shared Claude Code instance has the same effect?

dingnuts•1h ago
The person driving is the one that learns the most in pair programming. In the scenario you've described, that would be Claude. LLMs don't learn.

Doesn't CC sometimes take twenty, thirty minutes to return an attempt? I wouldn't know, because I'm not rich and my employer has decided CC is too expensive, but I wonder what you would do with your pair programming partner while you wait.

The bosses would like to think we'd start working on something else, maybe start up a different Claude instance, but can you really change contexts and back before the first one is done? You AND your partner?

Nah, just go play air hockey until your boss realizes Claude is what they need, not you.

mr_mitm•1h ago
Just for the record, CC is about the cost of a Netflix subscription, and it responds faster than any human can.
astrange•1h ago
You can get plenty of CC on a $20/month plan.
myko•1h ago
> Nah, just go play air hockey until your boss realizes Claude is what they need, not you.

This is a depressing comment.

I am apprehensive about the future of software development in this milieu. I've pumped out a ~15,000 line application heavily utilizing Claude Code over a few days that seems to work, but I don't know how much to trust it.

Certainly part of the fun of building something was missing during that project, but it was still fun to see something new come to life.

Maybe I should say I am cautiously optimistic but also concerned: I don't feel confident in the best ways to use these tools to build good software, and I'm not sure exactly what skills are useful in order to get them there.

charlesabarnes•1h ago
It's pretty frustrating that every release is IOS first without any timeline or expectation for Android
outime•1h ago
This may explain it: https://9to5mac.com/2023/09/06/iphone-users-spend-apps/
poly2it•45m ago
It is also relevant to know if a user who'd otherwise use app X on iOS would use X less on Android.
pjmlp•1h ago
It is basically a US centric view of mobile OS market share.
aaronbrethorst•1h ago
Anthropic is a US-based company.
OJFord•1h ago
With a global market and extant user base.
pjmlp•1h ago
Some companies would rather have a more international user base.

https://gs.statcounter.com/os-market-share/mobile/worldwide

So maybe they rather please the home market, I guess.

bahmboo•1h ago
Anthropic and Apple have a strategic partnership. It's a bit dicey but still seems to be in play. Which is interesting considering Google is a major investor and Apple is not. Anthropic wants Apple as a paying customer. Apple wants them to bend the knee.
lvl155•34m ago
Apple also has relationship with OAI. They’re not preferential.
alwillis•1h ago
Not unusual; most high profile apps ship on iOS first, going back to Instagram [1], which was released October 10, 2010. Instagram shipped their Android version 1.5 years later.

[1]: https://www.techtarget.com/searchcio/definition/Instagram

spondyl•42m ago
Another, not incompatible explanation is that it's also just easier to develop for a handful of known iOS/iPadOS targets compared to Android's unbounded set of screen sizes and device specs.
wahnfrieden•31m ago
If your app runs on iPadOS, you already need to support every "screen size" (window size)

Android is simply a much worse platform to make money on. Users spend <25% as much as iOS users. Why would they prioritize that?

wahnfrieden•1h ago
Android is a tiny market
OJFord•1h ago
You probably mean 'in the US', where iOS is 58%. Android has a 71% global market share.
wahnfrieden•1h ago
No. Why do user counts matter? High user count but with >4x thriftiness / aversion to spending is not an attractive market over iOS.

Globally in dollars spent, not human heads. iOS is over 2x larger than Android globally, and the gap is widening year over year.

iOS spending growth outpaces Android, which even shrunk during covid while iOS spending continued to grow

https://api.backlinko.com/app/uploads/2024/03/iphone-vs-andr...

Anthropic makes money off product sales, not ad revenue, so wallets count more than eyes for this. Free users who are less than 25% as likely to spend are a burden not to be prioritized for a product business with free tier access. They need to spend much more to get a paying user on Android.

If Android were the bigger market, they'd prioritize it

richardw•35m ago
It’s much harder dealing with all the complexities of different devices, screen sizes, OS versions.

https://www.reddit.com/r/applesucks/comments/1k6m2fi/why_do_...

brynary•1h ago
The most interesting parts of this to me are somewhat buried:

- Claude Code has been added to iOS

- Claude Code on the Web allows for seamless switching to Claude Code CLI

- They have open sourced an OS-native sandboxing system which limits file system and network access _without_ needing containers

However, I find the emphasis on limiting the outbound network access somewhat puzzling because the allowlists invariably include domains like gist.github.com and dozens of others which act effectively as public CMS’es and would still permit exfiltration with just a bit of extra effort.

minimaxir•1h ago
Link to the GitHub for the native sandboxing: https://github.com/anthropic-experimental/sandbox-runtime
navanchauhan•26m ago
I used `sandbox-exec` previously before moving to a better solution (done right, sandboxing on macOS can be more powerful than Linux imo). The way `sandbox-exec` works is that all child processes inherit the same restrictions. For example, if you run `sandbox-exec $rules claude --dangerously-skip-permissions`, any commands executed by Claude through a shell will also be bound by those same rules. Since the sandbox settings are applied globally, you currently can’t grant or deny granular read/write permissions to specific tools.

