AsOf

GPT-5.1 · model releaseGPT-5.1

validasserted
Valid from
2025-11-13
Valid until
still holds
Published
2025-11-13
Recorded by AsOf
2026-11-04
Checked
2026-11-04 · its source page states the value and the date
Confidence
0.95

Sources

“Nov 13 Feature gpt-5.1 gpt-5.1-codex gpt-5.1-chat-latest gpt-5.1-codex-mini v1/responses v1/chat/completions Released GPT-5.1 , the newest flagship model in the GPT-5 model family.”— what the page says, read 2026-11-04