# Gemini 1.5 Flash 8B vs GLM-4.5

> GLM-4.5 is the stronger model overall, scoring 41.4 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-glm-4-5
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and GLM-4.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where GLM-4.5 leads 36.3 to 13.3.
- GLM-4.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| Provider | Google | Z.ai (Zhipu) |
| Noometry Index | 29.7 | 41.4 |
| Rank | 292 | 125 |
| Context | — | 131K |
| Input $/M | — | $0.60 |
| Output $/M | — | $2.20 |
| Weights | Proprietary | Open |

## Coding

- Gemini 1.5 Flash 8B: 34.9 (#221)
- GLM-4.5: 41.1 (#121)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Coding | 1218 | 1434 |
| SWE-bench Verified (bash only) | — | 54.2% |
| WeirdML | — | 40.6% |
| ALE-Bench | — | 344.82 |
| AlgoTune | — | 1.52 |

## Reasoning

- Gemini 1.5 Flash 8B: 19.2 (#242)
- GLM-4.5: 27.7 (#99)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Hard Prompts | 1210 | 1430 |
| Kagi LLM Benchmark | — | 57.9% |
| DTBench | 50% | — |

## Math

- Gemini 1.5 Flash 8B: 13.3 (#296)
- GLM-4.5: 36.3 (#119)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Math | 1207 | 1427 |
| OTIS Mock AIME 2024-2025 | 4.6% | — |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#285)
- GLM-4.5: 35.5 (#172)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Expert | 1185 | 1433 |
| GPQA Diamond | 33% | — |
| Humanity's Last Exam | — | 8.3% |
| Confabulations | — | 11.3% |

## Multimodal

- Gemini 1.5 Flash 8B: 27.6 (#110)
- GLM-4.5: —

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Vision | 1044 | — |

## Multilingual

- Gemini 1.5 Flash 8B: 38.6 (#224)
- GLM-4.5: 53.0 (#74)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Non-English | 1215 | 1417 |
| LMArena Chinese | 1231 | 1465 |
| LMArena French | 1233 | 1423 |
| LMArena German | 1206 | 1406 |
| LMArena Japanese | 1150 | 1416 |
| LMArena Korean | 1140 | 1382 |
| LMArena Russian | 1236 | 1414 |
| LMArena Spanish | 1212 | 1454 |

## Instruction Following

- Gemini 1.5 Flash 8B: 63.1 (#231)
- GLM-4.5: 74.3 (#100)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Instruction Following | 1199 | 1405 |

## Long Context

- Gemini 1.5 Flash 8B: 36.9 (#220)
- GLM-4.5: 38.2 (#196)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Longer Query | 1219 | 1413 |
| Fiction.LiveBench | — | 58.3% |

## Writing & Preference

- Gemini 1.5 Flash 8B: 43.0 (#227)
- GLM-4.5: 57.7 (#121)

| Benchmark | Gemini 1.5 Flash 8B | GLM-4.5 |
|---|---|---|
| LMArena Text | 1226 | 1430 |
| LMArena Creative Writing | 1218 | 1395 |
| LMArena Multi-Turn | 1185 | 1415 |
| Short-Story Creative Writing | — | 73.4% |
| EQ-Bench Creative Writing | — | 1343 |

## FAQ

### Is Gemini 1.5 Flash 8B better than GLM-4.5?

GLM-4.5 is the stronger model overall, scoring 41.4 to 29.7 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or GLM-4.5 better for coding?

GLM-4.5 scores higher on coding benchmarks: 41.1 versus 34.9 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and GLM-4.5 share?

17 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GLM-4.5 has 27.