Claude Haiku 4.5
Anthropic
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
What is Claude Haiku 4.5?
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Specifications
- Developer: Anthropic
- Context window: 200K tokens
- Max output: 64K tokens
- Input modalities: text, image, file
- Output modalities: text
- Input price: $1.00 per 1M tokens
- Output price: $5.00 per 1M tokens
- Knowledge cutoff: —
- Supported parameters: include_reasoning, max_tokens, reasoning, response_format, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_p
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