# Gemma 4 31B vs GLM-5.1

> Side-by-side benchmark comparison for Gemma 4 31B and GLM-5.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-31b-vs-glm-5-1
- Last updated: November 7, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Gemma 4 31B and GLM-5.1 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.
- Gemma 4 31B has the lower published output-token price.
- Gemma 4 31B has the larger published context window at 256K.

## Model Snapshot

| Property | Gemma 4 31B | GLM-5.1 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 203K |
| Independent public score (not head-to-head) | 29.24 | 56.2 |
| Benchmarks Covered | 13 | 27 |
| Pricing (input/output) | $0.00 / $0.00 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 12.8 (Estimated · #129/131)
- GLM-5.1 public-lane score: 45.1 (Estimated · #58/131)

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| b3 Agent Security | 83.0% | Coming soon | Coming soon |
| Cyber Misuse Refusal | 84.0% | Coming soon | Coming soon |
| Gert Labs | 35.26% | 60.11% | GLM-5.1 |
| Terminal-Bench 2.0 | Coming soon | 63.5% | Coming soon |
| BrowseComp | Coming soon | 68% | Coming soon |
| τ³-bench results | Coming soon | 70.6% | Coming soon |
| MCP Atlas | Coming soon | 71.8% | Coming soon |
| CyberGym | Coming soon | 68.7% | Coming soon |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| ResearchClawBench | Coming soon | 18.2% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 56.9% | Coming soon |
| HLE w/ tools | Coming soon | 52.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 29.9 (Supported · #107/157)
- GLM-5.1 public-lane score: 47.5 (Supported · #53/157)

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 80.0% | Coming soon | Coming soon |
| SWE-Rebench | 41.6% | 62.7% | GLM-5.1 |
| React Native Evals | 75.2% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 58.4% | Coming soon |
| NL2Repo | Coming soon | 42.7% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 63.5% | Coming soon |
| Vibe Code Bench | Coming soon | 31.46% | Coming soon |
| OpenHarmony Bench | Coming soon | 52.3% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 81.4% | Coming soon |
| SWE-bench (Vals) | Coming soon | 76.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 64 (Unranked · 3 rankable rows)
- GLM-5.1 public-lane score: 73.9 (Unranked · 2 rankable rows)

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 66.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 73.4 (#29/59)
- GLM-5.1 public-lane score: Coming soon

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| ParseBench | 62.40% | Coming soon | Coming soon |
| MMMU-Pro | 76.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 36.4 (Supported · #131/178)
- GLM-5.1 public-lane score: 52.1 (Supported · #72/178)

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 84.3% | Coming soon | Coming soon |
| MMLU-Pro | 85.2% | Coming soon | Coming soon |
| HLE | 26.5% | 31% | GLM-5.1 |
| HLE w/o tools | 19.5% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 86.2% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 84.5% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.9% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: 92.9 (#16/157)
- GLM-5.1 public-lane score: 93.8 (#7/157)

### Mathematics

- Winner: Insufficient shared evidence
- Gemma 4 31B public-lane score: Coming soon
- GLM-5.1 public-lane score: 55.9 (#8/12)

| Benchmark | Gemma 4 31B | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 95.3% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.0% | Coming soon |
| HMMT Feb 2026 | Coming soon | 82.6% | Coming soon |
| MMAnswerBench | Coming soon | 83.8% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 36.842% | Coming soon |

## FAQ

### Is there enough evidence to pick between Gemma 4 31B and GLM-5.1?

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

- [Gemma 4 31B vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-gemma-4-31b)
- [GLM-5.1 vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-glm-5-1)
- [Gemma 4 31B vs Gemma 4 12B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [GLM-5.1 vs Gemma 4 12B](/compare/gemma-4-12b-vs-glm-5-1)

## Explore More

- [Gemma 4 31B profile](/models/gemma-4-31b)
- [GLM-5.1 profile](/models/glm-5-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)