Model comparison
GPT-5.5 Pro vs Qwen Plus
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 37.1 on the Noometry Index. Qwen Plus costs 112× less per token, which makes it the better buy when GPT-5.5 Pro's lead doesn't matter for your workload.
Last verified . 5 shared benchmarks.
Alibaba (Qwen)Summary
- They share 5 benchmarks with published results for both. GPT-5.5 Pro scores higher in 3 categories and Qwen Plus in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.5 Pro leads 84.0 to 23.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.5 Pro and 17.8% for Qwen Plus.
- Qwen Plus is cheaper at $0.40 / $1.20 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 | Qwen Plus | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 64.3 | 37.1 |
| Released | 2026-04-23 | 2024-01-25 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 128K | 33K |
| Input $ / M tokens | $30 | $0.40 |
| Output $ / M tokens | $180 | $1.20 |
| Results tracked | 14 | 20 |
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Category by category
Coding Not comparable
GPT-5.5 Pro: —, Qwen Plus: 38.9 (#167)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| LMArena Coding | — | 1328 |
Reasoning GPT-5.5 Pro leads
GPT-5.5 Pro: 73.3 (#10), Qwen Plus: 28.4 (#107)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| DTBench | 96% | 81.1% |
| LMCA | 53.9% | 24% |
| ARC-AGI-2 | 84.6% | — |
| SimpleBench | 76.9% | — |
| Kagi LLM Benchmark | — | 63.3% |
| ARC-AGI-1 | 96.5% | — |
| CritPt | 30.6% | — |
| Chess Puzzles | 64% | — |
| LMArena Hard Prompts | — | 1317 |
| Epoch Capabilities Index | 162.07 | — |
Math GPT-5.5 Pro leads
GPT-5.5 Pro: 84.0 (#10), Qwen Plus: 23.3 (#271)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 17.8% |
| FrontierMath (Feb 2025 set) | 52.4% | 1.7% |
| FrontierMath (Tiers 1-3) | 87.7% | — |
| FrontierMath Tier 4 | 78% | — |
| LMArena Math | — | 1326 |
| MATH Level 5 | — | 65.3% |
| FrontierMath Tier 4 (v1) | 39.6% | — |
Knowledge GPT-5.5 Pro leads
GPT-5.5 Pro: 64.1 (#19), Qwen Plus: 27.4 (#251)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| GPQA Diamond | 93.9% | 48.1% |
| LMArena Expert | — | 1328 |
Multilingual Not comparable
GPT-5.5 Pro: —, Qwen Plus: 45.1 (#175)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| LMArena Non-English | — | 1310 |
| LMArena Chinese | — | 1347 |
| LMArena Japanese | — | 1251 |
| LMArena Russian | — | 1323 |
Instruction Following Not comparable
GPT-5.5 Pro: —, Qwen Plus: 68.8 (#181)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | — | 1303 |
Long Context Not comparable
GPT-5.5 Pro: —, Qwen Plus: 40.3 (#158)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| LMArena Longer Query | — | 1324 |
Writing & Preference Not comparable
GPT-5.5 Pro: —, Qwen Plus: 52.2 (#176)
| Benchmark | GPT-5.5 Pro | Qwen Plus |
|---|---|---|
| LMArena Text | — | 1326 |
| LMArena Creative Writing | — | 1293 |
| LMArena Multi-Turn | — | 1336 |
Frequently asked questions
Is GPT-5.5 Pro better than Qwen Plus?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 37.1 on the Noometry Index. Qwen Plus costs 112× 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 Qwen Plus?
Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 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 Qwen Plus share?
5 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Qwen Plus has 20.