Gemini-3.1-Pro vs GPT-5.1
GPT-5.1 is cheaper on output tokens, while Gemini-3.1-Pro offers a larger context window. Choose Gemini-3.1-Pro or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini-3.1-Pro | GPT-5.1 |
|---|---|---|
| Provider | Poe | Poe |
| Input / 1M tokens | $2.00 | $1.10 |
| Output / 1M tokens | $12.00 | $9.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Nov 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.