# Gemma 4 31B vs Qwen3.5-27B

> Side-by-side benchmark comparison for Gemma 4 31B and Qwen3.5-27B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-qwen3-5-27b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Qwen3.5-27B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Qwen3.5-27B has the higher overall point estimate 48.33 to 41.07. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 70.2 for Gemma 4 31B and 52.7 for Qwen3.5-27B.
- The biggest single benchmark swing is SWE-Rebench in Coding, with scores of 41.6% and 58.9%.
- Qwen3.5-27B also has the larger context window at 262K.

## Model Snapshot

| Property | Gemma 4 31B | Qwen3.5-27B |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 262K |
| Overall Score | 41.07 | 48.33 |
| Benchmarks Covered | 8 | 16 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemma 4 31B public-lane score: 18.9 (Estimated · #100/119)
- Qwen3.5-27B public-lane score: 35.1 (Estimated · #70/119)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 35.26% | 39.41% | Qwen3.5-27B |
| 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: Directional only
- Gemma 4 31B public-lane score: 34.4 (Supported · #84/144)
- Qwen3.5-27B public-lane score: 34.9 (Estimated · #83/144)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| SWE-Rebench | 41.6% | 58.9% | Qwen3.5-27B |
| React Native Evals | 75.2% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 72.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemma 4 31B public-lane score: 70.2 (Unranked · 2 rankable rows)
- Qwen3.5-27B public-lane score: 52.7 (Unranked · 3 rankable rows)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 60.6% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Gemma 4 31B public-lane score: 59.5 (#31/49)
- Qwen3.5-27B public-lane score: 71.6 (Unranked · 3 rankable rows)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 76.9% | Coming soon | Coming soon |
| 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: Qwen3.5-27B
- Gemma 4 31B public-lane score: 38.5 (Supported · #104/171)
- Qwen3.5-27B public-lane score: 44.4 (Supported · #83/171)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | 85.5% | Qwen3.5-27B |
| MMLU-Pro | 85.2% | 86.1% | Qwen3.5-27B |
| HLE | 26.5% | Coming soon | Coming soon |
| HLE w/o tools | 19.5% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 65.6% | Coming soon |

### Multilingual

- Winner: Not comparable
- Gemma 4 31B public-lane score: Coming soon
- Qwen3.5-27B public-lane score: 87.1 (#10/16)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.2% | Coming soon |

### Instruction Following

- Winner: Directional only
- Gemma 4 31B public-lane score: 91.5 (#13/125)
- Qwen3.5-27B public-lane score: 91.5 (#12/125)

| Benchmark | Gemma 4 31B | Qwen3.5-27B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 95% | Coming soon |

## FAQ

### Which is better overall, Gemma 4 31B or Qwen3.5-27B?

Qwen3.5-27B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemma 4 31B and Qwen3.5-27B?

The widest category gap is in reasoning, where the averages are 70.2 for Gemma 4 31B and 52.7 for Qwen3.5-27B.

### How many benchmarks does Gemma 4 31B cover on BenchLM?

Gemma 4 31B currently has 8 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5-27B cover on BenchLM?

Qwen3.5-27B currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [Qwen3.5-27B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-qwen3-5-27b)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Qwen3.5-27B vs Gemma 4 12B](/compare/gemma-4-12b-vs-qwen3-5-27b)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [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)