Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Mistral Small 3.1 | Step 3.5 Flash |
|---|---|---|
| Input ($/M tokens) | $0.1 | $0.1 |
| Output ($/M tokens) | $0.3 | $0.3 |
Data from Artificial Analysis API — 12 benchmarks
Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.
Step 3.5 Flash 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 170 tok/s vs 93 tok/s. Mistral Small 3.1 also has lower time-to-first-token (0.41s vs 3.48s).
Choose based on your priorities: both are similarly priced, Step 3.5 Flash for stronger benchmark performance, and Mistral Small 3.1 for faster generation. For latency-sensitive apps, check the TTFT comparison above.