# GLM-5.1 vs Qwen3.8 Max

> Side-by-side benchmark comparison for GLM-5.1 and Qwen3.8 Max across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-qwen3-8-max
- Last updated: September 17, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Qwen3.8 Max if you want the stronger benchmark profile. GLM-5.1 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.8 Max leads overall 71.76 to 63.35.
- The clearest category separation is in reasoning, where the averages are 71.7 for GLM-5.1 and 86.5 for Qwen3.8 Max.
- The biggest single benchmark swing is NL2Repo in Coding, with scores of 42.7% and 55.9%.
- Qwen3.8 Max is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.8 Max also has the larger context window at 1M.

## Model Snapshot

| Property | GLM-5.1 | Qwen3.8 Max |
|----------|----------|----------|
| Creator | Z.AI | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 203K | 1M |
| Overall Score | 63.35 | 71.76 |
| Benchmarks Covered | 26 | 60 |
| Pricing (input/output) | $1.40 / $4.40 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Coming soon
- GLM-5.1 public-lane score: 54.3 (Estimated · #38/153)
- Qwen3.8 Max public-lane score: 67.3 (Supported · #9/153)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| BrowseComp | 68% | Coming soon | Coming soon |
| τ³-bench results | 70.6% | Coming soon | Coming soon |
| MCP Atlas | 71.8% | Coming soon | Coming soon |
| CyberGym | 68.7% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | Coming soon | Coming soon |
| Gert Labs | 60.11% | Coming soon | Coming soon |
| ResearchClawBench | 18.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 56.9% | 67.4% | Qwen3.8 Max |
| Terminal-Bench 2.1 | Coming soon | 86.6% | Coming soon |
| CoWorkBench | Coming soon | 74.8% | Coming soon |
| JobBench | Coming soon | 53.4% | Coming soon |
| skillsBench | Coming soon | 70.2% | Coming soon |
| Agents' Last Exam | Coming soon | 52.4% | Coming soon |
| AutomationBench | Coming soon | 27.3% | Coming soon |
| Toolathlon-Verified | Coming soon | 72.5% | Coming soon |
| WideResearch | Coming soon | 81.9% | Coming soon |
| HLE w/ tools | Coming soon | 56.2% | Coming soon |
| OSWorld-Verified | Coming soon | 86.1% | Coming soon |
| OSWorld 2.0 | Coming soon | 19.4% | Coming soon |
| WebArena-Verified | Coming soon | 66.8% | Coming soon |
| AndroidWorld | Coming soon | 85.3% | Coming soon |
| MobileWorld | Coming soon | 77.8% | Coming soon |

