OpenAI: GPT-5.6 Luna vs Xiaomi: MiMo-V2.5-Pro
OpenAI: GPT-5.6 Luna wins on more metrics (5 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | OpenAI: GPT-5.6 Luna | Xiaomi: MiMo-V2.5-Pro |
|---|---|---|
| Intelligence Index | 51.2✓ | 42.2 |
| Coding Index | 71.4✓ | 60.2 |
| GPQA Diamond | 91%✓ | 87% |
| Design Arena Elo | — | 1321✓ |
| Speed (tokens/sec) | 60✓ | 58 |
| Latency | 1.7s | 577ms✓ |
| Input price /M | $1.00 | $0.435✓ |
| Output price /M | $6.00 | $0.870✓ |
| Context window | 1.1M✓ | 1.0M |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |