Gemini 3.1 Pro Preview Custom Tools vs Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview is cheaper on output tokens. Choose Gemini 3.1 Pro Preview Custom Tools or Gemini 3.1 Flash Lite Preview based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.1 Pro Preview Custom Tools | Gemini 3.1 Flash Lite Preview |
|---|---|---|
| Provider | Neon | Neon |
| Input / 1M tokens | $2.00 | $0.25 |
| Output / 1M tokens | $12.00 | $1.50 |
| Context window | 1M | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Feb 2026 | Mar 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.