Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Devstral Small (May '25) | Qwen3.5 2B (Non-reasoning) |
|---|---|---|
| Input ($/M tokens) | $0.06 | $0.02 |
| Output ($/M tokens) | $0.12 | $0.1 |
Data from Artificial Analysis API — 12 benchmarks
Qwen3.5 2B (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.04/M tokens vs $0.07/M for Devstral Small (May '25).
Devstral Small (May '25) wins 8 out of 12 benchmarks compared to 2 for Qwen3.5 2B (Non-reasoning). See the detailed benchmark chart above for per-category results.
Qwen3.5 2B (Non-reasoning) generates tokens faster at 272 tok/s vs 0 tok/s. Devstral Small (May '25) also has lower time-to-first-token (0.00s vs 0.54s).
Choose based on your priorities: Qwen3.5 2B (Non-reasoning) for lower cost, Devstral Small (May '25) for stronger benchmark performance, and Qwen3.5 2B (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.