Model comparison
GPT-5.5 Pro vs Qwen3.6 Plus
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 47.3 on the Noometry Index. Qwen3.6 Plus costs 60× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.
Last verified . 10 shared benchmarks.
Alibaba (Qwen)Summary
- They share 10 benchmarks with published results for both. GPT-5.5 Pro scores higher in 3 categories and Qwen3.6 Plus in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.5 Pro leads 73.6 to 28.5.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 87.7% for GPT-5.5 Pro and 38.2% for Qwen3.6 Plus.
- Qwen3.6 Plus is cheaper at $0.50 / $3 per million input/output tokens, against $30 / $180 for GPT-5.5 Pro.
- GPT-5.5 Pro accepts more context: 1.05M tokens versus 1M.
Side by side
| GPT-5.5 Pro | Qwen3.6 Plus | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 64.3 | 47.3 |
| Released | 2026-04-23 | 2026-03-31 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 128K | 66K |
| Input $ / M tokens | $30 | $0.50 |
| Output $ / M tokens | $180 | $3 |
| Results tracked | 14 | 37 |
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Category by category
Coding Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: 40.6 (#125)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| SWE-bench Verified | — | 57.9% |
| LMArena WebDev | — | 1461 |
| SciCode | — | 40.7% |
| LMArena Coding | — | 1467 |
| ALE-Bench | — | 670.15 |
Agentic & Tool Use Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: —
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| Vending-Bench 2 | — | 5,115 |
Reasoning GPT-5.5 Pro leads
GPT-5.5 Pro: 73.6 (#7), Qwen3.6 Plus: 28.5 (#89)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| CritPt | 30.6% | 2.9% |
| Chess Puzzles | 64% | 17% |
| DTBench | 96% | 81.9% |
| LMCA | 53.9% | 33.1% |
| Epoch Capabilities Index | 162.45 | 147.67 |
| ARC-AGI-2 | 84.6% | — |
| SimpleBench | 76.9% | — |
| NYT Connections (extended) | — | 60.3% |
| ARC-AGI-1 | 96.5% | — |
| Thematic Generalization | — | 59.5% |
| LMArena Hard Prompts | — | 1449 |
| Mystery Game Puzzles | — | 12% |
Math GPT-5.5 Pro leads
GPT-5.5 Pro: 83.8 (#8), Qwen3.6 Plus: 50.6 (#44)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| FrontierMath (Tiers 1-3) | 87.7% | 38.2% |
| OTIS Mock AIME 2024-2025 | 100% | 93.3% |
| FrontierMath (Feb 2025 set) | 52.4% | 26.2% |
| FrontierMath Tier 4 (v1) | 39.6% | 8.3% |
| FrontierMath Tier 4 | 78% | — |
| LMArena Math | — | 1450 |
Knowledge GPT-5.5 Pro leads
GPT-5.5 Pro: 64.2 (#17), Qwen3.6 Plus: 56.1 (#40)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| GPQA Diamond | 93.9% | 88.4% |
| SimpleQA Verified | — | 44.1% |
| LMArena Expert | — | 1456 |
Multilingual Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: 53.5 (#66)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| LMArena Non-English | — | 1424 |
| LMArena Chinese | — | 1478 |
| LMArena French | — | 1454 |
| LMArena German | — | 1451 |
| LMArena Japanese | — | 1389 |
| LMArena Korean | — | 1381 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1432 |
Instruction Following Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: 75.2 (#70)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| LMArena Instruction Following | — | 1425 |
Long Context Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: 45.1 (#48)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| CL-bench | — | 20.3% |
| LMArena Longer Query | — | 1440 |
Writing & Preference Not comparable
GPT-5.5 Pro: —, Qwen3.6 Plus: 62.4 (#78)
| Benchmark | GPT-5.5 Pro | Qwen3.6 Plus |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1405 |
| LMArena Multi-Turn | — | 1438 |
Frequently asked questions
Is GPT-5.5 Pro better than Qwen3.6 Plus?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 47.3 on the Noometry Index. Qwen3.6 Plus costs 60× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5.5 Pro or Qwen3.6 Plus?
Qwen3.6 Plus is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; GPT-5.5 Pro lists at $30 and $180.
Which has the bigger context window?
GPT-5.5 Pro does, with 1.05M tokens against 1M.
How many benchmarks do GPT-5.5 Pro and Qwen3.6 Plus share?
10 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Qwen3.6 Plus has 37.