MiniMax: MiniMax M2.1 wins on more metrics (6 of 8), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | MiniMax: MiniMax M2.1 | OpenAI: GPT-5 Mini |
|---|---|---|
| Intelligence Index | 39.4✓ | 38.9 |
| Coding Index | 32.8 | 32.8 |
| GPQA Diamond | 83%✓ | 80% |
| Design Arena Elo | 1280✓ | 1199 |
| Speed (tokens/sec) | 149✓ | 74 |
| Latency | 769ms✓ | 2.2s |
| Input price /M | $0.290 | $0.250✓ |
| Output price /M | $0.950✓ | $2.00 |
| Context window | 205K | 400K✓ |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |