AsOf

Claude Mythos 5.2 · model releaseClaude Mythos 5.2

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2026-11-09
Valid until
still holds
Published
2026-11-09
Recorded by AsOf
2026-11-11
Checked
2026-11-13 · its source page states the value and the date, as read by an AI model
Confidence
0.70

Sources

“Introducing Claude Fable 5.2 and Claude Mythos 5.2 \ Anthropic Skip to main content News Research Policy Commitments Company Try Claude Introduction Performance and efficiency Coding Cybersecurity Science and engineering Safety and alignment Data privacy Availability November 9, 2026”— what the page says, read 2026-11-13

Cite this claim

Each form names the value, its as-of date (2026-11-09), the day you read it (2026-11-13), 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 The URL never changes: a superseded claim stays at the same address.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. "Claude Mythos 5.2 model release: Claude Mythos 5.2", as of 2026-11-09. Claim clm_EB896F1A17D3, https://asof.is/claim/clm_EB896F1A17D3, accessed 2026-11-13. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-11-09.
APA
AsOf. (2026). Claude Mythos 5.2 model release: Claude Mythos 5.2 (as of 2026-11-09) [Record clm_EB896F1A17D3]. Retrieved November 13, 2026, from https://asof.is/claim/clm_EB896F1A17D3 (source: https://platform.claude.com/docs/en/release-notes/overview#2026-11-09)
BibTeX
@misc{asof_clm_EB896F1A17D3,
  author = {AsOf},
  title = {Claude Mythos 5.2 model release: Claude Mythos 5.2},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_EB896F1A17D3}},
  note = {Claim clm\_EB896F1A17D3, as of 2026-11-09; source: https://platform.claude.com/docs/en/release-notes/overview\#2026-11-09},
  urldate = {2026-11-13}
}

On the record

/claim/clm_EB896F1A17D3.md/v1/claims/clm_EB896F1A17D3submit a correction