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Anthropic · Deprecated

Claude Opus 4 (20250514)

claude-opus family · launched 2025-05-22

MultimodalReasoningTools
AITopic score32.3Not yet ranked

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

Evidence coverage5%1 evaluations · 1 institutions
Context / maximum output192.5k / 28.7ktokens
Cache / input / output$1.3 · $13 · $64USD per million tokens
Value / freshness6.1 / 34relative value · release freshness
Product profile

What this model supports

Inputtext, image, pdf
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 Analysis56.42 indexReading 32.3

Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: Claude Opus 4 (20250514)Open evidence
Arena TextLMArena1,365.8 EloReading 32.3

Direct LMArena text leaderboard result.

Open evidence
Same builder

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