Google: Gemini 3.1 Pro Preview vs MoonshotAI: Kimi K3
Google: Gemini 3.1 Pro Preview wins on more metrics (6 of 8), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Google: Gemini 3.1 Pro Preview | MoonshotAI: Kimi K3 |
|---|---|---|
| Intelligence Index | 46.5 | 57.1✓ |
| Coding Index | 68.8 | 76.2✓ |
| GPQA Diamond | 94%✓ | 94% |
| Design Arena Elo | 1339✓ | — |
| Speed (tokens/sec) | 110✓ | — |
| Latency | 2.9s✓ | — |
| Input price /M | $2.00✓ | $3.00 |
| Output price /M | $12.00✓ | $15.00 |
| Context window | 1.0M | 1.0M |
| Capabilities | ReasoningToolsJSONVisionAudio | ReasoningToolsJSONVision |