# Gemini 3.8 Flash vs GLM-4.6V

> Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.3 on the Noometry Index. GLM-4.6V costs 3.3× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-8-flash-vs-glm-4-6v
- Last updated: 2026-10-12
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Gemini 3.8 Flash scores higher in 8 categories and GLM-4.6V in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.8 Flash leads 76.9 to 27.6.
- GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $0.75 / $3.75 for Gemini 3.8 Flash.
- Gemini 3.8 Flash accepts more context: 1.05M tokens versus 128K.
- GLM-4.6V has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| Provider | Google | Z.ai (Zhipu) |
| Noometry Index | 61.8 | 41.3 |
| Rank | 11 | 137 |
| Context | 1.05M | 128K |
| Input $/M | $0.75 | $0.30 |
| Output $/M | $3.75 | $0.90 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.8 Flash: 59.2 (#15)
- GLM-4.6V: 40.9 (#128)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Coding | 1510 | 1390 |
| DeepSWE | 73.8% | — |
| FrontierCode | 41.2% | — |
| CursorBench | 39.6% | — |
| LMArena WebDev | 1584 | — |
| FrontierSWE | 19.6% | — |
| SciCode | 56.6% | — |
| WeirdML | 84.8% | — |
| ALE-Bench | 1,270 | — |

## Agentic & Tool Use

- Gemini 3.8 Flash: 41.8 (#21)
- GLM-4.6V: —

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| APEX-Agents | 64.3% | — |
| Remote Labor Index | 5.8% | — |
| GDP.pdf | 23.4% | — |
| Vending-Bench 2 | 5,094 | — |

## Reasoning

- Gemini 3.8 Flash: 76.9 (#5)
- GLM-4.6V: 27.6 (#115)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Hard Prompts | 1508 | 1368 |
| ARC-AGI-2 | 89.2% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 18.3% | — |
| Chess Puzzles | 61% | — |
| Mystery Game Puzzles | 47% | — |
| DTBench | 95.7% | — |
| LMCA | 52.9% | — |
| Surface Evolver Bench | 76.9% | — |
| Epoch Capabilities Index | 156.71 | — |

## Math

- Gemini 3.8 Flash: 65.3 (#28)
- GLM-4.6V: —

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| FrontierMath (Tiers 1-3) | 68.4% | — |
| FrontierMath Tier 4 | 22% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | 48% | — |
| LMArena Math | 1528 | — |

## Knowledge

- Gemini 3.8 Flash: 74.8 (#2)
- GLM-4.6V: 38.0 (#149)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Expert | 1524 | 1371 |
| GPQA Diamond | 95.4% | — |
| Humanity's Last Exam | 44.5% | — |
| SimpleQA Verified | 69.7% | — |

## Multimodal

- Gemini 3.8 Flash: 40.7 (#45)
- GLM-4.6V: 34.8 (#90)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Vision | 1314 | 1164 |
| Blueprint-Bench 2 | 38.6% | — |
| Furniture Assembly | 31.7% | — |

## Multilingual

- Gemini 3.8 Flash: 58.0 (#5)
- GLM-4.6V: 48.6 (#141)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Non-English | 1491 | 1359 |
| LMArena Chinese | 1554 | 1425 |
| LMArena Russian | 1515 | 1340 |
| LMArena French | 1498 | — |
| LMArena German | 1493 | — |
| LMArena Japanese | 1502 | — |
| LMArena Korean | 1459 | — |
| LMArena Spanish | 1485 | — |

## Instruction Following

- Gemini 3.8 Flash: 78.0 (#13)
- GLM-4.6V: 71.4 (#151)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Instruction Following | 1490 | 1352 |

## Long Context

- Gemini 3.8 Flash: 46.3 (#24)
- GLM-4.6V: 41.3 (#143)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Longer Query | 1508 | 1358 |

## Writing & Preference

- Gemini 3.8 Flash: 72.2 (#15)
- GLM-4.6V: 56.6 (#137)

| Benchmark | Gemini 3.8 Flash | GLM-4.6V |
|---|---|---|
| LMArena Text | 1499 | 1377 |
| LMArena Creative Writing | 1492 | 1347 |
| LMArena Multi-Turn | 1501 | 1360 |
| EQ-Bench Creative Writing | 1748 | — |

## FAQ

### Is Gemini 3.8 Flash better than GLM-4.6V?

Gemini 3.8 Flash is the stronger model overall, scoring 61.8 to 41.3 on the Noometry Index. GLM-4.6V costs 3.3× less per token, which makes it the better buy when Gemini 3.8 Flash's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.8 Flash or GLM-4.6V?

GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; Gemini 3.8 Flash lists at $0.75 and $3.75.

### Is Gemini 3.8 Flash or GLM-4.6V better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 59.2 versus 40.9 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.8 Flash does, with 1.05M tokens against 128K.

### How many benchmarks do Gemini 3.8 Flash and GLM-4.6V share?

12 benchmarks have published results for both models. Gemini 3.8 Flash has 50 scored results on Noometry and GLM-4.6V has 12.