Claude Sonnet 5
claude-sonnet family · launched 2026-06-30
MultimodalReasoningToolsStructuredEveryday Claude agent model for coding, planning, browsing, and general work
What this model supports
Strengths by domain
Every result has a source
Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.
Coding1 results
LiveBench 2.0 · CodingLiveBench74.70 scoreReading 74.7
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0Open evidenceResearch & reasoning1 results
LiveBench 2.0 · ResearchLiveBench88.70 scoreReading 88.7
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0Open evidenceProfessional work1 results
LiveBench 2.0 · ProfessionalLiveBench66.18 scoreReading 66.2
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized. Professional = long-agentic, browser, data-analysis and design average.
Configuration: LiveBench 2.0Open evidenceKnowledge & instruction1 results
LiveBench 2.0 · KnowledgeLiveBench82.80 scoreReading 82.8
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized. Knowledge uses the published LiveBench research suite.
Configuration: LiveBench 2.0Open evidenceHuman preference & indices3 results
LiveBenchLiveBench72.99 scoreReading 73.0
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0Open evidenceAA IndexArtificial Analysis63.99 indexReading 55.3
Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: Claude Sonnet 5Open evidenceArena TextLMArena1,442.7 EloReading 55.3
Direct LMArena text leaderboard result.
Open evidence