AsOf

Claude · policybiology safeguards

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

What the statuses mean

Valid from
2026-08-07
Valid until
still holds
Published
2026-08-07
Recorded by AsOf
2026-11-05
Checked
2026-11-06 · its source page states the value and the date
Confidence
0.70

Sources

“We’re making updates to Claude Fable 5’s biology safeguards in a way that substantially reduces false positives. Fable 5 users will now experience many fewer “fallbacks”—where the system switches to a less capable model after they make a biology-related query.”— what the page says, read 2026-11-06

Cite this claim

Each form names the value, its as-of date (2026-08-07), 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 The URL never changes: a superseded claim stays at the same address.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. "Claude policy changed: biology safeguards", as of 2026-08-07. Claim clm_23CCE2344071, https://asof.is/claim/clm_23CCE2344071, accessed 2026-11-08. Source: https://www.anthropic.com/news/improving-fable-5-s-biology-safeguards.
APA
AsOf. (2026). Claude policy changed: biology safeguards (as of 2026-08-07) [Record clm_23CCE2344071]. Retrieved November 8, 2026, from https://asof.is/claim/clm_23CCE2344071 (source: https://www.anthropic.com/news/improving-fable-5-s-biology-safeguards)
BibTeX
@misc{asof_clm_23CCE2344071,
  author = {AsOf},
  title = {Claude policy changed: biology safeguards},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_23CCE2344071}},
  note = {Claim clm\_23CCE2344071, as of 2026-08-07; source: https://www.anthropic.com/news/improving-fable-5-s-biology-safeguards},
  urldate = {2026-11-08}
}

On the record

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