Grok Build 0.1 vs DeepSeek V4 Flash 0731
Grok Build 0.1 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 13× cheaper than Grok Build 0.1 for the same mix of input and output tokens.
- DeepSeek V4 Flash 0731 has the larger context window (1M), useful for long documents and big codebases.
- DeepSeek V4 Flash 0731 is the more recent release (Jul 31, 2026).
- Only DeepSeek V4 Flash 0731 has openly published weights you can run yourself.
- Only Grok Build 0.1 accepts images as input.
- Choose DeepSeek V4 Flash 0731 if cost matters most; choose Grok Build 0.1 if you need its specific strengths above. For the best results, test both on your own prompts.
| Grok Build 0.1 | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Company | xAI | DeepSeek |
| Released | May 20, 2026 | Jul 31, 2026 ● |
| Overall index | — | 154.5 |
| GPQA Diamond | — | 91.0% |
| AIME math | — | 94.4% |
| FrontierMath | — | 57.5% |
| SimpleQA Verified | — | 33.6% |
| Input (per 1M tokens) | $1 | $0.018 ● |
| Output (per 1M tokens) | $2 | $0.32 ● |
| Cost for 1M input + 1M output tokens | $3.00 | $0.338 ● |
| Providers | 4 | 30 ● |
| Context | 256K | 1M ● |
| Max output | 225K | 944K ● |
| Inputs | Text, Image, Files ● | Text |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | ✓ |
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