# Gemini 3.1 Pro vs GLM-5.2

> Side-by-side benchmark comparison for Gemini 3.1 Pro and GLM-5.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-1-pro-vs-glm-5-2
- Last updated: September 14, 2026

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

## Quick Verdict

Pick Gemini 3.1 Pro if you want the stronger benchmark profile. GLM-5.2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Gemini 3.1 Pro leads overall 70.03 to 68.19.
- The clearest category separation is in mathematics, where the averages are 54.3 for Gemini 3.1 Pro and 80.7 for GLM-5.2.
- The biggest single benchmark swing is LiveCodeBench (Vals) in Coding, with scores of 88.5% and 69.5%.
- GLM-5.2 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 3.1 Pro | GLM-5.2 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 70.03 | 68.19 |
| Benchmarks Covered | 28 | 25 |
| Pricing (input/output) | $2.00 / $12.00 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: GLM-5.2
- Gemini 3.1 Pro public-lane score: 38.9 (Supported · #122/153)
- GLM-5.2 public-lane score: 58.5 (Supported · #29/153)

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 57.8% | Coming soon | Coming soon |
| DeepSearchQA | 69.7% | Coming soon | Coming soon |
| τ²-bench results | 95.6% | Coming soon | Coming soon |
| Gert Labs | 56.87% | Coming soon | Coming soon |
| ResearchClawBench | 13.3% | 20.7% | GLM-5.2 |
| Terminal-Bench 2.1 (Vals) | 70.8% | 67.8% | Gemini 3.1 Pro |
| Terminal-Bench 3.0 | Coming soon | 4.6% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 81% | Coming soon |
| MCP Atlas | Coming soon | 76.8% | Coming soon |
| Toolathlon | Coming soon | 48.2% | Coming soon |

### Coding

- Winner: GLM-5.2
- Gemini 3.1 Pro public-lane score: 46.4 (Supported · #83/152)
- GLM-5.2 public-lane score: 61 (Supported · #19/152)

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | 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% | 69.5% | Gemini 3.1 Pro |
| SWE-bench (Vals) | 78.8% | 82.8% | GLM-5.2 |
| SWE-bench Pro | Coming soon | 62.1% | Coming soon |
| NL2Repo | Coming soon | 48.9% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 81.0% | Coming soon |
| ProgramBench | Coming soon | 63.7% | Coming soon |
| cursorBench32 | Coming soon | 55.0% | Coming soon |
| OpenHarmony Bench | Coming soon | 58.4% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 79.2 (#12/48)
- GLM-5.2 public-lane score: Coming soon

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 83.9% | Coming soon | Coming soon |
| CharXiv | 80.2% | Coming soon | Coming soon |
| ERQA | 69.4% | Coming soon | Coming soon |
| SimpleVQA | 72.4% | Coming soon | Coming soon |
| ScreenSpot Pro | 84.4% | Coming soon | Coming soon |
| ZeroBench | 29.0% | Coming soon | Coming soon |
| MedXpertQA (MM) | 81.3% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 50.6 (Unranked · 2 rankable rows)
- GLM-5.2 public-lane score: 74.8 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 77.1% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.4% | Coming soon | Coming soon |
| CritPt | Coming soon | 20.9% | Coming soon |

### Knowledge

- Winner: Gemini 3.1 Pro
- Gemini 3.1 Pro public-lane score: 66 (Supported · #21/183)
- GLM-5.2 public-lane score: 60.7 (Supported · #35/183)

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 94.3% | 91.2% | Gemini 3.1 Pro |
| HLE w/o tools | 45.4% | 40.5% | Gemini 3.1 Pro |
| HealthBench Hard | 20.6% | Coming soon | Coming soon |
| MedXpertQA (Text) | 71.5% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 95.5% | 85.6% | Gemini 3.1 Pro |
| MMLU-Pro (Vals) | 91.0% | 86.7% | Gemini 3.1 Pro |
| GPQA | Coming soon | 91.2% | Coming soon |
| HLE | Coming soon | 54.7% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: Coming soon
- GLM-5.2 public-lane score: 89.8 (#22/123)

### Mathematics

- Winner: Coming soon
- Gemini 3.1 Pro public-lane score: 54.3 (Unranked · 2 rankable rows)
- GLM-5.2 public-lane score: 80.7 (Unranked · 4 rankable rows)

| Benchmark | Gemini 3.1 Pro | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 36.900% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 16.700% | Coming soon | Coming soon |
| AIME26 | Coming soon | 99.2% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.4% | Coming soon |
| HMMT Feb 2026 | Coming soon | 92.5% | Coming soon |
| MMAnswerBench | Coming soon | 91.0% | Coming soon |

## FAQ

### Which is better overall, Gemini 3.1 Pro or GLM-5.2?

Gemini 3.1 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.1 Pro and GLM-5.2?

The widest category gap is in mathematics, where the averages are 54.3 for Gemini 3.1 Pro and 80.7 for GLM-5.2.

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

Gemini 3.1 Pro currently has 28 sourced benchmark scores on BenchLM.

### How many benchmarks does GLM-5.2 cover on BenchLM?

GLM-5.2 currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Gemini 3.1 Pro vs GLM-5.3](/compare/gemini-3-1-pro-vs-glm-5-3)
- [GLM-5.2 vs GLM-5.3](/compare/glm-5-2-vs-glm-5-3)
- [Gemini 3.1 Pro vs GLM-5.3-Flash](/compare/gemini-3-1-pro-vs-glm-5-3-flash)
- [GLM-5.2 vs GLM-5.3-Flash](/compare/glm-5-2-vs-glm-5-3-flash)

## Explore More

- [Gemini 3.1 Pro profile](/models/gemini-3-1-pro)
- [GLM-5.2 profile](/models/glm-5-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)