# GPT-5.5 Pro vs Qwen2.5 Plus 1127

> GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 38.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-pro-vs-qwen2-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where GPT-5.5 Pro leads 83.8 to 33.5.

## Snapshot

| | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 64.3 | 38.1 |
| Rank | 7 | 179 |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.5 Pro: —
- Qwen2.5 Plus 1127: 37.9 (#171)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Coding | — | 1314 |

## Reasoning

- GPT-5.5 Pro: 73.6 (#7)
- Qwen2.5 Plus 1127: 24.8 (#139)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| ARC-AGI-2 | 84.6% | — |
| SimpleBench | 76.9% | — |
| ARC-AGI-1 | 96.5% | — |
| CritPt | 30.6% | — |
| Chess Puzzles | 64% | — |
| LMArena Hard Prompts | — | 1299 |
| DTBench | 96% | — |
| LMCA | 53.9% | — |
| Epoch Capabilities Index | 162.45 | — |

## Math

- GPT-5.5 Pro: 83.8 (#8)
- Qwen2.5 Plus 1127: 33.5 (#175)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 87.7% | — |
| FrontierMath Tier 4 | 78% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| LMArena Math | — | 1298 |
| FrontierMath (Feb 2025 set) | 52.4% | — |
| FrontierMath Tier 4 (v1) | 39.6% | — |

## Knowledge

- GPT-5.5 Pro: 64.2 (#17)
- Qwen2.5 Plus 1127: 34.9 (#179)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| GPQA Diamond | 93.9% | — |
| LMArena Expert | — | 1289 |

## Multilingual

- GPT-5.5 Pro: —
- Qwen2.5 Plus 1127: 42.1 (#196)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Non-English | — | 1265 |
| LMArena Chinese | — | 1314 |
| LMArena German | — | 1231 |
| LMArena Japanese | — | 1207 |
| LMArena Russian | — | 1271 |

## Instruction Following

- GPT-5.5 Pro: —
- Qwen2.5 Plus 1127: 67.4 (#194)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Instruction Following | — | 1275 |

## Long Context

- GPT-5.5 Pro: —
- Qwen2.5 Plus 1127: 39.2 (#180)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Longer Query | — | 1292 |

## Writing & Preference

- GPT-5.5 Pro: —
- Qwen2.5 Plus 1127: 49.5 (#186)

| Benchmark | GPT-5.5 Pro | Qwen2.5 Plus 1127 |
|---|---|---|
| LMArena Text | — | 1299 |
| LMArena Creative Writing | — | 1262 |
| LMArena Multi-Turn | — | 1299 |

## FAQ

### Is GPT-5.5 Pro better than Qwen2.5 Plus 1127?

GPT-5.5 Pro is the stronger model overall, scoring 64.3 to 38.1 on the Noometry Index.

### How many benchmarks do GPT-5.5 Pro and Qwen2.5 Plus 1127 share?

0 benchmarks have published results for both models. GPT-5.5 Pro has 14 scored results on Noometry and Qwen2.5 Plus 1127 has 14.