GPT-5.5 vs Qwen3.8 Max (0902)
Verdict
- GPT-5.5 leads on quality: 65.0 vs 57.1.
- GPT-5.5 is stronger in agents & tools, coding, composite, human preference, instruction following, knowledge, long context, multimodal, reasoning.
- Qwen3.8 Max (0902) (xhigh) is stronger in maths.
- Qwen3.8 Max (0902) (xhigh) is 3.8× cheaper ($3.00 vs $11.25 per 1M blended).
- GPT-5.5 streams 2.4× faster (91 vs 38 tokens per second).
| Metric | GPT-5.5 | Qwen3.8 Max (0902) (xhigh) |
|---|---|---|
| BenchLeader Index | 65.0 | 57.1 |
| Agents & tools score | 67.6 | – |
| Coding score | 57.2 | – |
| Composite score | 71.1 | – |
| Human preference score | 67.7 | – |
| Instruction following score | 70.5 | – |
| Knowledge score | 70.5 | 55.9 |
| Long context score | 66.6 | – |
| Multimodal score | 64.3 | – |
| Reasoning score | 70.0 | 66.9 |
| Maths score | – | 61.2 |
| Blended price $/M | $11.25 | $3.00 |
| Output speed | 91 tok/s | 38 tok/s |
| Time to first answer | 49.6 s | 2.0 s |
| Context window | 1.1M | 1M |
| GPQA Diamond | – | 92.3% |
| FrontierMath Tiers 1–3 | – | 65.6% |
| FrontierMath Tier 4 | – | 34.1% |
| OTIS Mock AIME | – | 100.0% |
| SimpleQA Verified | – | 47.3% |
| Terminal-Bench | 84.7% | – |
| SimpleBench | 69.0% | – |
| Remote Labor Index | 6.3% | – |
| APEX-Agents | 38.5% | – |
| FrontierCode | 43.0% | – |
| Epoch Capabilities Index | 159.1 | – |
| LMArena Text | 1476 | – |
| LMArena Hard Prompts | 1498 | – |
| LMArena Coding | 1509 | – |
| LMArena WebDev | 1458 | – |
| LMArena Vision | 1296 | – |
| LMArena Agent | 2.8 | – |
| AA Intelligence Index | 38.6 | – |
| IFBench | 75.8% | – |
| AA-LCR | 84.3% | – |
| MMMU-Pro | 79.9% | – |
| AA-Omniscience | 20.5 | – |
| Terminal-Bench Hard | 60.6% | – |
| GPQA Diamond (AA) | 93.5% | – |
| Humanity's Last Exam (AA) | 45.8% | – |
| SciCode (AA) | 55.8% | – |
| τ²-Bench Telecom (AA) | 93.9% | – |
| HiL-Bench | 39.7% | – |
| EQ-Bench 4 | 1315 | – |
| Kagi LLM Benchmark | 88.8% | – |
Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.
GPT-5.5 vs Qwen3.8 Max (0902): questions
- Is GPT-5.5 better than Qwen3.8 Max (0902)?
- GPT-5.5 leads on quality: 65.0 vs 57.1. The BenchLeader Index combines every independent quality benchmark; GPT-5.5 is ahead overall as of 2026-09-13, but check the category scores for your use.
- Which is cheaper, GPT-5.5 or Qwen3.8 Max (0902)?
- Qwen3.8 Max (0902) is cheaper: $3.00 against $11.25 per million tokens, blended at three input tokens per output token.
- Which is faster, GPT-5.5 or Qwen3.8 Max (0902)?
- GPT-5.5 streams faster: 91 against 38 output tokens per second.
- Which has the larger context window?
- GPT-5.5 accepts more context: 1.1M against 1M tokens.