# Gemini 3.5 Flash-Lite vs GLM-5.1

> Side-by-side benchmark comparison for Gemini 3.5 Flash-Lite and GLM-5.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-3-5-flash-lite-vs-glm-5-1
- Last updated: September 4, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GLM-5.1 if you want the stronger benchmark profile. Gemini 3.5 Flash-Lite only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.1 leads overall 64.41 to 60.5.
- The clearest category separation is in coding, where the averages are 43.6 for Gemini 3.5 Flash-Lite and 56.8 for GLM-5.1.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 54% and 63.5%.
- Gemini 3.5 Flash-Lite is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Gemini 3.5 Flash-Lite also has the larger context window at 1M.

## Model Snapshot

| Property | Gemini 3.5 Flash-Lite | GLM-5.1 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 203K |
| Overall Score | 60.5 | 64.41 |
| Benchmarks Covered | 10 | 26 |
| Pricing (input/output) | $0.30 / $2.50 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 43.4 (Estimated · #104/151)
- GLM-5.1 public-lane score: 50.1 (Estimated · #63/151)

| Benchmark | Gemini 3.5 Flash-Lite | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54% | 63.5% | GLM-5.1 |
| OSWorld-Verified | 74% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 50.2% | 56.9% | GLM-5.1 |
| 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 |
| Gert Labs | Coming soon | 60.11% | Coming soon |
| ResearchClawBench | Coming soon | 18.2% | Coming soon |

### Coding

- Winner: GLM-5.1
- Gemini 3.5 Flash-Lite public-lane score: 43.6 (Supported · #121/183)
- GLM-5.1 public-lane score: 56.8 (Supported · #39/183)

| Benchmark | Gemini 3.5 Flash-Lite | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54.0% | Coming soon | Coming soon |
| SWE-bench Pro | 54.2% | 58.4% | GLM-5.1 |
| LiveCodeBench (Vals) | 79.0% | 81.4% | GLM-5.1 |
| SWE-bench (Vals) | 75.0% | 76.4% | GLM-5.1 |
| NL2Repo | Coming soon | 42.7% | Coming soon |
| SWE-Rebench | Coming soon | 62.7% | Coming soon |
| Vibe Code Bench | Coming soon | 31.46% | Coming soon |
| OpenHarmony Bench | Coming soon | 52.3% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 76.1 (#16/48)
- GLM-5.1 public-lane score: Coming soon

### Reasoning

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: 60.8 (Unranked · 3 rankable rows)
- GLM-5.1 public-lane score: 69.9 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3.5 Flash-Lite | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 72.2% | Coming soon | Coming soon |

### Knowledge

- Winner: GLM-5.1
- Gemini 3.5 Flash-Lite public-lane score: 53 (Supported · #71/181)
- GLM-5.1 public-lane score: 55.4 (Supported · #58/181)

| Benchmark | Gemini 3.5 Flash-Lite | GLM-5.1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 83.8% | 84.5% | GLM-5.1 |
| MMLU-Pro (Vals) | 85.8% | 86.9% | GLM-5.1 |
| GPQA-D | Coming soon | 86.2% | Coming soon |
| HLE | Coming soon | 52.3% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: Coming soon
- GLM-5.1 public-lane score: 93.5 (#5/120)

### Mathematics

- Winner: Coming soon
- Gemini 3.5 Flash-Lite public-lane score: Coming soon
- GLM-5.1 public-lane score: 64.1 (#3/7)

| Benchmark | Gemini 3.5 Flash-Lite | 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 | 33.448% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 12.500% | Coming soon |

## FAQ

### Which is better overall, Gemini 3.5 Flash-Lite or GLM-5.1?

GLM-5.1 is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3.5 Flash-Lite and GLM-5.1?

The widest category gap is in coding, where the averages are 43.6 for Gemini 3.5 Flash-Lite and 56.8 for GLM-5.1.

### How many benchmarks does Gemini 3.5 Flash-Lite cover on BenchLM?

Gemini 3.5 Flash-Lite currently has 10 sourced benchmark scores on BenchLM.

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

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

## Related Comparisons

- [Gemini 3.5 Flash-Lite vs GLM-5.3](/compare/gemini-3-5-flash-lite-vs-glm-5-3)
- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [Gemini 3.5 Flash-Lite vs GLM-5.2](/compare/gemini-3-5-flash-lite-vs-glm-5-2)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)

## Explore More

- [Gemini 3.5 Flash-Lite profile](/models/gemini-3-5-flash-lite)
- [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)