# Gemma 4 12B vs Qwen3.5 397B

> Side-by-side benchmark comparison for Gemma 4 12B and Qwen3.5 397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-12b-vs-qwen3-5-397b
- Last updated: September 4, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Qwen3.5 397B if you want the stronger benchmark profile. Gemma 4 12B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.5 397B leads overall 56.44 to 46.64.
- The clearest category separation is in instruction following, where the averages are 89.8 for Gemma 4 12B and 0 for Qwen3.5 397B.
- The biggest single benchmark swing is AIME26 in Mathematics, with scores of 77.5% and 93.3%.
- Gemma 4 12B also has the larger context window at 256K.

## Model Snapshot

| Property | Gemma 4 12B | Qwen3.5 397B |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 256K | 128K |
| Overall Score | 46.64 | 56.44 |
| Benchmarks Covered | 12 | 38 |
| Pricing (input/output) | N/A | $0.60 / $3.60 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemma 4 12B public-lane score: 47.9 (Estimated · #81/151)
- Qwen3.5 397B public-lane score: 48.2 (Estimated · #77/151)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | Coming soon | 52.5% | Coming soon |
| BrowseComp | Coming soon | 62% | Coming soon |
| Claw-Eval | Coming soon | 56.8% | Coming soon |
| QwenClawBench | Coming soon | 51.8% | Coming soon |
| τ³-bench results | Coming soon | 68.4% | Coming soon |
| VITA-Bench | Coming soon | 43.7% | Coming soon |
| DeepPlanning | Coming soon | 37.6% | Coming soon |
| Toolathlon | Coming soon | 36.3% | Coming soon |
| MCP Atlas | Coming soon | 46.1% | Coming soon |
| MCP-Tasks | Coming soon | 74.2% | Coming soon |
| WideResearch | Coming soon | 74.0% | Coming soon |
| Gert Labs | Coming soon | 46.76% | Coming soon |
| ResearchClawBench | Coming soon | 14.2% | Coming soon |

### Coding

- Winner: Coming soon
- Gemma 4 12B public-lane score: 46.6 (Estimated · #97/183)
- Qwen3.5 397B public-lane score: 52.4 (Estimated · #56/183)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 72.0% | 83.6% | Qwen3.5 397B |
| SWE-bench Verified | Coming soon | 76.2% | Coming soon |
| SWE-bench Pro | Coming soon | 50.9% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Gemma 4 12B public-lane score: 26.1 (#44/48)
- Qwen3.5 397B public-lane score: 63 (#27/48)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 69.1% | 79% | Qwen3.5 397B |
| MathVision | 79.7% | 88.6% | Qwen3.5 397B |
| MedXpertQA (MM) | 48.7% | Coming soon | Coming soon |
| CharXiv | Coming soon | 80.8% | Coming soon |
| VideoMMMU | Coming soon | 84.7% | Coming soon |
| ScreenSpot Pro | Coming soon | 65.6% | Coming soon |
| V* | Coming soon | 95.8% | Coming soon |

### Reasoning

- Winner: Coming soon
- Gemma 4 12B public-lane score: 34 (Unranked · 4 rankable rows)
- Qwen3.5 397B public-lane score: 59.8 (Unranked · 2 rankable rows)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| BBH | 53% | Coming soon | Coming soon |
| MRCRv2 | 43.4% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 63.2% | Coming soon |
| AI-Needle | Coming soon | 68.7% | Coming soon |

### Knowledge

- Winner: Coming soon
- Gemma 4 12B public-lane score: 40.4 (Supported · #138/181)
- Qwen3.5 397B public-lane score: 51.6 (Estimated · #80/181)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 78.8% | 88.4% | Qwen3.5 397B |
| GPQA-D | 78.8% | Coming soon | Coming soon |
| MMLU-Pro | 77.2% | 87.8% | Qwen3.5 397B |
| HLE w/o tools | 5.2% | Coming soon | Coming soon |
| MMMLU | 83.4% | Coming soon | Coming soon |
| SuperGPQA | Coming soon | 70.4% | Coming soon |
| MMLU-Redux | Coming soon | 94.9% | Coming soon |
| C-Eval | Coming soon | 93% | Coming soon |
| HLE | Coming soon | 28.7% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemma 4 12B public-lane score: 89.8 (#21/120)
- Qwen3.5 397B public-lane score: 0 (#120/120)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.6% | Coming soon |

### Multilingual

- Winner: Coming soon
- Gemma 4 12B public-lane score: Coming soon
- Qwen3.5 397B public-lane score: 69.7 (#5/12)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 59.1% | Coming soon |

### Mathematics

- Winner: Coming soon
- Gemma 4 12B public-lane score: 57.6 (Unranked · 1 rankable row)
- Qwen3.5 397B public-lane score: 74.2 (Unranked · 5 rankable rows)

| Benchmark | Gemma 4 12B | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 77.5% | 93.3% | Qwen3.5 397B |
| HMMT Feb 2025 | Coming soon | 94.8% | Coming soon |
| HMMT Nov 2025 | Coming soon | 92.7% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.9% | Coming soon |
| MMAnswerBench | Coming soon | 80.9% | Coming soon |

## FAQ

### Which is better overall, Gemma 4 12B or Qwen3.5 397B?

Qwen3.5 397B is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemma 4 12B and Qwen3.5 397B?

The widest category gap is in instruction following, where the averages are 89.8 for Gemma 4 12B and 0 for Qwen3.5 397B.

### How many benchmarks does Gemma 4 12B cover on BenchLM?

Gemma 4 12B currently has 12 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.5 397B cover on BenchLM?

Qwen3.5 397B currently has 38 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemma 4 12B vs Gemma 4 31B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Qwen3.5 397B vs Gemma 4 31B](/compare/gemma-4-31b-vs-qwen3-5-397b)
- [Gemma 4 12B vs Gemma 4 26B A4B](/compare/gemma-4-12b-vs-gemma-4-26b-a4b)
- [Qwen3.5 397B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-qwen3-5-397b)

## Explore More

- [Gemma 4 12B profile](/models/gemma-4-12b)
- [Qwen3.5 397B profile](/models/qwen3-5-397b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)