Deepseek v4 Pro vs GPT-5.4 Pro
Deepseek v4 Pro 
GPT-5.4 Pro Verdict
- GPT-5.4 Pro leads on quality: 64.3 vs 60.4.
- Deepseek v4 Pro (high) is stronger in coding, human preference, maths.
- GPT-5.4 Pro is stronger in reasoning, instruction following, knowledge, multimodal.
| Metric | Deepseek v4 Pro (high) | GPT-5.4 Pro |
|---|---|---|
| BenchLeader Index | 60.4 | 64.3 |
| Coding score | 59.3 | – |
| Human preference score | 66.0 | – |
| Maths score | 66.2 | – |
| Reasoning score | 65.9 | 75.3 |
| Instruction following score | – | 67.3 |
| Knowledge score | – | 73.6 |
| Multimodal score | – | 69.8 |
| Blended price $/M | – | $67.50 |
| Output speed | – | 1 tok/s |
| Time to first answer | – | 6.3 s |
| Context window | – | 1.1M |
| GPQA Diamond | 90.9% | – |
| OTIS Mock AIME | 95.6% | – |
| Humanity's Last Exam | – | 44.3% |
| SimpleBench | – | 74.1% |
| SciCode | 46.4% | – |
| WeirdML | 46.5% | – |
| Epoch Capabilities Index | – | 158.9 |
| LMArena Text | 1462 | – |
| LMArena Hard Prompts | 1482 | – |
| LMArena Coding | 1505 | – |
| LMArena WebDev | 1581 | – |
| MultiChallenge | – | 69.2% |
| VISTA | – | 53.9% |
| MultiNRC | – | 62.3% |
| TutorBench | – | 56.6% |
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 GPT-5.4 Pro: questions
- Is Deepseek v4 Pro better than GPT-5.4 Pro?
- GPT-5.4 Pro leads on quality: 64.3 vs 60.4. The BenchLeader Index combines every independent quality benchmark; GPT-5.4 Pro is ahead overall as of 2026-09-13, but check the category scores for your use.