models · anthropic

Claude Opus 4.7

Claude Opus 4.7 — second on the reasoning leaderboard (62.8 score). Strong long-context and instruction following.

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What this registry has checked

Quarantine. We hold the publisher’s own published hash for these weights and have recorded it against this entry. We have not downloaded and hashed the weights ourselves, so the hash is the publisher’s claim, not our measurement.
Weight file SHA-2562f9466008c6e13a19df2bdd85e85c3b00a0f9c79285899c4b6a1aa2475ba420a
Methodclosed-weights

What is recorded

Publisheranthropic
OriginUnited States
LicenceAnthropic-TOS
Context window1,000,000 tokens
Modalitytext+image+file->text
Pulls recorded here45,640

Reported scores

GPQA Diamond91.4
IFBench58.6
Humanity's Last Exam42.3

Reported by a third party and recorded here, not re-run by us. Source: artificialanalysis.ai/api/v2.

Elsewhere in the registry

Registry record as of 2026-09-28. Identity, licence and parameter count are properties of a release and do not move; tier can, and the verify link above re-checks it against the live registry rather than this page.