AsOf

Claude Opus 5.5 · price$4 / $20 USD per MTok

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

What the statuses mean

Valid from
2026-09-22
Valid until
still holds
Published
2026-09-22
Recorded by AsOf
2026-11-07
Checked
2026-11-07 · its source page states the value and the date
Confidence
0.70

Sources

“We’ve launched Claude Opus 5.5 ( claude-opus-5-5 ), a model for long-running agentic coding and knowledge work. It has a 1M token context window by default, 128k max output tokens, and always-on adaptive thinking , at $4 / $20 USD per MTok”— what the page says, read 2026-11-07

Cite this claim

Each form names the value, its as-of date (2026-09-22), 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 The URL never changes: a superseded claim stays at the same address.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 Opus 5.5 price: $4 / $20 USD per MTok", as of 2026-09-22. Claim clm_4598555DEFBF, https://asof.is/claim/clm_4598555DEFBF, accessed 2026-11-08. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-09-22.
APA
AsOf. (2026). Claude Opus 5.5 price: $4 / $20 USD per MTok (as of 2026-09-22) [Record clm_4598555DEFBF]. Retrieved November 8, 2026, from https://asof.is/claim/clm_4598555DEFBF (source: https://platform.claude.com/docs/en/release-notes/overview#2026-09-22)
BibTeX
@misc{asof_clm_4598555DEFBF,
  author = {AsOf},
  title = {Claude Opus 5.5 price: \$4 / \$20 USD per MTok},
  year = {2026},
  howpublished = {\url{https://asof.is/claim/clm_4598555DEFBF}},
  note = {Claim clm\_4598555DEFBF, as of 2026-09-22; source: https://platform.claude.com/docs/en/release-notes/overview\#2026-09-22},
  urldate = {2026-11-08}
}

On the record

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