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GPT-5.6 Sol, along with Terra and Luna, will launch publicly this Thursday

https://twitter.com/OpenAI/status/2074704958419792299
80•jfrbfbreudh•1h ago

Comments

ray__•47m ago
Any previewers have hot takes? I've really preferred gpt-5.5 over Opus 4.8 for data analysis and scientific software work. It seems much more reliable. Fable is unusable for the type of work that I do (due to guardrails). Really looking forward to trying these new OpenAI models out.
ottoboney•44m ago
It seems comparable to Fable to me in my uses.
wahnfrieden•36m ago
That's great to hear - and for the same price as 5.5, and reportedly with much lower token use per task.

Were you able to try Sol Ultra?

ottoboney•31m ago
No, my organization limits access to xhigh.
scottmf•29m ago
What types of use cases?
CjHuber•34m ago
Interesting to hear people like gpt-5.5. For me it feels smart only at one shot prompts, but if you try to build up session context before doing something it feels magnitudes inferior to Claude. I'm almost sure its because the thinking of previous turns is stripped with the responses API, so if I tell it to analyse something deeply, what remains of the understanding in future turns is only the short response text of that analysis
porker•28m ago
For gpt-5.5 I build up that session context into a markdown file, and then I start a new session and give it the markdown file with the instructions for what to do.

I'm guessing this works better because it can always go back and re-analyze the saved context.

pavpanchekha•33m ago
For compiler work I found that Sol is noticably better than 5.5 (and I generally use OAI models because I like the Codex app), but Fable was still obviously better.
aarvin_roshin•44m ago
Thoughts[^0] from Theo, who had early access:

> It's a damn good model. Not quite as "smart" as Fable, but it is incredibly capable. Fixed all the problems I had with GPT-5.5.

> It is incredibly determined. Will run for a day without even using a /goal. It understands subagents incredibly well and is great at orchestrating. It's super pleasant in use cases like OpenClaw and Hermes Agent. It knows iOS dev incredibly well.

> It has rough edges too, but FAR fewer than 5.5 did.

> For many things, gpt-5.6-sol will become my obvious defaults.

> It is better about [following instructions] than 5.5 was. Understands intent well and hammers until it gets there. Sometimes a bit too hard.

Also[^1]:

> gpt-5.6-sol is world leading in computer use. It made me use it 100x more. When we lost access to 5.6, I quickly started to go insane without it

[^0]: https://nitter.net/theo/status/2074708892341481755 [^1]: https://nitter.net/theo/status/2074720467395756499

isoprophlex•38m ago
Increased tenacity & goal following is exactly what I want in this model, to make it compete with Claude models.

(A little toning down of the goblin fetish would be nice too, haha.)

bashtoni•20m ago
I feel like listening to Theo about anything technical is like consulting a Labrador retriever for advice on quantum physics.

Every time I've ever seen one of his videos it's pretty clear he has very little understanding of development or engineering. I first became aware of him from his early "unit tests are a waste of time" stuff, and it seems his skillset is building a personal brand. Fair play, he's clearly talented at that, but that doesn't make his opinion on anything else worthwhile.

reassess_blind•36m ago
I’m bouncing back between Codex and Claude like a ping-pong ball. I much prefer the experience using Codex, less verbose and to-the-point I’ve found. But Fable, being as strong as it is, is a big draw for Claude right now. I’ll likely switch back to Codex if 5.6 Sol is comparable.
laurels-marts•28m ago
Damn this is exciting. I love that gpt models are much faster, efficient and cheaper than Claude models. They are so fast even on high/xhigh that I don’t find myself using the parallel agent setup anymore much since its cognitively less demanding to just follow along what the model is doing and most tasks it will complete in <5-<10mins anyway.
aarvin_roshin•24m ago
I'm most curious about whether OpenAI finally taught its models how to design interfaces. They have been behind the other labs in this area for what feels like ages.
MrBuddyCasino•21m ago
What do you feel is the best model for interface design right now?
Dibes•13m ago
For me claude is the best, hands down. Fable took it a step even further.
jorisw•21m ago
Mirror: https://xcancel.com/OpenAI/status/2074704958419792299
mhrmsn•20m ago
Is this the reason Anthropic extended use of Fable 5 via subscriptions until July 12? Seems a bit like it
yzydserd•16m ago
The question is, launch to who …
Tiberium•14m ago
To everyone.
simianwords•7m ago
I find codex way more usable. It’s not pretentiously verbose like Claude. It’s also responsive - I can see the progress easily and steer the conversation. With Claude, it might take 15 minutes and I would lose patience.
matheusmoreira•5m ago
Will it be available on subscription tiers? That will get me to switch away from Anthropic.
stingraycharles•8m ago
“Understands intent well and hammers until it gets there. “

If there’s anything I learned over the past 12-18 months is that this is a recipe for disaster, except for throwaway stuff.

I thought most senior engineers settled on the fact that steering a model yields much better results?

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https://twitter.com/OpenAI/status/2074704958419792299
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