Model comparison
GPT-5.5 Pro vs Qwen3-4B
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.5 on the Noometry Index.
Last verified . 3 shared benchmarks.
Alibaba (Qwen)Summary
- They share 3 benchmarks with published results for both. GPT-5.5 Pro scores higher in 3 categories and Qwen3-4B in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.5 Pro leads 83.8 to 28.5.
- The biggest single-benchmark swing is Chess Puzzles: 64% for GPT-5.5 Pro and 4% for Qwen3-4B.
- Qwen3-4B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.5 Pro | Qwen3-4B | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 64.3 | 31.5 |
| Released | 2026-04-23 | 2025-04-29 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $30 | — |
| Output $ / M tokens | $180 | — |
| Results tracked | 14 | 6 |
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Category by category
Agentic & Tool Use Not comparable
GPT-5.5 Pro: —, Qwen3-4B: 27.3 (#94)
| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |
Reasoning GPT-5.5 Pro leads
GPT-5.5 Pro: 73.6 (#7), Qwen3-4B: 18.5 (#264)
| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| Chess Puzzles | 64% | 4% |
| ARC-AGI-2 | 84.6% | — |
| SimpleBench | 76.9% | — |
| ARC-AGI-1 | 96.5% | — |
| CritPt | 30.6% | — |
| DTBench | 96% | — |
| LMCA | 53.9% | — |
| Epoch Capabilities Index | 162.45 | — |
Math GPT-5.5 Pro leads
GPT-5.5 Pro: 83.8 (#8), Qwen3-4B: 28.5 (#228)
| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 52.2% |
| FrontierMath (Tiers 1-3) | 87.7% | — |
| FrontierMath Tier 4 | 78% | — |
| MathArena Final-Answer Competitions | — | 38.5% |
| FrontierMath (Feb 2025 set) | 52.4% | — |
| FrontierMath Tier 4 (v1) | 39.6% | — |
Knowledge GPT-5.5 Pro leads
GPT-5.5 Pro: 64.2 (#17), Qwen3-4B: 33.0 (#198)
| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| GPQA Diamond | 93.9% | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
Frequently asked questions
Is GPT-5.5 Pro better than Qwen3-4B?
GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.5 on the Noometry Index.
How many benchmarks do GPT-5.5 Pro and Qwen3-4B share?
3 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Qwen3-4B has 6.