MiniMax: MiniMax M3 wins on more metrics (8 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | MiniMax: MiniMax M3 | OpenAI: GPT-5.3-Codex |
|---|---|---|
| Intelligence Index | 54.7✓ | 53.6 |
| Coding Index | 43.4 | 53.1✓ |
| GPQA Diamond | 93%✓ | 92% |
| Design Arena Elo | 1330✓ | 1229 |
| Speed (tokens/sec) | 50✓ | 47 |
| Latency | 688ms✓ | 4.2s |
| Input price /M | $0.300✓ | $1.75 |
| Output price /M | $1.20✓ | $14.00 |
| Context window | 1.0M✓ | 400K |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSONVision |