# GPT-5.5 vs Qwen2.5 7B Instruct

> GPT-5.5 is the stronger model overall, scoring 63.4 to 28.6 on the Noometry Index. Qwen2.5 7B Instruct costs 37× less per token, which makes it the better buy when GPT-5.5's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-5-vs-qwen2-5-7b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both. GPT-5.5 scores higher in 7 categories and Qwen2.5 7B Instruct in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.5 leads 81.5 to 11.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 100% for GPT-5.5 and 2.5% for Qwen2.5 7B Instruct.
- Qwen2.5 7B Instruct is cheaper at $0.17 / $0.70 per million input/output tokens, against $5 / $30 for GPT-5.5.
- GPT-5.5 accepts more context: 1.05M tokens versus 131K.
- Qwen2.5 7B Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 63.4 | 28.6 |
| Rank | 8 | 314 |
| Context | 1.05M | 131K |
| Input $/M | $5 | $0.17 |
| Output $/M | $30 | $0.70 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.5: 58.3 (#13)
- Qwen2.5 7B Instruct: 35.9 (#204)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| SWE-bench Verified | 80.6% | — |
| DeepSWE | 67% | — |
| FrontierCode | 43% | — |
| LMArena WebDev | 1512 | — |
| SciCode | 56.1% | — |
| GSO | 40.2% | — |
| WeirdML | 84.9% | — |
| BigCodeBench Instruct | — | 37.6% |
| LMArena Coding | 1494 | — |
| MirrorCode | 10% | — |
| BigCodeBench Complete | — | 46.1% |
| ALE-Bench | 1,943 | — |

## Agentic & Tool Use

- GPT-5.5: 50.7 (#6)
- Qwen2.5 7B Instruct: 23.5 (#117)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| Terminal-Bench | 84.7% | — |
| APEX-Agents | 55.1% | — |
| OSWorld 2.0 | 13% | — |
| Remote Labor Index | 6.3% | — |
| τ²-bench Banking | 44.6% | — |
| DeepResearch Bench | 54% | — |
| PostTrainBench | 27.2% | — |
| BALROG | — | 7.8% |
| ExploitBench | 47.4% | — |
| GBAEval | 53.2% | — |
| GDP.pdf | 26% | — |
| LMArena Search | 1242 | — |
| Vending-Bench 2 | 7,524 | — |

## Reasoning

- GPT-5.5: 72.7 (#8)
- Qwen2.5 7B Instruct: 14.3 (#317)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| Chess Puzzles | 54% | 0% |
| DTBench | 96% | 47.7% |
| LMCA | 54.3% | 6.4% |
| Epoch Capabilities Index | 159.25 | 118.44 |
| ARC-AGI-2 | 85% | — |
| SimpleBench | 69% | — |
| Kagi LLM Benchmark | 88.8% | — |
| NYT Connections (extended) | 96.2% | — |
| ARC-AGI-1 | 95% | — |
| CritPt | 27.1% | — |
| EBR-Bench | 34.3% | — |
| LMArena Hard Prompts | 1489 | — |
| Mystery Game Puzzles | 56% | — |
| Surface Evolver Bench | 88.1% | — |
| Bench to the Future 3 | 0.14 | — |
| ForecastBench | 60.6 | — |

## Math

- GPT-5.5: 81.5 (#9)
- Qwen2.5 7B Instruct: 11.8 (#300)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 100% | 2.5% |
| FrontierMath (Tiers 1-3) | 85.3% | — |
| FrontierMath Tier 4 | 72.5% | — |
| MathArena Final-Answer Competitions | 94.3% | — |
| ProofBench | 50% | — |
| Omni-MATH | — | 29.4% |
| LMArena Math | 1486 | — |
| FrontierMath (Feb 2025 set) | 51.7% | — |
| FrontierMath Erdős | 0% | — |
| FrontierMath Tier 4 (v1) | 35.4% | — |

## Knowledge

- GPT-5.5: 64.4 (#14)
- Qwen2.5 7B Instruct: 17.0 (#281)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| GPQA Diamond | 94% | 35.5% |
| SimpleQA Verified | 63% | — |
| MMLU-Pro | — | 53.9% |
| Vectara Hallucination Rate | 9.3% | — |
| GPQA (HELM) | — | 34.1% |
| LMArena Expert | 1508 | — |
| MMLU | — | 72.9% |

## Multimodal

- GPT-5.5: 47.1 (#11)
- Qwen2.5 7B Instruct: —

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Vision | 1297 | — |
| Blueprint-Bench 2 | 36.2% | — |
| Furniture Assembly | 44.2% | — |
| LMArena Document | 1486 | — |

## Multilingual

- GPT-5.5: 56.5 (#19)
- Qwen2.5 7B Instruct: —

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Non-English | 1467 | — |
| LMArena Chinese | 1535 | — |
| LMArena French | 1486 | — |
| LMArena German | 1478 | — |
| LMArena Japanese | 1498 | — |
| LMArena Korean | 1461 | — |
| LMArena Russian | 1473 | — |
| LMArena Spanish | 1469 | — |

## Instruction Following

- GPT-5.5: 77.7 (#18)
- Qwen2.5 7B Instruct: 63.4 (#226)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| IFEval | — | 74.1% |
| LMArena Instruction Following | 1479 | — |

## Long Context

- GPT-5.5: 48.3 (#12)
- Qwen2.5 7B Instruct: —

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| CL-bench Life | 22.2% | — |
| LMArena Longer Query | 1484 | — |

## Writing & Preference

- GPT-5.5: 72.8 (#13)
- Qwen2.5 7B Instruct: 48.8 (#194)

| Benchmark | GPT-5.5 | Qwen2.5 7B Instruct |
|---|---|---|
| LMArena Text | 1471 | — |
| LMArena Creative Writing | 1455 | — |
| EQ-Bench Creative Writing | 1844 | — |
| WildBench | — | 73.1% |
| EQ-Bench 4 | 1315 | — |
| LMArena Multi-Turn | 1477 | — |

## FAQ

### Is GPT-5.5 better than Qwen2.5 7B Instruct?

GPT-5.5 is the stronger model overall, scoring 63.4 to 28.6 on the Noometry Index. Qwen2.5 7B Instruct costs 37× less per token, which makes it the better buy when GPT-5.5's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.5 or Qwen2.5 7B Instruct?

Qwen2.5 7B Instruct is cheaper. It lists at $0.17 per million input tokens and $0.70 per million output tokens; GPT-5.5 lists at $5 and $30.

### Is GPT-5.5 or Qwen2.5 7B Instruct better for coding?

GPT-5.5 scores higher on coding benchmarks: 58.3 versus 35.9 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.5 does, with 1.05M tokens against 131K.

### How many benchmarks do GPT-5.5 and Qwen2.5 7B Instruct share?

6 benchmarks have published results for both models. GPT-5.5 has 71 scored results on Noometry and Qwen2.5 7B Instruct has 15.