### Coding

- Winner: Qwen3.8 Max
- GLM-5.1 public-lane score: 56.3 (Supported · #38/152)
- Qwen3.8 Max public-lane score: 60.8 (Supported · #20/152)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 58.4% | 67.7% | Qwen3.8 Max |
| NL2Repo | 42.7% | 55.9% | Qwen3.8 Max |
| SWE-Rebench | 62.7% | Coming soon | Coming soon |
| Vibe Code Bench | 31.46% | Coming soon | Coming soon |
| OpenHarmony Bench | 52.3% | 60.8% | Qwen3.8 Max |
| LiveCodeBench (Vals) | 81.4% | 87.9% | Qwen3.8 Max |
| SWE-bench (Vals) | 76.4% | 85.6% | Qwen3.8 Max |
| Terminal-Bench 2.1 | Coming soon | 86.6% | Coming soon |
| DeepSWE | Coming soon | 56.6% | Coming soon |
| FrontierSWE | Coming soon | 73.5% | Coming soon |
| MLS-Bench Lite | Coming soon | 41.0% | Coming soon |
| PaperBench | Coming soon | 93.0% | Coming soon |
| VulcanBench v3 | Coming soon | 81.2% | Coming soon |
| FrontierSWE v2 | Coming soon | 15.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- GLM-5.1 public-lane score: Coming soon
- Qwen3.8 Max public-lane score: 87.4 (#5/48)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 82.3% | Coming soon |
| MathVision | Coming soon | 95.2% | Coming soon |
| MathVision w/ Python | Coming soon | 97.7% | Coming soon |
| BabyVision | Coming soon | 82.0% | Coming soon |
| BabyVision w/ Python | Coming soon | 91.3% | Coming soon |
| ZeroBench | Coming soon | 24.0% | Coming soon |
| ZeroBench w/ Python | Coming soon | 49.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 80.4% | Coming soon |
| ScreenSpot Pro | Coming soon | 84.5% | Coming soon |
| Vision2Web | Coming soon | 69.0% | Coming soon |
| CharXiv w/o tools | Coming soon | 88.4% | Coming soon |
| CharXiv | Coming soon | 93.5% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 92.1% | Coming soon |
| OCRBench V2 | Coming soon | 74.2% | Coming soon |
| CC-OCR | Coming soon | 79.6% | Coming soon |
| RealWorldQA | Coming soon | 88.0% | Coming soon |
| ERQA | Coming soon | 77.8% | Coming soon |
| SimpleVQA | Coming soon | 75.0% | Coming soon |
| PerceptionBench | Coming soon | 63.5% | Coming soon |
| Video-MME (with subtitle) | Coming soon | 90.4% | Coming soon |
| VideoMMMU | Coming soon | 88.7% | Coming soon |
| MMVU | Coming soon | 82.4% | Coming soon |
| MLVU (M-Avg) | Coming soon | 90.8% | Coming soon |
| LVBench | Coming soon | 81.8% | Coming soon |

### Reasoning

- Winner: Coming soon
- GLM-5.1 public-lane score: 71.7 (Unranked · 2 rankable rows)
- Qwen3.8 Max public-lane score: 86.5 (Unranked · 2 rankable rows)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 92.9% | Coming soon |
| LongBench v2 | Coming soon | 66.3% | Coming soon |

### Knowledge

- Winner: Qwen3.8 Max
- GLM-5.1 public-lane score: 54.8 (Supported · #54/183)
- Qwen3.8 Max public-lane score: 68.8 (Supported · #17/183)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 86.2% | 92.6% | Qwen3.8 Max |
| HLE | 52.3% | 43.6% | GLM-5.1 |
| GPQA Diamond (Vals) | 84.5% | 93.7% | Qwen3.8 Max |
| MMLU-Pro (Vals) | 86.9% | 88.6% | Qwen3.8 Max |
| GPQA | Coming soon | 92.6% | Coming soon |
| HLE w/o tools | Coming soon | 43.6% | Coming soon |

### Instruction Following

- Winner: Coming soon
- GLM-5.1 public-lane score: 93.7 (#5/123)
- Qwen3.8 Max public-lane score: 90.7 (#18/123)

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 82.8% | Coming soon |

### Mathematics

- Winner: Coming soon
- GLM-5.1 public-lane score: 64.1 (#3/7)
- Qwen3.8 Max public-lane score: Coming soon

| Benchmark | GLM-5.1 | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | Coming soon | Coming soon |
| HMMT Nov 2025 | 94.0% | Coming soon | Coming soon |
| HMMT Feb 2026 | 82.6% | Coming soon | Coming soon |
| MMAnswerBench | 83.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 33.448% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 12.500% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GLM-5.1 or Qwen3.8 Max?

Qwen3.8 Max is ahead overall on BenchLM right now.

### Where is the biggest gap between GLM-5.1 and Qwen3.8 Max?

The widest category gap is in reasoning, where the averages are 71.7 for GLM-5.1 and 86.5 for Qwen3.8 Max.

### How many benchmarks does GLM-5.1 cover on BenchLM?

GLM-5.1 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.8 Max cover on BenchLM?

Qwen3.8 Max currently has 60 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [Qwen3.8 Max vs GLM-5.3](/compare/glm-5-3-vs-qwen3-8-max)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [Qwen3.8 Max vs GLM-5.2](/compare/glm-5-2-vs-qwen3-8-max)

## Explore More

- [GLM-5.1 profile](/models/glm-5-1)
- [Qwen3.8 Max profile](/models/qwen3-8-max)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)