Gemini 3.1 Pro Preview vs grok-4-0709
Gemini 3.1 Pro Preview is cheaper on output tokens, while Gemini 3.1 Pro Preview offers a larger context window. Choose Gemini 3.1 Pro Preview or grok-4-0709 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.1 Pro Preview | grok-4-0709 |
|---|---|---|
| Provider | Jiekou.AI | |
| Input / 1M tokens | $2.00 | $2.70 |
| Output / 1M tokens | $12.00 | $13.50 |
| Context window | 1M | 256K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Jan 2026 |
| LiveBench score | 77.1 | 61.8 |
| LMArena (Chatbot Arena) Elo score | 1480 | — |
| LMArena WebDev Elo score | 1447 | — |
| LMArena Vision Elo score | 1296 | — |
| GPQA Diamond score | 94.4 | — |
| FrontierMath score | 36.9 | — |
FAQ
Is Gemini 3.1 Pro Preview or grok-4-0709 cheaper?
Gemini 3.1 Pro Preview is cheaper on output tokens ($12.00 vs $13.50 per 1M).
Which has the larger context window, Gemini 3.1 Pro Preview or grok-4-0709?
Gemini 3.1 Pro Preview has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.