# GPT-5.5 Pro vs Qwen3-4B

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-pro-vs-qwen3-4b
- Last updated: 2026-10-12
- Shared benchmarks: 3

## 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 84.0 to 29.7.
- 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.

## Snapshot

| | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 64.3 | 31.9 |
| Rank | 8 | 264 |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Open |

## Agentic & Tool Use

- GPT-5.5 Pro: —
- Qwen3-4B: 27.6 (#100)

| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |

## Reasoning

- GPT-5.5 Pro: 73.3 (#10)
- Qwen3-4B: 19.2 (#268)

| 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 | 162.07 | — |

## Math

- GPT-5.5 Pro: 84.0 (#10)
- Qwen3-4B: 29.7 (#240)

| 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: 64.1 (#19)
- Qwen3-4B: 33.0 (#208)

| Benchmark | GPT-5.5 Pro | Qwen3-4B |
|---|---|---|
| GPQA Diamond | 93.9% | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |

## FAQ

### Is GPT-5.5 Pro better than Qwen3-4B?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 31.9 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.