GPT-5.5 Pro vs Qwen3.8 2.4T A95B
GPT-5.5 Pro 
Qwen3.8 2.4T A95B Verdict
- GPT-5.5 Pro (xhigh) leads on quality: 67.1 vs 65.2.
- GPT-5.5 Pro (xhigh) is stronger in maths.
- Qwen3.8 2.4T A95B is stronger in reasoning, agents & tools, composite, knowledge, long context.
- Qwen3.8 2.4T A95B is 23× cheaper ($3.00 vs $67.50 per 1M blended).
- Qwen3.8 2.4T A95B streams 9.5× faster (38 vs 4 tokens per second).
| Metric | GPT-5.5 Pro (xhigh) | Qwen3.8 2.4T A95B |
|---|---|---|
| BenchLeader Index | 67.1 | 65.2 |
| Maths score | 74.5 | – |
| Reasoning score | 80.1 | 80.5 |
| Agents & tools score | – | 78.3 |
| Composite score | – | 79.8 |
| Knowledge score | – | 66.3 |
| Long context score | – | 66.6 |
| Blended price $/M | $67.50 | $3.00 |
| Output speed | 4 tok/s | 38 tok/s |
| Time to first answer | 3.5 s | 55.2 s |
| Context window | 1.1M | 984k |
| FrontierMath Tiers 1–3 | 87.7% | – |
| FrontierMath Tier 4 | 78.0% | – |
| AA Intelligence Index | – | 40.0 |
| AA-LCR | – | 80.3% |
| AA-Omniscience | – | 4.3 |
| GPQA Diamond (AA) | – | 93.5% |
| Humanity's Last Exam (AA) | – | 42.5% |
| SciCode (AA) | – | 54.0% |
| ARC-AGI-1 | 95.0% | – |
| ARC-AGI-2 | 84.2% | – |
| CritPt | 30.6% | 20.0% |
| GDPval (AA) | – | 56.4% |
| τ²-Bench Banking (AA) | – | 49.1% |
| LMCA | 53.9% | – |
| DTBench | 96.0% | – |
Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.
GPT-5.5 Pro vs Qwen3.8 2.4T A95B: questions
- Is GPT-5.5 Pro better than Qwen3.8 2.4T A95B?
- GPT-5.5 Pro (xhigh) leads on quality: 67.1 vs 65.2. The BenchLeader Index combines every independent quality benchmark; GPT-5.5 Pro (xhigh) is ahead overall as of 2026-09-19, but check the category scores for your use.
- Which is cheaper, GPT-5.5 Pro or Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B is cheaper: $3.00 against $67.50 per million tokens, blended at three input tokens per output token.
- Which is faster, GPT-5.5 Pro or Qwen3.8 2.4T A95B?
- Qwen3.8 2.4T A95B streams faster: 38 against 4 output tokens per second.
- Which has the larger context window?
- GPT-5.5 Pro accepts more context: 1.1M against 984k tokens.