models · anthropic

Claude Haiku 4.5

Claude Haiku 4.5 — fastest and cheapest Claude model. Real-time applications, summarization.

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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-2563778716478707cca82a5b82bc7ba999d4d40d475777da1f77d6baaa39598966f
Methodclosed-weights

What is recorded

Publisheranthropic
OriginUnited States
LicenceAnthropic-TOS
Context window200,000 tokens
Modalitytext+image+file->text
Pulls recorded here33,132

Reported scores

GPQA Diamond67.2

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

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.