Using a proxy through the `HTTP_PROXY` or `HTTPS_PROXY` environment variables has its own issues. It relies on the application respecting those variables—if it doesn’t, the connection will simply fail. Sure, in this case since all other network connection requests are dropped you are somewhat protected but then an application that doesn't respect them will just not work

You can also have some fun with `DYLD_INSERT_LIBRARIES`, but that often requires creating shims to make it work with codesigned binaries

fragmede•47m ago
Exfiltration is always going to be possible, the question is, is it difficult enough for an attacker to succeed against the defenses I've put in place. The problem is, I really want to share, and help protect others, but if I write it up somewhere anybody can read, it's gonna end up in the training data.
jannniii•1h ago
I’m wondering if it would be possible to use the new skills feature or agents with this. Without the agents or the skills, I don’t know how useful this would be.
simonw•39m ago
It's running Claude Code CLI on a container for you, so skills should just work. I've not tried them myself yet though.
ea016•1h ago
No relations to them, but I've started using Happy[0]'s iOS app to start and continue Claude Code sessions on my iPhone. It allows me to run sessions on a custom environment, like a machine with a GPU to train models

[0] https://github.com/slopus/happy/

hmokiguess•43m ago
This seems to be the only solution still if using bedrock or direct API access instead of Pro / Max plan, the Claude Code for Web doesn't seem to let you use it that way.
mkummer•1h ago
Is the web interface open sourced anywhere? Looks great, excited to try it out
ubj•1h ago
Very curious to see what usage limits are like for paid plans. Anthropic was already experiencing issues with high-volume model usage for Pro and Max users. I hope their infrastructure is able to adequately support running these additional coding environments on top of model inference.

Just to be clear, I'm excited for the capability to use Claude Code entirely within the browser. However, I've heard reports of Max users experiencing throttled usage limits in recent months, and am concerned as to whether this will exacerbate that issue or not.

CharlesW•1h ago
Anecdotally, as a Max user typically using Claude Code for >8 hours/day, I've never experienced that. That said, I'm not one of those people using Opus for everything, and in fact I've been happy using Sonnet 4.5 even for planning.
minimaxir•1h ago
I suspect the release of Claude Haiku 4.5 was done to help reduce usage costs for Anthropic and any use of Claude Code will differ to it if capacity is limited.

EDIT: I had meant defer which is the first time I've made a /r/boneappletea in awhile

chrisweekly•51m ago
"differ"? did you mean "default"?
scubbo•37m ago
I imagine "defer"
cube2222•1h ago
This is quite nice!

I'm using Claude Code locally a lot, occasionally with a couple parallel session.

I was very happy when they made the GitHub Action - I used it quite a bit, but in practice I got frustrated that I effectively only get a single back-and-forth out of it, I can't really "continue the conversation without losing context" - Sure, I can respond to it in the PR it makes, but that will be a fresh session with a fresh empty context.

So, as much as I don't like moving out of my standard development workflow with my tools, I think this could be quite useful. The ability to interrupt and/or continue a conversation should be very nice.

My main worry is - usually my unit tests and integration tests rely on a postgres database running on the machine, and it's not obvious to me if I can spin that up here?

anon3459•1h ago
Use pglite
radial_symmetry•58m ago
Check out Crystal if you want a good tool for managing parallel sessions locally https://github.com/stravu/crystal
GreekPete•43m ago
https://docs.github.com/en/actions/tutorials/use-containeriz...
cube2222•14m ago
I'm not sure how this applies? We're talking about the "Claude Code on the Web" custom sandbox, not running Claude Code in GitHub Actions.
JudoJJ•1h ago
This is kind of nice, as much as I love a good TUI, sometimes text editing in claude code can trip me up compared to a web GUI
fny•58m ago
I've been using Happy Coder[0] for some time now on web and mobile. I run it `--yolo` mode on an isolated VM across multiple projects.

With Happy, I managed to turn one of these Claude Code instances into a replacement for Claude that has all the MCP goodness I could ever want and more.

[0]: https://happy.engineering/

ShipEveryWeek•55m ago
This looks nice! I’ve been using terminus + tailscale to get similar results, but I’ll give this a go
lvl155•53m ago
I am not a big fan of these. They’re trying to bundle compute and jack up the prices down the road.
simonw•51m ago
I had a preview of this over the weekend, notes here plus some example PRs: https://simonwillison.net/2025/Oct/20/claude-code-for-web/

It's really solid. It's effectively a web (and native mobile) UI over Claude Code CLI, more specifically "claude --dangerously-skip-permissions".

