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Anthropic · Active

Claude Opus 4.6

claude-opus family · launched 2026-02-05

MultimodalReasoningToolsStructured
AITopic score78.4#7 overall

High-end Claude for difficult coding, planning, and slower expert reasoning

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output1M / 128ktokens
Cache / input / output— · $5 · $25USD per million tokens
Value / freshness53.8 / 61relative value · release freshness
Product profile

What this model supports

Inputtext, image
Outputtext
Knowledge cutoff2025-05-31
WeightsProprietary / hosted
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis69.95 indexReading 78.4

Imported from a directly fetched third-party leaderboard.

Configuration: Claude Opus 4.6Open evidence
Arena TextLMArena1,497.5 EloReading 78.4

Direct LMArena text leaderboard result.

Open evidence
Same builder

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