# Gemini 2.5 Pro vs Qwen3.5-27B

> Side-by-side benchmark comparison for Gemini 2.5 Pro and Qwen3.5-27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-2-5-pro-vs-qwen3-5-27b
- Last updated: September 28, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemini 2.5 Pro and Qwen3.5-27B share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3.5-27B has the lower published output-token price.
- Gemini 2.5 Pro has the larger published context window at 1M.

## Model Snapshot

| Property | Gemini 2.5 Pro | Qwen3.5-27B |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 262K |
| Independent public score (not head-to-head) | 50.23 | 43.76 |
| Benchmarks Covered | 8 | 16 |
| Pricing (input/output) | $1.25 / $10.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 25.2 (Estimated · #91/117)
- Qwen3.5-27B public-lane score: 32.5 (Estimated · #74/117)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 42.01% | 39.41% | Gemini 2.5 Pro |
| Terminal-Bench 2.0 | Coming soon | 41.6% | Coming soon |
| BrowseComp | Coming soon | 61% | Coming soon |
| OSWorld-Verified | Coming soon | 56.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 24.4 (Supported · #107/142)
- Qwen3.5-27B public-lane score: 32.4 (Estimated · #86/142)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 63.8% | 72.4% | Qwen3.5-27B |
| Vibe Code Bench | 0.40% | Coming soon | Coming soon |
| SWE-bench (Vals) | 54.4% | Coming soon | Coming soon |
| SWE-Rebench | Coming soon | 58.9% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 69.7 (Unranked · 2 rankable rows)
- Qwen3.5-27B public-lane score: 52.7 (Unranked · 3 rankable rows)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 60.6% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 71.4 (Unranked · 1 rankable row)
- Qwen3.5-27B public-lane score: 71.6 (Unranked · 3 rankable rows)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 82.3% | Coming soon |
| MMVU | Coming soon | 73.3% | Coming soon |
| MathVision | Coming soon | 86.0% | Coming soon |
| V* | Coming soon | 93.7% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 44.3 (Supported · #79/168)
- Qwen3.5-27B public-lane score: 42.3 (Supported · #87/168)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 83% | 85.5% | Qwen3.5-27B |
| HLE | 18.8% | Coming soon | Coming soon |
| MMLU-Pro | Coming soon | 86.1% | Coming soon |
| SuperGPQA | Coming soon | 65.6% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 36.8 (#9/12)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 56.4 (#76/124)
- Qwen3.5-27B public-lane score: 91.5 (#13/124)

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 95% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Gemini 2.5 Pro public-lane score: 35.1 (Unranked · 2 rankable rows)
- Qwen3.5-27B public-lane score: Coming soon

| Benchmark | Gemini 2.5 Pro | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 14.138% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemini 2.5 Pro and Qwen3.5-27B?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Gemini 2.5 Pro vs GPT-6 Astra](/compare/gemini-2-5-pro-vs-gpt-6-astra)
- [Qwen3.5-27B vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-5-27b)
- [Gemini 2.5 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-2-5-pro)
- [Qwen3.5-27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-27b)

## Explore More

- [Gemini 2.5 Pro profile](/models/gemini-2-5-pro)
- [Qwen3.5-27B profile](/models/qwen3-5-27b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
