AsOf

GPT-5 · model releaseGPT-5.1 Thinking

valid: Two independent sources agree, or a primary source states it: the record asserts this claim.asserted

What the statuses mean

Valid from
2025-11-12
Valid until
still holds
Published
2025-11-12
Recorded by AsOf
2026-11-03
Checked
2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)
Confidence
0.50

Sources

“GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum.”— what the publisher's feed entry for the page says, read 2026-11-04

Cite this claim

Each form names the value, its as-of date (2025-11-12), the day you read it (2026-11-08), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "GPT-5 model release: GPT-5.1 Thinking", as of 2025-11-12. Claim clm_A54757599DA5, https://asof.is/claim/clm_A54757599DA5, accessed 2026-11-08. Source: https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1.
APA
AsOf. (2025). GPT-5 model release: GPT-5.1 Thinking (as of 2025-11-12) [Record clm_A54757599DA5]. Retrieved November 8, 2026, from https://asof.is/claim/clm_A54757599DA5 (source: https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1)
BibTeX
@misc{asof_clm_A54757599DA5,
  author = {AsOf},
  title = {GPT-5 model release: GPT-5.1 Thinking},
  year = {2025},
  howpublished = {\url{https://asof.is/claim/clm_A54757599DA5}},
  note = {Claim clm\_A54757599DA5, as of 2025-11-12; source: https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1},
  urldate = {2026-11-08}
}

On the record