Deepseek v4 Pro vs Grok 4.5
Deepseek v4 Pro 
Grok 4.5 Verdict
- Grok 4.5 leads on quality: 62.4 vs 60.4.
- Deepseek v4 Pro (high) is stronger in maths.
- Grok 4.5 is stronger in coding, human preference, reasoning, agents & tools, composite, knowledge, long context, multimodal.
| Metric | Deepseek v4 Pro (high) | Grok 4.5 |
|---|---|---|
| BenchLeader Index | 60.4 | 62.4 |
| Coding score | 59.3 | 59.6 |
| Human preference score | 66.0 | 66.9 |
| Maths score | 66.2 | – |
| Reasoning score | 65.9 | 69.1 |
| Agents & tools score | – | 58.4 |
| Composite score | – | 62.8 |
| Knowledge score | – | 72.8 |
| Long context score | – | 63.7 |
| Multimodal score | – | 64.3 |
| Blended price $/M | – | $3.00 |
| Output speed | – | 56 tok/s |
| Time to first answer | – | 6.6 s |
| Context window | – | 500k |
| GPQA Diamond | 90.9% | – |
| OTIS Mock AIME | 95.6% | – |
| SimpleBench | – | 70.0% |
| SciCode | 46.4% | – |
| WeirdML | 46.5% | 46.4% |
| APEX-Agents | – | 34.2% |
| FrontierCode | – | 42.4% |
| Epoch Capabilities Index | – | 153.9 |
| LMArena Text | 1462 | 1469 |
| LMArena Hard Prompts | 1482 | 1493 |
| LMArena Coding | 1505 | 1519 |
| LMArena WebDev | 1581 | 1555 |
| LMArena Vision | – | 1291 |
| LMArena Agent | – | 3.8 |
| LiveBench | – | 75.8% |
| LiveBench Reasoning | – | 87.2% |
| LiveBench Coding | – | 68.6% |
| LiveBench Agentic Coding | – | 56.5% |
| LiveBench Mathematics | – | 90.8% |
| LiveBench Data Analysis | – | 73.0% |
| LiveBench Language | – | 82.8% |
| AA Intelligence Index | – | 39.1 |
| AA-LCR | – | 79.3% |
| MMMU-Pro | – | 80.4% |
| AA-Omniscience | – | 25.3 |
| GPQA Diamond (AA) | – | 93.1% |
| Humanity's Last Exam (AA) | – | 42.7% |
| SciCode (AA) | – | 55.0% |
| Kagi LLM Benchmark | – | 83.5% |
Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.
Deepseek v4 Pro vs Grok 4.5: questions
- Is Deepseek v4 Pro better than Grok 4.5?
- Grok 4.5 leads on quality: 62.4 vs 60.4. The BenchLeader Index combines every independent quality benchmark; Grok 4.5 is ahead overall as of 2026-09-13, but check the category scores for your use.
- Is Deepseek v4 Pro better than Grok 4.5 for coding?
- Grok 4.5 scores higher in coding (60 vs 59 on the category index, where 50 is average).