# Gemini 3 Flash vs GLM-5.2

> Side-by-side benchmark comparison for Gemini 3 Flash and GLM-5.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick GLM-5.2 if you want the stronger benchmark profile. Gemini 3 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.2 leads overall 68.19 to 62.28.
- The clearest category separation is in mathematics, where the averages are 50.2 for Gemini 3 Flash and 80.7 for GLM-5.2.
- The biggest single benchmark swing is LiveCodeBench (Vals) in Coding, with scores of 85.6% and 69.5%.
- Gemini 3 Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Gemini 3 Flash | GLM-5.2 |
|----------|----------|----------|
| Creator | Google | Z.AI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 62.28 | 68.19 |
| Benchmarks Covered | 11 | 25 |
| Pricing (input/output) | $0.50 / $3.00 | $1.40 / $4.40 |

## Category Breakdown

### Agentic

- Winner: GLM-5.2
- Gemini 3 Flash public-lane score: 34 (Supported · #135/153)
- GLM-5.2 public-lane score: 58.5 (Supported · #29/153)

| Benchmark | Gemini 3 Flash | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 49.2% | Coming soon | Coming soon |
| Gert Labs | 56.63% | Coming soon | Coming soon |
| JobBench | 11.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 53.9% | 67.8% | GLM-5.2 |
| 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 |
| ResearchClawBench | Coming soon | 20.7% | Coming soon |

### Coding

- Winner: GLM-5.2
- Gemini 3 Flash public-lane score: 41.6 (Supported · #109/152)
- GLM-5.2 public-lane score: 61 (Supported · #19/152)

| Benchmark | Gemini 3 Flash | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 20.20% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.6% | 69.5% | Gemini 3 Flash |
| SWE-bench (Vals) | 75.0% | 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 Flash public-lane score: 75.8 (Unranked · 1 rankable row)
- GLM-5.2 public-lane score: Coming soon

### Reasoning

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 59 (Unranked · 2 rankable rows)
- GLM-5.2 public-lane score: 74.8 (Unranked · 2 rankable rows)

| Benchmark | Gemini 3 Flash | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 20.9% | Coming soon |

### Knowledge

- Winner: GLM-5.2
- Gemini 3 Flash public-lane score: 56.9 (Supported · #45/183)
- GLM-5.2 public-lane score: 60.7 (Supported · #35/183)

| Benchmark | Gemini 3 Flash | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 87.9% | 85.6% | Gemini 3 Flash |
| MMLU-Pro (Vals) | 88.6% | 86.7% | Gemini 3 Flash |
| GPQA | Coming soon | 91.2% | Coming soon |
| GPQA-D | Coming soon | 91.2% | Coming soon |
| HLE | Coming soon | 54.7% | Coming soon |
| HLE w/o tools | Coming soon | 40.5% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 66.2 (#68/123)
- GLM-5.2 public-lane score: 89.8 (#22/123)

### Mathematics

- Winner: Coming soon
- Gemini 3 Flash public-lane score: 50.2 (Unranked · 2 rankable rows)
- GLM-5.2 public-lane score: 80.7 (Unranked · 4 rankable rows)

| Benchmark | Gemini 3 Flash | GLM-5.2 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 35.640% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 4.167% | 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 Flash or GLM-5.2?

GLM-5.2 is ahead overall on BenchLM right now.

### Where is the biggest gap between Gemini 3 Flash and GLM-5.2?

The widest category gap is in mathematics, where the averages are 50.2 for Gemini 3 Flash and 80.7 for GLM-5.2.

### How many benchmarks does Gemini 3 Flash cover on BenchLM?

Gemini 3 Flash currently has 11 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 Flash vs GLM-5.3](/compare/gemini-3-flash-vs-glm-5-3)
- [GLM-5.2 vs GLM-5.3](/compare/glm-5-2-vs-glm-5-3)
- [Gemini 3 Flash vs GLM-5.3-Flash](/compare/gemini-3-flash-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 Flash profile](/models/gemini-3-flash)
- [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)