Gemini 3 Pro Preview vs Gemini 3.1 Pro Preview
Both have similar output pricing. Choose Gemini 3 Pro Preview or Gemini 3.1 Pro Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3 Pro Preview | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | ||
| Input / 1M tokens | $2.00 | $2.00 |
| Output / 1M tokens | $12.00 | $12.00 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Feb 2026 |
| SWE-bench Verified score | 77.4 | — |
| GPQA Diamond score | 92.6 | 94.4 |
| FrontierMath score | 37.6 | 36.9 |
| LiveBench score | — | 77.1 |
| LMArena (Chatbot Arena) Elo score | — | 1480 |
| LMArena WebDev Elo score | — | 1447 |
| LMArena Vision Elo score | — | 1296 |
FAQ
Is Gemini 3 Pro Preview or Gemini 3.1 Pro Preview cheaper?
Gemini 3 Pro Preview and Gemini 3.1 Pro Preview have comparable output pricing.
Which has the larger context window, Gemini 3 Pro Preview or Gemini 3.1 Pro Preview?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.