Claude Sonnet 4.5
Claude Sonnet 4.5 by Anthropic — specifications, pricing and published benchmark scores, with community links.
| Organization | Anthropic |
|---|---|
| Released | 2025-09 |
| License | Proprietary |
| Open weights | No |
| Parameters | Undisclosed |
| Context window | 1,000,000 tokens |
| Modality | Text, image |
| Input price | $3 / 1M |
| Output price | $15 / 1M |
Benchmark scores
- swe-bench-verified: 77.2
- gpqa: 83.4
- aime: 87
- arc-agi-2: 13.6
Latest links
No links yet.