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 57.7.
- DeepSeek V4 Pro is stronger in agents & tools, coding, composite, human preference, instruction following, long context.
- GPT-5.4 Pro is stronger in knowledge, reasoning, multimodal.
- DeepSeek V4 Pro is 124× cheaper ($0.544 vs $67.50 per 1M blended).
- DeepSeek V4 Pro streams 75.8× faster (76 vs 1 tokens per second).
| Metric | DeepSeek V4 Pro | GPT-5.4 Pro |
|---|---|---|
| BenchLeader Index | 57.7 | 64.3 |
| Agents & tools score | 51.5 | – |
| Coding score | 55.4 | – |
| Composite score | 54.9 | – |
| Human preference score | 58.6 | – |
| Instruction following score | 71.0 | 67.3 |
| Knowledge score | 61.1 | 73.6 |
| Long context score | 64.3 | – |
| Reasoning score | 57.7 | 75.3 |
| Multimodal score | – | 69.8 |
| Blended price $/M | $0.544 | $67.50 |
| Output speed | 76 tok/s | 1 tok/s |
| Time to first answer | 59.6 s | 6.3 s |
| Context window | 1M | 1.1M |
| Humanity's Last Exam | – | 44.3% |
| SimpleBench | – | 74.1% |
| Epoch Capabilities Index | 149.1 | 158.9 |
| LMArena Text | 1458 | – |
| LMArena Hard Prompts | 1480 | – |
| LMArena Coding | 1502 | – |
| LMArena WebDev | 1446 | – |
| LMArena Agent | -0.3 | – |
| LiveBench | 71.6% | – |
| LiveBench Reasoning | 82.7% | – |
| LiveBench Coding | 70.0% | – |
| LiveBench Agentic Coding | 42.6% | – |
| LiveBench Mathematics | 90.7% | – |
| LiveBench Data Analysis | 74.5% | – |
| LiveBench Language | 78.1% | – |
| AA Intelligence Index | 36.3 | – |
| IFBench | 76.5% | – |
| AA-LCR | 80.3% | – |
| AA-Omniscience | 0.8 | – |
| Terminal-Bench Hard | 46.2% | – |
| GPQA Diamond (AA) | 92.8% | – |
| Humanity's Last Exam (AA) | 41.0% | – |
| SciCode (AA) | 51.0% | – |
| τ²-Bench Telecom (AA) | 96.2% | – |
| Terminal-Bench 2.1 (Vals) | 50.2% | – |
| MultiChallenge | – | 69.2% |
| VISTA | – | 53.9% |
| MultiNRC | – | 62.3% |
| TutorBench | – | 56.6% |
| EQ-Bench 4 | 1166 | – |
| Kagi LLM Benchmark | 53.5% | – |
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 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 57.7. 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.
- Which is cheaper, DeepSeek V4 Pro or GPT-5.4 Pro?
- DeepSeek V4 Pro is cheaper: $0.544 against $67.50 per million tokens, blended at three input tokens per output token.
- Which is faster, DeepSeek V4 Pro or GPT-5.4 Pro?
- DeepSeek V4 Pro streams faster: 76 against 1 output tokens per second.
- Which has the larger context window?
- GPT-5.4 Pro accepts more context: 1.1M against 1M tokens.