AsOf

Claude Opus 4.6 · deprecatedfast mode

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
2026-05-28
Valid until
still holds
Published
2026-05-28
Recorded by AsOf
2026-11-11
Checked
2026-11-11 · its source page states the value and the date
Confidence
0.70

Sources

“We’ve deprecated fast mode for Claude Opus 4.6, with removal approximately 30 days after launch. Migrate to fast mode for Claude Opus 4.8 or Claude Opus 4.7.”— what the page says, read 2026-11-11

Cite this claim

Each form names the value, its as-of date (2026-05-28), the day you read it (2026-11-11), 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 The URL never changes: a superseded claim stays at the same address.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 Opus 4.6 deprecated: fast mode", as of 2026-05-28. Claim clm_7AC3B47F24F1, https://asof.is/claim/clm_7AC3B47F24F1, accessed 2026-11-11. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-05-28.
APA
AsOf. (2026). Claude Opus 4.6 deprecated: fast mode (as of 2026-05-28) [Record clm_7AC3B47F24F1]. Retrieved November 11, 2026, from https://asof.is/claim/clm_7AC3B47F24F1 (source: https://platform.claude.com/docs/en/release-notes/overview#2026-05-28)
BibTeX
@misc{asof_clm_7AC3B47F24F1,
  author = {AsOf},
  title = {Claude Opus 4.6 deprecated: fast mode},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_7AC3B47F24F1}},
  note = {Claim clm\_7AC3B47F24F1, as of 2026-05-28; source: https://platform.claude.com/docs/en/release-notes/overview\#2026-05-28},
  urldate = {2026-11-11}
}

On the record

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