DeepSeek: DeepSeek V4 Flash wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | DeepSeek: DeepSeek V4 Flash | Qwen: Qwen3.6 Plus |
|---|---|---|
| Intelligence Index | 40.3✓ | 39.6 |
| Coding Index | 38.7 | 42.9✓ |
| GPQA Diamond | 89%✓ | 88% |
| Design Arena Elo | 1278 | 1287✓ |
| Speed (tokens/sec) | 68✓ | 40 |
| Latency | 550ms✓ | 1.1s |
| Input price /M | $0.098✓ | $0.325 |
| Output price /M | $0.196✓ | $1.95 |
| Context window | 1.0M✓ | 1M |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |