Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | DeepSeek V4 Flash (Reasoning, Max Effort) | Mistral Small 3.1 |
|---|---|---|
| Input ($/M tokens) | $0.14 | $0.1 |
| Output ($/M tokens) | $0.28 | $0.3 |
Data from Artificial Analysis API — 12 benchmarks
Mistral Small 3.1 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.15/M tokens vs $0.17/M for DeepSeek V4 Flash (Reasoning, Max Effort).
DeepSeek V4 Flash (Reasoning, Max Effort) wins 7 out of 12 benchmarks compared to 5 for Mistral Small 3.1. See the detailed benchmark chart above for per-category results.
Mistral Small 3.1 generates tokens faster at 154 tok/s vs 79 tok/s. However, Mistral Small 3.1 has lower time-to-first-token (0.51s vs 1.38s).
Choose based on your priorities: Mistral Small 3.1 for lower cost, DeepSeek V4 Flash (Reasoning, Max Effort) for stronger benchmark performance, and Mistral Small 3.1 for faster generation. For latency-sensitive apps, check the TTFT comparison above.