Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Gemini 3.1 Pro Preview | Nova 2.0 Pro Preview (medium) |
|---|---|---|
| Input ($/M tokens) | $2 | $1.25 |
| Output ($/M tokens) | $12 | $10 |
Data from Artificial Analysis API — 12 benchmarks
Nova 2.0 Pro Preview (medium) is cheaper overall. Its blended price (3:1 input/output ratio) is $3.44/M tokens vs $4.50/M for Gemini 3.1 Pro Preview.
Gemini 3.1 Pro Preview wins 6 out of 12 benchmarks compared to 5 for Nova 2.0 Pro Preview (medium). See the detailed benchmark chart above for per-category results.
Nova 2.0 Pro Preview (medium) generates tokens faster at 144 tok/s vs 115 tok/s. However, Nova 2.0 Pro Preview (medium) has lower time-to-first-token (14.17s vs 31.49s).
Choose based on your priorities: Nova 2.0 Pro Preview (medium) for lower cost, Gemini 3.1 Pro Preview for stronger benchmark performance, and Nova 2.0 Pro Preview (medium) for faster generation. For latency-sensitive apps, check the TTFT comparison above.