xAI: Grok 4.3 wins on more metrics (7 of 9), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Qwen: Qwen3.6 Max Preview | xAI: Grok 4.3 |
|---|---|---|
| Intelligence Index | 51.8 | 53.2✓ |
| Coding Index | 44.9✓ | 41.0 |
| GPQA Diamond | 89% | 90%✓ |
| Design Arena Elo | — | 1255✓ |
| Speed (tokens/sec) | 44 | 102✓ |
| Latency | 1.7s | 721ms✓ |
| Input price /M | $1.04✓ | $1.25 |
| Output price /M | $6.24 | $2.50✓ |
| Context window | 262K | 1M✓ |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |