DeepSeek V4 Pro 0813 vs DeepSeek V4 Flash 0731
DeepSeek V4 Pro 0813 vs DeepSeek V4 Flash 0731: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- DeepSeek V4 Flash 0731 is 11× cheaper than DeepSeek V4 Pro 0813 for the same mix of input and output tokens.
- Both have the same context window.
- DeepSeek V4 Pro 0813 is the more recent release (Aug 12, 2026).
- Choose DeepSeek V4 Flash 0731 if cost matters most; choose DeepSeek V4 Pro 0813 if you need its specific strengths above. For the best results, test both on your own prompts.
| DeepSeek V4 Pro 0813 | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Company | DeepSeek | DeepSeek |
| Released | Aug 12, 2026 ● | Jul 31, 2026 |
| Overall index | 155.4 ● | 154.5 |
| SWE-bench Verified | 77.6% | — |
| GPQA Diamond | 91.7% ● | 91.0% |
| AIME math | 98.6% ● | 94.4% |
| FrontierMath | 64.6% ● | 57.5% |
| SimpleQA Verified | 52.9% ● | 33.6% |
| Input (per 1M tokens) | $0.66 | $0.018 ● |
| Output (per 1M tokens) | $1.98 | $0.32 ● |
| Cost for 1M input + 1M output tokens | $2.64 | $0.338 ● |
| Providers | 20 | 30 ● |
| Context | 1M | 1M |
| Max output | 384K | 944K ● |
| Inputs | Text | Text |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | ✓ | ✓ |