AsOf

Claude · feature removed1M token context window beta

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

What the statuses mean

Valid from
2026-04-30
Valid until
still holds
Published
2026-03-30
Recorded by AsOf
2026-11-01
Checked
2026-11-01 · its source page states the value and the date
Confidence
0.70

Sources

“April 30, 2026 We’ve retired the 1M token context window beta ( context-1m-2025-08-07 ) for Claude Sonnet 4.5 and Claude Sonnet 4.”— what the page says, read 2026-11-01

Cite this claim

Each form names the value, its as-of date (2026-04-30), 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 The URL never changes: a superseded claim stays at the same address.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 feature removed: 1M token context window beta", as of 2026-04-30. Claim clm_47E7DC12D588, https://asof.is/claim/clm_47E7DC12D588, accessed 2026-11-08. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-03-30.
APA
AsOf. (2026). Claude feature removed: 1M token context window beta (as of 2026-04-30) [Record clm_47E7DC12D588]. Retrieved November 8, 2026, from https://asof.is/claim/clm_47E7DC12D588 (source: https://platform.claude.com/docs/en/release-notes/overview#2026-03-30)
BibTeX
@misc{asof_clm_47E7DC12D588,
  author = {AsOf},
  title = {Claude feature removed: 1M token context window beta},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_47E7DC12D588}},
  note = {Claim clm\_47E7DC12D588, as of 2026-04-30; source: https://platform.claude.com/docs/en/release-notes/overview\#2026-03-30},
  urldate = {2026-11-08}
}

On the record