DeepSeek: DeepSeek V4 Flash vs xAI: Grok 4.5
DeepSeek: DeepSeek V4 Flash 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 Flash | xAI: Grok 4.5 |
|---|---|---|
| Intelligence Index | 40.3 | 53.8✓ |
| Coding Index | 56.2 | 72.4✓ |
| GPQA Diamond | 89% | 93%✓ |
| Design Arena Elo | 1266✓ | — |
| Speed (tokens/sec) | 85✓ | 74 |
| Latency | 615ms✓ | 655ms |
| Input price /M | $0.090✓ | $2.00 |
| Output price /M | $0.180✓ | $6.00 |
| Context window | 1.0M✓ | 500K |
| Capabilities | ReasoningToolsJSON | ReasoningToolsJSONVision |