DeepSeek V4 Pro 0813 vs Mistral Medium 3.5
DeepSeek V4 Pro 0813 vs Mistral Medium 3.5: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- DeepSeek V4 Pro 0813 is 3.0× cheaper than Mistral Medium 3.5 for the same mix of input and output tokens.
- DeepSeek V4 Pro 0813 has the larger context window (1M), useful for long documents and big codebases.
- DeepSeek V4 Pro 0813 is the more recent release (Aug 12, 2026).
- Only DeepSeek V4 Pro 0813 has openly published weights you can run yourself.
- Only Mistral Medium 3.5 accepts images as input.
- DeepSeek V4 Pro 0813 scores higher on independent tests (overall index 155.4 vs 141.4).
- DeepSeek V4 Pro 0813 is both cheaper and better rated: for most uses it is the better choice.
| DeepSeek V4 Pro 0813 | Mistral Medium 3.5 | |
|---|---|---|
| Company | DeepSeek | Mistral AI |
| Released | Aug 12, 2026 ● | Apr 30, 2026 |
| Overall index | 155.4 ● | 141.4 |
| SWE-bench Verified | 77.6% | — |
| GPQA Diamond | 91.7% | — |
| AIME math | 98.6% | — |
| FrontierMath | 64.6% | — |
| SimpleQA Verified | 52.9% | — |
| Input (per 1M tokens) | $0.66 ● | $1.50 |
| Output (per 1M tokens) | $1.98 ● | $7.50 |
| Cost for 1M input + 1M output tokens | $2.64 ● | $9.00 |
| Providers | 20 ● | 3 |
| Context | 1M ● | 256K |
| Max output | 384K ● | 210K |
| Inputs | Text | Text, Image, Files ● |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | ✓ | — |