Anthropic have recognized that Claude Code where you don't have to approve every step is massively more productive and interesting than the default, so it's worth investing a lot of resources in sandboxing.

extr•23m ago
It’s interesting because I’ve slowly arrived at the opposite conclusion: for much of my practical day to day work, using CC with “allow edits” turned OFF results in a much better end product. I can correct it inline, I pseudo-review the code as it’s produced, etc etc. Codex is better for “fire and forget” features for sure. But Claude remains excellent at grokking intent for problems where you aren’t quite sure what you want to build yet or are highly opinionated. Mostly due to the fact it’s faster and the iteration loop is faster.
jngiam1•51m ago
I got so used to having Claude Code read some of my MCP tools, and was bummed to see that it couldn't connect to them yet on the web.

Pretty cool though! Will need to use it for some more isolated work/code edits. Claude Code is now my workhorse for a ton of stuff including non-coding work (esp. with the right MCPs)

Stevvo•51m ago
Guess they couldn't name it "Claude Codex"
mmaunder•49m ago
We were heavy users of Claude Code ($70K+ spend per year) and have almost completely switched to codex CLI. I'm doing massive lifts with it on software that would never before have been feasible for me personally, or any team I've ever run. I'll use Claude Code maybe once every two weeks as a second set of eyes to inspect code and document a bug, with mixed success. But my experience has been that initially Claude Code was amazing and a "just take my frikkin money" product. Then Codex overtook CC and is much better at longer runs on hard problems. I've seen Claude Code literally just give up on a hard problem and tell me to buy something off the shelf. Whereas Codex's ability to profoundly increase the capabilities of a software org is a secret that's slowly getting out.

I don't have any relationship with any AI company, and honestly I was rooting for Anthropic, but Codex CLI is just way way better.

Also Codex CLI is cheaper than Claude Code.

I think Anthropic are going to have to somehow leapfrog OpenAI to regain the position they were in around June of this year. But right now they're being handed their hat.

maherbeg•44m ago
Yeah this has been my experience as well. The Claude Code UI is still so much better, and the permissioning policy system is much better. Though I'm working on closing that gap by writing a custom policy https://github.com/openai/codex/blob/main/codex-rs/execpolic...

Kinda sick of Codex asking for approval to run tests for each test instance

rtfeldman•38m ago
You don't have to use Codex in its terminal UI - e.g. you can use it in the Zed IDE out-the-box:

https://zed.dev/blog/codex-is-live-in-zed

durron•44m ago
Do you find this to still be true with the Sonnet 4.5 model?
esafak•33m ago
I don't. Sonnet is faster too.
extr•20m ago
IMO Sonnet 4.5 is great but it just isn’t as comprehensive of a thinker. I love Anthropic and primarily use CC day to day but for any tricky problems or “high stakes, this must not have bugs” issues, I turn to Codex. I do find if you let Codex run on it its own too long it will produce comparably sloppy or lacking-in-vision type issues that people criticize Sonnet for, however.
theshrike79•16m ago
I'm like 80% sure Sonnet 4.5 is just rebranded Opus.

Sonnet 4 was a coding companion, I could see what it was doing and it did what I asked.

Sonnet 4.5 is like Opus, it generates massive amounts of "helper scripts" and "bootstrap scripts" and all kinds of useless markdown documentation files even for the tinies PoC scripts.

mmaunder•4m ago
Yes. Sadly. And it really does make me sad. I was rooting for Anthropic. Still kinda am.
mi_lk•22m ago
What model are you using respectively? Not sure I share your observations
mmaunder•5m ago
Have tried all and continue to eval regularly. I spend up to 14 hours a day. Currently recovering from a herniated disk because I spent 6 weeks sitting at a dining room table, 14 hours a day, leaning foward. Don't do that. lol. So my coverage is pretty good. I'm using GPT5-codex-high for 99% of my work. Also I have a team of 40 folks, about a third of which are software engineers and the other third are cybersecurity analysts, so I get feedback from them too and we go deep on our engineering calls re the latest learnings and capabilities.
bcrosby95•19m ago
Yeah, after correcting it several times I've gotten Claude Code to tell me it didn't have the expertise to work in one of my problem domains. It was kinda surprising but also kinda refreshing that it knew when to give up. For better or worse I haven't noticed similar things with Codex.
mmaunder•8m ago
I've chosen problems with non-negotiable outcomes. In other words, problem domains where you either are able to clearly accomplish the very hard thing, or not, and there's no grey area. I've purposely chosen these kinds of problems to prove what AI agents are capable of, so that there is no debate in my mind. And with Codex I've accomplished the previously impossible. Unambiguously. Codex did this. Claude gave up.

