models · anthropic

Claude Sonnet 4.5

Claude Sonnet 4.5 — predecessor to 4.6. Excellent at agentic code tasks.

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-256	37d6c50bc5a04cea9c113ad9b69cc7a1863795abf0dcafa9f11aba039146c791
Method	closed-weights

Re-check this yourself → Source → Full record →

What is recorded

Publisher	anthropic
Origin	United States
Licence	Anthropic-TOS
Context window	1,000,000 tokens
Modality	text+image+file->text
Pulls recorded here	28,504

Reported scores

GPQA Diamond	82.3

Reported by a third party and recorded here, not re-run by us.

Elsewhere in the registry

All models → Browse with filters → What will run on my hardware? →

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.