Gemini 3.1 Pro Preview vs Kimi K3
30-second takeaway
- Gemini 3.1 Pro Preview has the cheaper input: $2 vs $3 (per 1M tokens, 33% less)
- Same context window (1.049M tokens)
| Gemini 3.1 Pro Preview OpenCode | Kimi K3 Alibaba | |
|---|---|---|
| Input | $2 | $3 |
| Output | $12 | $15 |
| Context | 1.049M | 1.049M |
More specs (max output / capabilities)
| max output | 65,536 | 1,048,576 |
| Reasoning | ✓ Yes | ✓ Yes |
| Tool calls | ✓ Yes | ✓ Yes |
| Open weights | — No | ✓ Yes |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.