models · anthropic

Claude Sonnet 4.6

Claude Sonnet 4.6 — balanced performance and cost. 52.3 reasoning score at mid-range pricing.

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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-25637d6c50bc5a04cea9c113ad9b69cc7a1863795abf0dcafa9f11aba039146c791
Methodclosed-weights

What is recorded

Publisheranthropic
OriginUnited States
LicenceAnthropic-TOS
Context window1,000,000 tokens
Modalitytext+image+file->text
Pulls recorded here116,647

Reported scores

GPQA Diamond79.9
IFBench41.2
Humanity's Last Exam13.3

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.