# Gemini 3.1 Pro vs Qwen3.5 397B

> Side-by-side benchmark comparison for Gemini 3.1 Pro and Qwen3.5 397B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-qwen3-5-397b
- Last updated: October 17, 2026

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

## Quick Verdict

Gemini 3.1 Pro leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Gemini 3.1 Pro has the higher overall point estimate 64.7 to 55.34. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 58.2 for Gemini 3.1 Pro and 74.9 for Qwen3.5 397B.
- The biggest single benchmark swing is ScreenSpot Pro in Multimodal & Grounded, with scores of 84.4% and 65.6%.
- Qwen3.5 397B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.1 Pro also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.1 Pro | Qwen3.5 397B |
|----------|----------|----------|
| Creator | Google | Alibaba |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 1M | 128K |
| Overall Score | 64.7 | 55.34 |
| Benchmarks Covered | 30 | 62 |
| Pricing (input/output) | $2.00 / $12.00 | $0.60 / $3.60 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Gemini 3.1 Pro public-lane score: 38.4 (Supported · #70/128)
- Qwen3.5 397B public-lane score: 43.8 (Estimated · #61/128)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | 56.8% | Gemini 3.1 Pro |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | Coming soon | Coming soon |
| Gert Labs | 56.87% | 46.76% | Gemini 3.1 Pro |
| ResearchClawBench | 13.3% | 14.2% | Qwen3.5 397B |
| Terminal-Bench 2.1 (Vals) | 70.8% | Coming soon | Coming soon |
| MazeBench | 1% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 52.5% | Coming soon |
| BrowseComp | Coming soon | 69% | Coming soon |
| OSWorld-Verified | Coming soon | 62.2% | 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 |

### Coding

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 39.2 (Supported · #67/150)
- Qwen3.5 397B public-lane score: Coming soon

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pro | 82.9% | Coming soon | Coming soon |
| React Native Evals | 78.9% | Coming soon | Coming soon |
| Vibe Code Bench | 32.03% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 88.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 78.8% | Coming soon | Coming soon |
| PostTrainBench v1.1 | 22.0% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 76.2% | Coming soon |
| LiveCodeBench v6 | Coming soon | 83.6% | Coming soon |
| SWE-bench Pro | Coming soon | 50.9% | Coming soon |
| SWE Multilingual | Coming soon | 69.3% | Coming soon |
| NL2Repo | Coming soon | 32.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 52.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 58.2 (Unranked · 2 rankable rows)
- Qwen3.5 397B public-lane score: 74.9 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.4% | Coming soon | Coming soon |
| LongBench v2 | Coming soon | 63.2% | Coming soon |
| AI-Needle | Coming soon | 68.7% | Coming soon |

### Multimodal & Grounded

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 80.1 (#17/54)
- Qwen3.5 397B public-lane score: 73.6 (#29/54)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | 79% | Gemini 3.1 Pro |
| CharXiv | 80.2% | 80.8% | Qwen3.5 397B |
| ERQA | 69.4% | 67.5% | Gemini 3.1 Pro |
| SimpleVQA | 72.4% | 67.1% | Gemini 3.1 Pro |
| ScreenSpot Pro | 84.4% | 65.6% | Gemini 3.1 Pro |
| ZeroBench | 29.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 81.3% | Coming soon | Coming soon |
| MMMU | Coming soon | 85.0% | Coming soon |
| RealWorldQA | Coming soon | 83.9% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 90.8% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 87.5% | Coming soon |
| Video-MME (w/o subtitle) | Coming soon | 83.7% | Coming soon |
| MathVision | Coming soon | 88.6% | Coming soon |
| We-Math | Coming soon | 87.9% | Coming soon |
| DynaMath | Coming soon | 86.3% | Coming soon |
| MMLongBench-Doc | Coming soon | 61.5% | Coming soon |
| CC-OCR | Coming soon | 82.0% | Coming soon |
| AI2D_TEST | Coming soon | 93.9% | Coming soon |
| CountBench | Coming soon | 97.2% | Coming soon |
| RefCOCO (avg) | Coming soon | 92.3% | Coming soon |
| ODINW13 | Coming soon | 47.0% | Coming soon |
| VideoMMMU | Coming soon | 84.7% | Coming soon |
| MLVU (M-Avg) | Coming soon | 86.7% | Coming soon |
| V* | Coming soon | 95.8% | Coming soon |

### Knowledge

- Winner: Directional only
- Gemini 3.1 Pro public-lane score: 67.6 (Supported · #26/184)
- Qwen3.5 397B public-lane score: 53.1 (Estimated · #68/184)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | Coming soon | Coming soon |
| HLE w/o tools | 45.4% | Coming soon | Coming soon |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 91.0% | Coming soon | Coming soon |
| GPQA | Coming soon | 88.4% | Coming soon |
| SuperGPQA | Coming soon | 70.4% | Coming soon |
| MMLU-Pro | Coming soon | 87.8% | Coming soon |
| MMLU-Redux | Coming soon | 94.9% | Coming soon |
| C-Eval | Coming soon | 93% | Coming soon |
| HLE | Coming soon | 28.7% | Coming soon |

### Multilingual

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: Coming soon
- Qwen3.5 397B public-lane score: 93.8 (#5/17)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 59.1% | Coming soon |
| INCLUDE | Coming soon | 85.6% | Coming soon |
| PolyMath | Coming soon | 73.3% | Coming soon |
| MAXIFE | Coming soon | 88.2% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: Coming soon
- Qwen3.5 397B public-lane score: 79.9 (#59/148)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.6% | Coming soon |
| IFBench | Coming soon | 76.5% | Coming soon |

### Mathematics

- Winner: Not comparable
- Gemini 3.1 Pro public-lane score: 65 (Unranked · 2 rankable rows)
- Qwen3.5 397B public-lane score: 81.7 (Unranked · 5 rankable rows)

| Benchmark | Gemini 3.1 Pro | Qwen3.5 397B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 59.649% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 26.829% | Coming soon | Coming soon |
| AIME26 | Coming soon | 93.3% | Coming soon |
| 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, Gemini 3.1 Pro or Qwen3.5 397B?

Gemini 3.1 Pro has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Gemini 3.1 Pro and Qwen3.5 397B?

The widest category gap is in reasoning, where the averages are 58.2 for Gemini 3.1 Pro and 74.9 for Qwen3.5 397B.

### How many benchmarks does Gemini 3.1 Pro cover on BenchLM?

Gemini 3.1 Pro currently has 30 sourced benchmark scores on BenchLM.

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

Qwen3.5 397B currently has 62 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Pro vs Qwen3.5 397B (Reasoning)](/compare/gemini-3-1-pro-vs-qwen3-5-397b-reasoning)
- [Qwen3.5 397B vs Qwen3.5 397B (Reasoning)](/compare/qwen3-5-397b-vs-qwen3-5-397b-reasoning)
- [Gemini 3.1 Pro vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gemini-3-1-pro)
- [Qwen3.5 397B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-397b)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [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)