It's as if there are two vendors saying they can give up incredibly superpowers for an affordable price, and only one of them actually delivers the full package. The other vendor's powers only work on Tuesdays, and when you're lucky. With that situation, in an environment as competitive as things currently stand, and given the trajectory we're on, Claude is an absolute non-starter for me. Without question.

cesarvarela•11m ago
Can you share an example of the tasks you found Codex being much better? From my experience Claude Code is much better.
mmaunder•7m ago
I can not. We're all racing very hard to take full advantage of these new capabilities before they go mainstream. And to be honest, sharing problem domains that are particularly attractive would be sharing too much. Go forth and experiment. Have fun with it. You'll figure it out pretty fast. You can read my other post here about the kinds of problem spaces I'm looking at.
mordymoop•4m ago
I'm on the same page here. I have seen this sentiment about Codex suddenly being good a few times now, so I booted Codex CLI thinking-high back up after a break and asked it to look for bugs. It promptly found five bugs that didn't actually exist. It was the kind of truly impressively stupid mistake that I haven't seen Claude Code make essentially ever, and made me wonder if this isn't the sort of thing that's making people downplay the power of LLMs for agentic coding.
lherron•1m ago
Still a toss-up for me which one I use. For deep work Codex (codex-high) is the clear winner, but when you need to knock out something small Claude Code (sonnet) is a workhorse.

Also CC tool usage is so much better! Many, many times I’ve seen Codex writing a python script to edit a file which seems to bypass the diff view so you don’t really know what’s going on.

mrcwinn•47m ago
We’re moving almost entirely to Codex, first because often it’s just better, and second because it’s much cheaper. It’s a bet that they’re better now, but given capacity and funding, they’ll be better later too.

The only edge Claude has is context window, which we do sometimes hit, but I’m sure that gap will close.

esafak•29m ago
You're using the metered API rather than a subscription, right?
shireboy•41m ago
I really want this but for Azure Devops. If you're not familiar, Microsoft owns both Github and Azure Devops, and both do similar: git repos and project management. I can use Github Copilot, Claude Code CLI, etc. against code on my disk, including Azure Devops MCP. But what I can't easily do is like Github Copilot Agent and apparently this Claude Code on Web: Assign a ticket to @SomeAi and have a PR show up in a few minutes. Can't change to github for _reasons_.

Would love any suggestions if anyone in a similar story.

neilv•32m ago
Nit about doing your AI interfaces on the Web: I really want claude.ai and chatgpt.com to offer a standard username+password login without 2FA. The kind my privacy-friendly browser of short-lived sessions can complete in a couple clicks, like for most other SaaSes, and then I'm in and using the tool.

I don't want to leak data either way by using some "let's throw SSO from a sketchy adtech company into the trust loop".

I don't want to wait a minute for Anthropic's login-by-email link, and have the process slam the brakes on my workflow and train of thought.

I don't want to wait a minute for OpenAI's MFA-by-email code (even though I disabled that in the account settings, it still did it).

I don't want to deal with desktop clients I don't trust, or that might not keep up with feature improvements. Nor have to kludge up a clumsy virtualization sandbox for an untrusted client, just to ask an LLM questions that could just be in a Web browser.

linkregister•23m ago
In the modern age of mass credential stuffing attacks exploiting password reuse, MFA is one of the most effective tools for reducing unauthorized logins. Companies that don't adopt it are risking unacceptably high levels of credit card chargebacks.

I wish the standard were for companies to check new passwords against leaked password lists, e.g. what https://haveibeenpwned.com uses.

I use a similar workflow and have found that websites that allow passkey-based login can avoid the friction of waiting for TOTP codes or magic links.

aantix•25m ago
Does this web interface have support for AWS Bedrock?
cesarvarela•8m ago
Does this work inside docker containers like Codex? Stuff like `testcontainers` is unusable with that architecture because you need access to docker itself.
lysecret•1m ago
Just played around with it the fact it’s on the phone is a big bonus.

I have setup a little workflow where given linear tags it sets up a work tree on my dev box installs deps and starts the implementation so I can take it over I prefer this workflow to the fully managed cloud based solutions.

This kind of fits in for issues where I’m basically sure I won’t have to take it over (and it can do it fully on its own). Which aren’t that many.

bgirard•1m ago
Looks promising.

I got my environment working well with Codex's Cloud Task. Trying to same repo with Claude Code Web (which started off with Claude Code CLI mind you), and the yarn install just hangs with no debuggable output.

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