AsOf

Claude Sonnet 4 · available inVertex AI

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
2025-08-26
Valid until
still holds
Published
2025-08-26
Recorded by AsOf
2026-11-12
Checked
2026-11-12 · its source page states the value and the date
Confidence
0.70

Sources

“August 26, 2025 We’ve increased rate limits on the 1M token context window for Claude Sonnet 4 on the Claude API. The 1M token context window is now available on Vertex AI.”— what the page says, read 2026-11-12

Cite this claim

Each form names the value, its as-of date (2025-08-26), 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 The URL never changes: a superseded claim stays at the same address.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 Sonnet 4 available in: Vertex AI", as of 2025-08-26. Claim clm_80CB0DE87581, https://asof.is/claim/clm_80CB0DE87581, accessed 2026-11-13. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-08-26.
APA
AsOf. (2025). Claude Sonnet 4 available in: Vertex AI (as of 2025-08-26) [Record clm_80CB0DE87581]. Retrieved November 13, 2026, from https://asof.is/claim/clm_80CB0DE87581 (source: https://platform.claude.com/docs/en/release-notes/overview#2025-08-26)
BibTeX
@misc{asof_clm_80CB0DE87581,
  author = {AsOf},
  title = {Claude Sonnet 4 available in: Vertex AI},
  year = {2025},
  howpublished = {\url{https://asof.is/claim/clm_80CB0DE87581}},
  note = {Claim clm\_80CB0DE87581, as of 2025-08-26; source: https://platform.claude.com/docs/en/release-notes/overview\#2025-08-26},
  urldate = {2026-11-13}
}

On the record

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