GPT-5.5 vs Qwen3.6 Plus
GPT-5.5 
Qwen3.6 Plus Verdict
- GPT-5.5 leads on quality: 66.7 vs 59.2.
- GPT-5.5 is stronger in agents & tools, coding, composite, human preference, instruction following, knowledge, long context, multimodal, reasoning.
- Qwen3.6 Plus is stronger in maths.
- Qwen3.6 Plus is 10× cheaper ($1.13 vs $11.25 per 1M blended).
- GPT-5.5 streams 1.5× faster (85 vs 56 tokens per second).
| Metric | GPT-5.5 | Qwen3.6 Plus |
|---|---|---|
| BenchLeader Index | 66.7 | 59.2 |
| Agents & tools score | 68.5 | 57.0 |
| Coding score | 57.2 | 52.8 |
| Composite score | 77.8 | 48.3 |
| Human preference score | 67.9 | 63.9 |
| Instruction following score | 73.6 | 73.0 |
| Knowledge score | 73.9 | 59.0 |
| Long context score | 68.8 | 65.7 |
| Multimodal score | 64.9 | 62.4 |
| Reasoning score | 70.1 | 64.3 |
| Maths score | – | 56.7 |
| Blended price $/M | $11.25 | $1.13 |
| Output speed | 85 tok/s | 56 tok/s |
| Time to first answer | 58.6 s | 101.1 s |
| Context window | 1.1M | 1M |
| GPQA Diamond | – | 88.4% |
| FrontierMath Tiers 1–3 | – | 38.3% |
| OTIS Mock AIME | – | 93.3% |
| SWE-bench Verified (Epoch) | – | 57.9% |
| SimpleQA Verified | – | 44.1% |
| Terminal-Bench | 84.7% | – |
| SimpleBench | 69.0% | – |
| SciCode | – | 40.7% |
| Remote Labor Index | 6.3% | – |
| APEX-Agents | 38.5% | – |
| FrontierCode | 43.0% | – |
| Epoch Capabilities Index | 159.1 | 147.7 |
| LMArena Text | 1477 | 1444 |
| LMArena Hard Prompts | 1498 | 1468 |
| LMArena Coding | 1509 | 1495 |
| LMArena WebDev | 1458 | 1460 |
| LMArena Vision | 1296 | – |
| LMArena Agent | 3 | – |
| LiveBench | – | 68.9% |
| LiveBench Reasoning | – | 75.8% |
| LiveBench Coding | – | 78.2% |
| LiveBench Agentic Coding | – | 41.4% |
| LiveBench Mathematics | – | 83.7% |
| LiveBench Data Analysis | – | 69.9% |
| LiveBench Language | – | 75.0% |
| AA Intelligence Index | 38.6 | 27.0 |
| IFBench | 75.8% | 75.2% |
| AA-LCR | 84.3% | 78.3% |
| MMMU-Pro | 79.9% | 78.0% |
| AA-Omniscience | 20.5 | 0.9 |
| Terminal-Bench Hard | 60.6% | 43.9% |
| GPQA Diamond (AA) | 93.5% | 88.2% |
| Humanity's Last Exam (AA) | 45.8% | 27.9% |
| SciCode (AA) | 55.8% | – |
| τ²-Bench Telecom (AA) | 93.9% | 97.7% |
| AIME (Vals) | – | 94.6% |
| LiveCodeBench | – | 86.0% |
| MMLU-Pro | – | 87.7% |
| LegalBench | – | 84.2% |
| CorpFin | – | 61.9% |
| TaxEval | – | 74.7% |
| Terminal-Bench 2.1 (Vals) | – | 53.2% |
| SWE-bench (Vals) | – | 73.4% |
| GPQA Diamond (Vals) | – | 87.4% |
| Vals Index | – | 32.0 |
| HiL-Bench | 39.7% | – |
| EQ-Bench 4 | 1315 | – |
| Kagi LLM Benchmark | 88.8% | – |
Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.
GPT-5.5 vs Qwen3.6 Plus: questions
- Is GPT-5.5 better than Qwen3.6 Plus?
- GPT-5.5 leads on quality: 66.7 vs 59.2. The BenchLeader Index combines every independent quality benchmark; GPT-5.5 is ahead overall as of 2026-09-10, but check the category scores for your use.
- Is GPT-5.5 better than Qwen3.6 Plus for coding?
- GPT-5.5 scores higher in coding (57 vs 53 on the category index, where 50 is average).
- Is GPT-5.5 better than Qwen3.6 Plus for agentic tasks?
- GPT-5.5 scores higher in agentic tasks (69 vs 57 on the category index, where 50 is average).
- Which is cheaper, GPT-5.5 or Qwen3.6 Plus?
- Qwen3.6 Plus is cheaper: $1.13 against $11.25 per million tokens, blended at three input tokens per output token.
- Which is faster, GPT-5.5 or Qwen3.6 Plus?
- GPT-5.5 streams faster: 85 against 56 output tokens per second.
- Which has the larger context window?
- GPT-5.5 accepts more context: 1.1M against 1M tokens.