# Claude 3.7 Sonnet: AI model fact sheet

- **Provider:** anthropic
- **Released:** 2025-02-25
- **Context window:** 200,000 tokens
- **Parameters:** Not disclosed
- **API pricing:** $3.00 / 1M input, $15.00 / 1M output
- **OpenRouter ID:** anthropic/claude-3.7-sonnet
- **Capabilities:** conversation, reasoning, analysis, summarization

Claude 3.7 Sonnet offers Extended Thinking Scaffolds that boost SWE-bench coding accuracy from 62.3% to 70.3%, with 81.2% accuracy in retail automation tasks, outperforming Claude Sonnet 3.6 (2022-10-22) by 13.6%.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| MMLU | 80.3% |
| MATH | 82.2% |
| GPQA Diamond | 68.0% |
| Retail Task Accuracy | 81.2% |
| Airline Task Accuracy | 58.4% |
| SWE-bench Verified | 70.3% |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/claude-3.7-sonnet