Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. [HGm8jVWbsAAwL60] GPT-5.5 gets to what you are trying to …

It is now available in the API! [image] OpenAI Developers @OpenAIDevs GPT-5.5 is now available in the API. The model brings higher intelligence and stronger token efficiency to complex work, helping tasks get done with fewer retries. x.com/16338749515087… OpenAI Dev…

Testing now: The breadth of document analysis has increased dramatically. It even includes a disclaimer: This analysis is an issue-spotting review based on the text provided. It is not a legal opinion, and it does not determine whether the Firm actually violated any law in practice. Translating …

The python SDK is not updated currently right?

Man I just took a second mortgage to build a website :joy::joy::joy:

I’ve been testing how GPT-5.5 holds persona skill and it did not disappoint. I’m so excited to work with a new persona skill with GPT-5.5. And it’s overall a more effective model. Well done OpenAI:clap: [IMG_1836]

No sign of gpt-5.5 for me here in the UK, any ideas as to when it is due? Bill

I spent some time on the weekend reading through the guidance for the new model. One useful takeaway is that it is worth blocking some time to review the updated prompting guide, then eval, or at least vibe-check, whether low and medium thinking settings are already good enough for the task. That s…

I’ve been getting some great results on medium only.

My assumption is that high or xhigh should provide additional leverage if the work packages are structured differently and built around a better scaffold. In practice, that could mean replacing several medium-sized tasks with one better-scoped task on higher settings. I think that is the direction …

Yeah I’m the hand holding type so I tend to give stepwise tasks that have fairly small scope each prompt.

GPT-5.5 is here! Available in the API, Codex and ChatGPT today

Announcements

vb April 25, 2026, 12:43pm 23

Hi!

Why are you asking if the Python SDK has been updated? What is it you are trying to do?

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GPT-5.5 is here! Available in the API, Codex and ChatGPT today

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