# Claude Haiku 4.5: AI model fact sheet

- **Provider:** anthropic
- **Released:** 2025-10-15
- **Context window:** 200,000 tokens
- **API pricing:** $1.00 / 1M input, $5.00 / 1M output
- **OpenRouter ID:** anthropic/claude-haiku-4.5
- **Capabilities:** conversation, reasoning, code-generation, analysis, tool-use

Claude Haiku 4.5 matches Claude Sonnet 4's reasoning and coding strength while staying ultra-responsive for real-time and high-volume workloads. Extended thinking, controllable reasoning depth, and full tool-use support keep sub-agents fast without sacrificing quality.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| SWE-bench Verified | 73.3% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/claude-haiku-4.5