OpenAI: GPT-5 wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | DeepSeek: DeepSeek V3.2 | OpenAI: GPT-5 |
|---|---|---|
| Intelligence Index | 41.7 | 42.0✓ |
| Coding Index | 36.7 | 38.9✓ |
| GPQA Diamond | 84% | 84%✓ |
| Design Arena Elo | 1221 | 1282✓ |
| Speed (tokens/sec) | 41 | 55✓ |
| Latency | 458ms✓ | 705ms |
| Input price /M | $0.229✓ | $1.25 |
| Output price /M | $0.343✓ | $10.00 |
| Context window | 131K | 400K✓ |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |