DeepSeek: DeepSeek V4 Pro wins on more metrics (6 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | DeepSeek: DeepSeek V4 Pro | OpenAI: GPT-5 Mini |
|---|---|---|
| Intelligence Index | 39.3✓ | 38.9 |
| Coding Index | 38.4✓ | 32.8 |
| GPQA Diamond | 72% | 80%✓ |
| Design Arena Elo | 1348✓ | 1199 |
| Speed (tokens/sec) | 73 | 74✓ |
| Latency | 603ms✓ | 2.2s |
| Input price /M | $0.435 | $0.250✓ |
| Output price /M | $0.870✓ | $2.00 |
| Context window | 1.0M✓ | 400K |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |