# GLM-5.3-Flash vs Qwen3.8 Max

> Side-by-side benchmark comparison for GLM-5.3-Flash and Qwen3.8 Max across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-flash-vs-qwen3-8-max
- Last updated: October 10, 2026

- Shared sourced benchmarks: 19
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Qwen3.8 Max leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Qwen3.8 Max has the higher overall point estimate 70.66 to 57.36. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 55.7 for GLM-5.3-Flash and 65.4 for Qwen3.8 Max.
- The biggest single benchmark swing is BabyVision in Multimodal & Grounded, with scores of 53.4% and 82.0%.
- Qwen3.8 Max is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | GLM-5.3-Flash | Qwen3.8 Max |
|----------|----------|----------|
| Creator | Z.AI | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 57.36 | 70.66 |
| Benchmarks Covered | 21 | 61 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Qwen3.8 Max
- GLM-5.3-Flash public-lane score: 55.7 (Supported · #34/123)
- Qwen3.8 Max public-lane score: 65.4 (Supported · #15/123)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | 86.6% | Qwen3.8 Max |
| Toolathlon-Verified | 78.4% | 72.5% | GLM-5.3-Flash |
| AutomationBench | 48.8% | 27.3% | GLM-5.3-Flash |
| Agents' Last Exam | 26.3% | 52.4% | Qwen3.8 Max |
| HLE w/ tools | 55.3% | 56.2% | Qwen3.8 Max |
| Terminal-Bench 2.1 (Vals) | 62.9% | 67.4% | Qwen3.8 Max |
| CoWorkBench | Coming soon | 74.8% | Coming soon |
| JobBench | Coming soon | 53.4% | Coming soon |
| skillsBench | Coming soon | 70.2% | Coming soon |
| WideResearch | Coming soon | 81.9% | 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-5.3-Flash public-lane score: 49.3 (Supported · #42/146)
- Qwen3.8 Max public-lane score: 53.5 (Supported · #34/146)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | 86.6% | Qwen3.8 Max |
| DeepSWE | 63.4% | 56.6% | GLM-5.3-Flash |
| NL2Repo | 56.3% | 55.9% | GLM-5.3-Flash |
| LiveCodeBench (Vals) | 80.5% | 87.9% | Qwen3.8 Max |
| SWE-bench (Vals) | 92.0% | 85.6% | GLM-5.3-Flash |
| OpenHarmony Bench | 57.3% | 60.8% | Qwen3.8 Max |
| FrontierSWE v2 | 18.1% | 15.8% | GLM-5.3-Flash |
| Bug Hunt Bench | 17.7 fixes | 25.7 fixes | Qwen3.8 Max |
| SWE-bench Pro | Coming soon | 67.7% | 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 |

### Reasoning

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 81.1 (#11/28)
- Qwen3.8 Max public-lane score: 87.8 (Unranked · 2 rankable rows)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | Coming soon | 92.9% | Coming soon |
| LongBench v2 | Coming soon | 66.3% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- GLM-5.3-Flash public-lane score: 84 (#14/54)
- Qwen3.8 Max public-lane score: 91.2 (#4/54)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 62.4% | Coming soon | Coming soon |
| CharXiv | 89.4% | 93.5% | Qwen3.8 Max |
| Chartography (tools) | 78.0% | Coming soon | Coming soon |
| BabyVision | 53.4% | 82.0% | Qwen3.8 Max |
| MMVU | 80.5% | 82.4% | Qwen3.8 Max |
| 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 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 |
| 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 |
| MLVU (M-Avg) | Coming soon | 90.8% | Coming soon |
| LVBench | Coming soon | 81.8% | Coming soon |

### Knowledge

- Winner: Qwen3.8 Max
- GLM-5.3-Flash public-lane score: 60.5 (Supported · #43/177)
- Qwen3.8 Max public-lane score: 66.6 (Supported · #24/177)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 86.4% | 93.7% | Qwen3.8 Max |
| MMLU-Pro (Vals) | 86.1% | 88.6% | Qwen3.8 Max |
| GPQA | Coming soon | 92.6% | Coming soon |
| GPQA-D | Coming soon | 92.6% | Coming soon |
| HLE | Coming soon | 43.6% | Coming soon |
| HLE w/o tools | Coming soon | 43.6% | Coming soon |

### Instruction Following

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: Coming soon
- Qwen3.8 Max public-lane score: 94.7 (#2/127)

| Benchmark | GLM-5.3-Flash | Qwen3.8 Max | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 82.8% | Coming soon |

## FAQ

### Which is better overall, GLM-5.3-Flash or Qwen3.8 Max?

Qwen3.8 Max has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GLM-5.3-Flash and Qwen3.8 Max?

The widest category gap is in agentic, where the averages are 55.7 for GLM-5.3-Flash and 65.4 for Qwen3.8 Max.

### How many benchmarks does GLM-5.3-Flash cover on BenchLM?

GLM-5.3-Flash currently has 21 sourced benchmark scores on BenchLM.

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

Qwen3.8 Max currently has 61 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

- [GLM-5.3-Flash profile](/models/glm-5-3-flash)
- [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)