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Anthropic · Active

claude-opus-4-1-20250805-thinking-16k

claude-opus family · launched 2025-05-21

MultimodalReasoningTools
AITopic score47.0#42 overall

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

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output192.5k / 28.7ktokens
Cache / input / output$1.3 · $13 · $64USD per million tokens
Value / freshness22.1 / 35relative value · release freshness
Product profile

What this model supports

Inputtext, image, pdf
Outputtext
Knowledge cutoffNot disclosed
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 Analysis61.98 indexReading 47.0

Imported from a directly fetched third-party leaderboard.

Configuration: claude-opus-4-1-20250805-thinking-16kOpen evidence
Arena TextLMArena1,419.2 EloReading 47.0

Direct LMArena text leaderboard result.

Open evidence
Same builder

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