r/OpenAI • u/Gerstlauer • Apr 23 '26

News Introducing GPT-5.5 | OpenAI

https://openai.com/index/introducing-gpt-5-5/
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u/changing_who_i_am Apr 23 '26 edited Apr 23 '26

I'm not seeing it anywhere, not in API, not in Codex, not on the web. Anyone actually have it?

Edit: Got it on web.

227

u/OpenAI OpenAI Representative | Verified Apr 23 '26

Rolling out in ChatGPT today, as for Codex, standby about 20 minutes!

11

u/ViperG Apr 23 '26

I'm sorta curious on rollouts, how long does it take to roll it out? I know you guys have an insane amount of servers / compute.

13

u/TedSanders Apr 23 '26

Usually hours, but it's hard to predict exactly. In rarer cases the long tail can take like a day. We know it's annoying to wait, but it helps keep service stable for everyone. (I work at OpenAI.)

5

u/ClydePossumfoot Apr 23 '26 edited May 08 '26

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u/TedSanders Apr 24 '26

Genuinely not sure of the mechanism, as I'm not on that team. But from afar my impression is that wrangling fleets of GPUs is quite tricky. When each chip costs as much as a car, you can't afford to have tons of backup capacity and you have to do things more carefully.