MoonshotAI: Kimi K3 vs OpenAI: GPT-5.5
MoonshotAI: Kimi K3 and OpenAI: GPT-5.5 are evenly matched; the right pick depends on your priorities.
| Metric | MoonshotAI: Kimi K3 | OpenAI: GPT-5.5 |
|---|---|---|
| Intelligence Index | 57.1✓ | 54.8 |
| Coding Index | 76.2✓ | 74.9 |
| GPQA Diamond | 94% | 94% |
| Design Arena Elo | — | 1296✓ |
| Speed (tokens/sec) | — | 59✓ |
| Latency | — | 2.1s✓ |
| Input price /M | $3.00✓ | $5.00 |
| Output price /M | $15.00✓ | $30.00 |
| Context window | 1.0M | 1.1M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |