Claude Haiku 4.5

anthropic/claude-haiku-4-5-20251001

Fast Claude model for responsive assistance, classification, and lightweight agents

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Context window: 200K
Input: Document · Image · Text
Output: Text
Released: 2025-10-15

Max output: 64K
Knowledge cutoff: 2025-02-28
Weights: Closed
Capabilities: Attachments, Reasoning, Temperature, Tool call

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Performance

Overall capability

41.5/100

Coding: 38.4
Reasoning: 35.3
Professional work: 35.5
Knowledge & language: 46.6


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ModelRegistry · Catalog updated 2026-11-05