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ModelActiveProprietaryfamily · Claude

Claude Opus 4.6

Anthropic

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

quality63

Updated 48 min ago · first seen 11 Sept 2026

model_01M293VBD4A1NFA069HJ80AZ8V

Context
1M tokens
T2 · 48 min ago
Released
4 Feb 2026
T2 · 48 min ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Openrouter id

1 claims · 1 propertiesShow all properties

Openrouter idopenrouter_id1

Claim history for Openrouter id
ValueValid from → toStatusSourceConfidenceExtractor
anthropic/claude-opus-4.6currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →