MoonshotAI: Kimi K2.5 wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | MoonshotAI: Kimi K2.5 | OpenAI: o3 |
|---|---|---|
| Intelligence Index | 37.3 | 38.4✓ |
| Coding Index | 25.8 | 38.4✓ |
| GPQA Diamond | 79% | 83%✓ |
| Design Arena Elo | 1293✓ | 1200 |
| Speed (tokens/sec) | 89✓ | 85 |
| Latency | 211ms✓ | 3.9s |
| Input price /M | $0.375✓ | $2.00 |
| Output price /M | $2.02✓ | $8.00 |
| Context window | 262K✓ | 200K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |