AsOf

Claude · context window1M token context window

superseded: A later claim replaced it: it keeps its end date and a pointer to the claim that replaced it, and is never deleted.

What the statuses mean

Superseded: a later claim replaced it. It was the record's answer for the dates it held.

Valid from
2026-03-30
Valid until
2026-04-20
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
Replaced by
clm_849B1F10CFD0

Sources

“To continue using 1M context windows, migrate to Claude Sonnet 4.6 or Claude Opus 4.6 , which support the full 1M token context window at standard pricing with no beta header required.”— what the page says, read 2026-11-01

Cite this claim

Each form names the value, its as-of date (2026-03-30), 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 The URL never changes: a superseded claim stays at the same address.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 context window: 1M token context window", as of 2026-03-30 (until 2026-04-20). Claim clm_5D6D78810CBD, https://asof.is/claim/clm_5D6D78810CBD, accessed 2026-11-08. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-03-30.
APA
AsOf. (2026). Claude context window: 1M token context window (as of 2026-03-30 (until 2026-04-20)) [Record clm_5D6D78810CBD]. Retrieved November 8, 2026, from https://asof.is/claim/clm_5D6D78810CBD (source: https://platform.claude.com/docs/en/release-notes/overview#2026-03-30)
BibTeX
@misc{asof_clm_5D6D78810CBD,
  author = {AsOf},
  title = {Claude context window: 1M token context window},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_5D6D78810CBD}},
  note = {Claim clm\_5D6D78810CBD, as of 2026-03-30 (until 2026-04-20); source: https://platform.claude.com/docs/en/release-notes/overview\#2026-03-30},
  urldate = {2026-11-08}
}

On the record

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