# Gemini 2.5 Pro vs Qwen3.5 Plus

> Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 42.3 on the Noometry Index. Qwen3.5 Plus costs 3.8× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-2-5-pro-vs-qwen3-5-plus
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 2 categories and Qwen3.5 Plus in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.5 Pro leads 59.7 to 42.9.
- Qwen3.5 Plus is cheaper at $0.40 / $2.40 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
- Gemini 2.5 Pro accepts more context: 1.05M tokens versus 1M.

## Snapshot

| | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| Provider | Google | Alibaba (Qwen) |
| Noometry Index | 44.9 | 42.3 |
| Rank | 67 | 103 |
| Context | 1.05M | 1M |
| Input $/M | $1.25 | $0.40 |
| Output $/M | $10 | $2.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.5 Pro: 42.8 (#86)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| ALE-Bench | 785.52 | 621.92 |
| SWE-bench Verified | 57.6% | — |
| SWE-bench Verified (bash only) | 53.6% | — |
| Aider Polyglot | 83.1% | — |
| LMArena WebDev | 1227 | — |
| SciCode | 42.8% | — |
| GSO | 3.9% | — |
| WeirdML | 54% | — |
| LiveBench Coding | 85.9% | — |
| LMArena Coding | 1452 | — |
| CadEval | 64% | — |
| AlgoTune | 1.51 | — |

## Agentic & Tool Use

- Gemini 2.5 Pro: 29.1 (#81)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| Vending-Bench 2 | 573.64 | 0.54 |
| Terminal-Bench | 32.6% | — |
| GDPval | 23.3% | — |
| Remote Labor Index | 0.8% | — |
| TheAgentCompany | 30.3% | — |
| τ²-bench Banking | 13.7% | — |
| DeepResearch Bench | 42.8% | — |
| BALROG | 43.3% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 55.4% | — |

## Reasoning

- Gemini 2.5 Pro: 28.8 (#85)
- Qwen3.5 Plus: 32.0 (#67)

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 20% | 22% |
| DTBench | 82.4% | 80.5% |
| LMCA | 34.8% | 36.4% |
| Epoch Capabilities Index | 145.32 | 146.79 |
| ARC-AGI-2 | 4.9% | — |
| SimpleBench | 62.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 41% | — |
| CritPt | 2% | — |
| EnigmaEval | 5.6% | — |
| LiveBench Reasoning | 89.8% | — |
| LMArena Hard Prompts | 1455 | — |
| Mystery Game Puzzles | — | 17% |
| LiveBench Data Analysis | 79.9% | — |
| ForecastBench | 61.3 | — |
| LiveBench | 82.3% | — |

## Math

- Gemini 2.5 Pro: 31.9 (#191)
- Qwen3.5 Plus: 47.9 (#55)

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 84.7% | 86.7% |
| FrontierMath (Feb 2025 set) | 14.1% | 21% |
| FrontierMath Tier 4 (v1) | 4.2% | 2.1% |
| FrontierMath (Tiers 1-3) | 24.6% | — |
| FrontierMath Tier 4 | 0% | — |
| Omni-MATH | 41.6% | — |
| LiveBench Math | 90.2% | — |
| LMArena Math | 1450 | — |
| MATH Level 5 | 95.9% | — |

## Knowledge

- Gemini 2.5 Pro: 55.8 (#41)
- Qwen3.5 Plus: 46.0 (#78)

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 85.3% | 84.8% |
| Vectara Hallucination Rate | 7% | 10.7% |
| Humanity's Last Exam | 21.6% | — |
| SimpleQA Verified | — | 25.4% |
| MMLU-Pro | 86.3% | — |
| Confabulations | 10.6% | — |
| GPQA (HELM) | 74.9% | — |
| LMArena Expert | 1452 | — |

## Multimodal

- Gemini 2.5 Pro: 44.5 (#16)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| LMArena Vision | 1263 | — |
| GeoBench | 86% | — |
| VPCT | 48% | — |
| LMArena Document | 1421 | — |
| SpatialViz-Bench | 44.7% | — |

## Multilingual

- Gemini 2.5 Pro: 55.5 (#30)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1452 | — |
| LMArena Chinese | 1507 | — |
| LMArena French | 1473 | — |
| LMArena German | 1487 | — |
| LMArena Japanese | 1462 | — |
| LMArena Korean | 1435 | — |
| LMArena Russian | 1460 | — |
| LMArena Spanish | 1473 | — |

## Instruction Following

- Gemini 2.5 Pro: 75.2 (#71)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| LiveBench Instruction Following | 80.6% | — |
| IFEval | 84% | — |
| LMArena Instruction Following | 1436 | — |

## Long Context

- Gemini 2.5 Pro: 59.7 (#5)
- Qwen3.5 Plus: 42.9 (#109)

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| Fiction.LiveBench | 91.7% | — |
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1449 | — |

## Writing & Preference

- Gemini 2.5 Pro: 63.9 (#60)
- Qwen3.5 Plus: —

| Benchmark | Gemini 2.5 Pro | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1458 | — |
| LMArena Creative Writing | 1453 | — |
| Short-Story Creative Writing | 83.8% | — |
| EQ-Bench Creative Writing | 1421 | — |
| WildBench | 85.7% | — |
| LMArena Multi-Turn | 1453 | — |
| LiveBench Language | 67.8% | — |

## FAQ

### Is Gemini 2.5 Pro better than Qwen3.5 Plus?

Gemini 2.5 Pro is the stronger model overall, scoring 44.9 to 42.3 on the Noometry Index. Qwen3.5 Plus costs 3.8× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

### Which is cheaper, Gemini 2.5 Pro or Qwen3.5 Plus?

Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

### Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 1M.

### How many benchmarks do Gemini 2.5 Pro and Qwen3.5 Plus share?

11 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Qwen3.5 Plus has 15.