Claude Sonnet 5 vs Mistral Large 3 2512
Claude Sonnet 5 vs Mistral Large 3 2512: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Mistral Large 3 2512 is 5.3× cheaper than Claude Sonnet 5 for the same mix of input and output tokens.
- Claude Sonnet 5 has the larger context window (1M), useful for long documents and big codebases.
- Claude Sonnet 5 is the more recent release (Jun 30, 2026).
- Only Claude Sonnet 5 supports extended reasoning.
- Claude Sonnet 5 scores higher on independent tests (overall index 156.3 vs 122.0).
- Choose Mistral Large 3 2512 if cost matters most; choose Claude Sonnet 5 if you need its specific strengths above. For the best results, test both on your own prompts.
| Claude Sonnet 5 | Mistral Large 3 2512 | |
|---|---|---|
| Company | Anthropic | Mistral AI |
| Released | Jun 30, 2026 ● | Dec 1, 2025 |
| Overall index | 156.3 ● | 122.0 |
| GPQA Diamond | 90.5% ● | 51.3% |
| AIME math | 94.7% ● | 8.5% |
| FrontierMath | 65.6% | — |
| SimpleQA Verified | 33.7% | — |
| Input (per 1M tokens) | $2 | $0.50 ● |
| Output (per 1M tokens) | $10 | $1.50 ● |
| Cost for 1M input + 1M output tokens | $12.00 | $2.00 ● |
| Providers | 10 ● | 2 |
| Context | 1M ● | 256K |
| Max output | 128K | 210K ● |
| Inputs | Text, Image, Files | Text, Image, Files |
| Outputs | Text | Text |
| Reasoning | ✓ | — |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |