AClaude Haiku 4.5 (20251001)
claude-haiku family · launched 2025-10-15
MultimodalReasoningToolsFast Claude lane for lightweight agents, office tasks, and responsive chat
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 · CodingLiveBench48.10 scoreReading 48.1
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 · ResearchLiveBench61.70 scoreReading 61.7
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 · ProfessionalLiveBench42.58 scoreReading 42.6
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 · KnowledgeLiveBench42.20 scoreReading 42.2
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
LiveBenchLiveBench46.04 scoreReading 46.0
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 Analysis59.43 indexReading 41.4
Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.
Configuration: Claude Haiku 4.5 (20251001)Open evidenceArena TextLMArena1,396.9 EloReading 41.4
Direct LMArena text leaderboard result.
Open evidence