GPT-5.5 Pro

OpenAI · gpt-5.5-pro
Healthy
Released2026-04-29
Retiresno announced date
GPT-5text+vision400k context128k max out
also matches: gpt-5.5-progpt-5-5-proopenai/gpt-5.5-pro
provider announcement →
Does your code call GPT-5.5 Pro?
$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

Get alerted before it retires →
GPT-5.5 Pro — retirement date & lifecycle · LLM Status