Deepseek v4 Pro vs GPT-6 Astra
Deepseek v4 Pro 
GPT-6 Astra Verdict
- GPT-6 Astra (max) leads on quality: 70.9 vs 60.4.
- Deepseek v4 Pro (high) is stronger in human preference.
- GPT-6 Astra (max) is stronger in coding, maths, reasoning, agents & tools, composite, knowledge.
| Metric | Deepseek v4 Pro (high) | GPT-6 Astra (max) |
|---|---|---|
| BenchLeader Index | 60.4 | 70.9 |
| Coding score | 59.4 | 78.6 |
| Human preference score | 65.8 | – |
| Maths score | 66.2 | 77.2 |
| Reasoning score | 66.0 | 73.6 |
| Agents & tools score | – | 68.2 |
| Composite score | – | 72.9 |
| Knowledge score | – | 80.0 |
| Blended price $/M | – | $20.00 |
| Output speed | – | 27 tok/s |
| Time to first answer | – | 337.3 s |
| Context window | – | 1.1M |
| GPQA Diamond | 90.9% | 95.8% |
| FrontierMath Tiers 1–3 | – | 93.7% |
| FrontierMath Tier 4 | – | 97.6% |
| OTIS Mock AIME | 95.6% | 100.0% |
| SimpleQA Verified | – | 75.6% |
| Terminal-Bench | – | 58.2% |
| SciCode | 46.4% | 56.5% |
| WeirdML | 46.5% | – |
| FrontierCode | – | 53.3% |
| LMArena Text | 1460 | – |
| LMArena Hard Prompts | 1482 | – |
| LMArena Coding | 1505 | – |
| LMArena WebDev | 1580 | 1796 |
| LMArena Agent | – | 12.5 |
| LiveBench | – | 82.2% |
| LiveBench Reasoning | – | 92.7% |
| LiveBench Coding | – | 80.4% |
| LiveBench Agentic Coding | – | 57.3% |
| LiveBench Mathematics | – | 96.8% |
| LiveBench Data Analysis | – | 83.0% |
| LiveBench Language | – | 89.4% |
| Terminal-Bench 2.1 (Vals) | – | 87.3% |
| Vals Index | – | 66.6 |
| ARC-AGI-1 | – | 97.5% |
| ARC-AGI-2 | – | 95.0% |
| ARC-AGI-3 | – | 98.6% |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
Deepseek v4 Pro vs GPT-6 Astra: questions
- Is Deepseek v4 Pro better than GPT-6 Astra?
- GPT-6 Astra (max) leads on quality: 70.9 vs 60.4. The BenchLeader Index combines every independent quality benchmark; GPT-6 Astra (max) is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is Deepseek v4 Pro better than GPT-6 Astra for coding?
- GPT-6 Astra scores higher in coding (79 vs 59 on the category index, where 50 is average).