Claude Haiku 4.5
by Anthropic · family claude-haiku · listed Oct 2025RTV
Fast Claude model for responsive assistance, classification, and lightweight agents
Current rates USD per 1M tokens
Input$1.00
Output$5.00
Cache read$0.10
Cache write$1.25
Against the market
On the record
- Model id
claude-haiku-4-5-20251001- Context window
- 200K tokens
- Max output
- 64K tokens
- Input modalities
- text, image, pdf
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- Feb 2025
- Released
- 2025-10-15
- Last updated
- 2025-10-15
- Provider docs
- docs.anthropic.com/en/docs/about-claude/models
Back of the envelope
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