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Anthropic · Active

claude-sonnet-5.5-xhigh

claude-sonnet family · launched 2026-09-28

MultimodalReasoningToolsStructured
AITopic score58.8#23 overall

Fast Claude model for everyday coding, agents, and knowledge work

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output1M / 128ktokens
Cache / input / output$0.1 · $2 · $10USD per million tokens
Value / freshness53.8 / 100relative value · release freshness
Product profile

What this model supports

Inputtext, image, pdf
Outputtext
Knowledge cutoff2026-06
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 Analysis58.82 indexReading 58.8

Imported from a directly fetched third-party leaderboard.

Configuration: claude-sonnet-5.5-xhighOpen evidence
Arena TextLMArena1,470.4 EloReading 58.8

Direct LMArena text leaderboard result.

Open evidence
Same builder

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