Claude Opus 5
claude-opus family · launched 2026-07-24
MultimodalReasoningToolsStructuredClaude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
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.
Coding2 results
LiveBench 2.0 · CodingLiveBench90.80 scoreReading 90.8
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT · CodingAIHOT68.00 scoreReading 68.0
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidenceResearch & reasoning2 results
LiveBench 2.0 · ResearchLiveBench91.20 scoreReading 91.2
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAIHOT · ResearchAIHOT70.60 scoreReading 70.6
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidenceProfessional work2 results
LiveBench 2.0 · ProfessionalLiveBench75.93 scoreReading 75.9
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 2.0, AIHOT aggregateOpen evidenceAIHOT · ProfessionalAIHOT71.30 scoreReading 71.3
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidenceKnowledge & instruction2 results
LiveBench 2.0 · KnowledgeLiveBench88.90 scoreReading 88.9
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 2.0, AIHOT aggregateOpen evidenceAIHOT · KnowledgeAIHOT69.00 scoreReading 69.0
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidenceHuman preference & indices4 results
LiveBenchLiveBench82.09 scoreReading 82.1
Imported from LiveBench 2.0. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: LiveBench 2.0, AIHOT aggregateOpen evidenceAA IndexArtificial Analysis70.10 indexReading 73.8
Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidenceArena TextLMArena1,504.1 EloReading 69.5
Direct LMArena text leaderboard result.
Open evidenceAIHOT aggregate leaderboardAIHOT69.40 scoreReading 69.4
Imported from AIHOT aggregate leaderboard. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: AIHOT aggregateOpen evidence