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Anthropic · Active

claude-opus-4-1-20250805

claude-opus family · launched 2026-01

MultimodalToolsStructured
AITopic score46.8#93 overall

Flagship Claude model for deep reasoning, coding, and long-horizon agents

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output200k / 32ktokens
Cache / input / output— · $13.5 · $67.5USD per million tokens
Value / freshness21.3 / 53relative value · release freshness
Product profile

What this model supports

Inputtext, image
Outputtext
Knowledge cutoff2025-03-31
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 Analysis61.92 indexReading 46.8

Imported from a directly fetched third-party leaderboard.

Configuration: claude-opus-4-1-20250805Open evidence
Arena TextLMArena1,418.6 EloReading 46.8

Direct LMArena text leaderboard result.

Open evidence
Same builder

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