MoonshotAI: Kimi K2.6 vs OpenAI: GPT-5.2-Codex
MoonshotAI: Kimi K2.6 wins on more metrics (8 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | MoonshotAI: Kimi K2.6 | OpenAI: GPT-5.2-Codex |
|---|---|---|
| Intelligence Index | 42.8✓ | 40.1 |
| Coding Index | 56.0✓ | — |
| GPQA Diamond | 91%✓ | 90% |
| Design Arena Elo | 1355✓ | — |
| Speed (tokens/sec) | 154✓ | 64 |
| Latency | 355ms✓ | 1.6s |
| Input price /M | $0.660✓ | $1.75 |
| Output price /M | $3.41✓ | $14.00 |
| Context window | 262K | 400K✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |