Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Gemma 4 31B (Reasoning) | Gemini 3 Pro Preview (high) |
|---|---|---|
| Input ($/M tokens) | $0 | $2 |
| Output ($/M tokens) | $0 | $12 |
Data from Artificial Analysis API — 12 benchmarks
Gemma 4 31B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $4.50/M for Gemini 3 Pro Preview (high).
Gemini 3 Pro Preview (high) wins 10 out of 12 benchmarks compared to 1 for Gemma 4 31B (Reasoning). See the detailed benchmark chart above for per-category results.
Gemma 4 31B (Reasoning) generates tokens faster at 35 tok/s vs 0 tok/s. However, Gemini 3 Pro Preview (high) has lower time-to-first-token (0.00s vs 0.97s).
Choose based on your priorities: Gemma 4 31B (Reasoning) for lower cost, Gemini 3 Pro Preview (high) for stronger benchmark performance, and Gemma 4 31B (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.