Muse Spark 1.3 Contributor vs DeepSeek V4 Flash 0731
Muse Spark 1.3 Contributor 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 1.3× cheaper than Muse Spark 1.3 Contributor for the same mix of input and output tokens.
- Both have the same context window.
- Muse Spark 1.3 Contributor is the more recent release (Sep 2, 2026).
- Only DeepSeek V4 Flash 0731 has openly published weights you can run yourself.
- Only Muse Spark 1.3 Contributor accepts images as input.
- Choose DeepSeek V4 Flash 0731 if cost matters most; choose Muse Spark 1.3 Contributor if you need its specific strengths above. For the best results, test both on your own prompts.
| Muse Spark 1.3 Contributor | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Company | Meta | DeepSeek |
| Released | Sep 2, 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) | $0.10 | $0.018 ● |
| Output (per 1M tokens) | $0.20 ● | $0.32 |
| Cost for 1M input + 1M output tokens | $0.30 ● | $0.338 |
| Providers | 1 | 30 ● |
| Context | 1M | 1M |
| Max output | 944K | 944K |
| Inputs | Text, Image, Video, Files ● | Text |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | ✓ |
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