# GLM-4.5-Air vs Molmo 2 8b

> GLM-4.5-Air and Molmo 2 8b score almost the same on the Noometry Index (38.9 vs 39.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/glm-4-5-air-vs-molmo-2-8b
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both. GLM-4.5-Air scores higher in 3 categories and Molmo 2 8b in 1 category; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-4.5-Air leads 55.9 to 49.4.

## Snapshot

| | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| Provider | Z.ai (Zhipu) | Allen Institute for AI (Ai2) |
| Noometry Index | 38.9 | 39.1 |
| Rank | 177 | 174 |
| Context | 131K | — |
| Input $/M | $0.20 | — |
| Output $/M | $1.10 | — |
| Weights | Open | Open |

## Coding

- GLM-4.5-Air: 33.3 (#259)
- Molmo 2 8b: —

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| GSO | 2.9% | — |
| LMArena Coding | 1397 | — |

## Reasoning

- GLM-4.5-Air: 24.1 (#166)
- Molmo 2 8b: 25.6 (#146)

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Hard Prompts | 1379 | 1287 |
| Kagi LLM Benchmark | 43% | — |
| ForecastBench | 59.2 | — |

## Math

- GLM-4.5-Air: 36.2 (#170)
- Molmo 2 8b: —

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| Omni-MATH | 39.1% | — |
| LMArena Math | 1396 | — |

## Knowledge

- GLM-4.5-Air: 35.0 (#191)
- Molmo 2 8b: —

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| Humanity's Last Exam | 8.1% | — |
| MMLU-Pro | 76.2% | — |
| Vectara Hallucination Rate | 9.3% | — |
| GPQA (HELM) | 59.4% | — |
| LMArena Expert | 1370 | — |

## Multimodal

- GLM-4.5-Air: —
- Molmo 2 8b: 30.2 (#112)

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Vision | — | 1081 |

## Multilingual

- GLM-4.5-Air: 49.1 (#135)
- Molmo 2 8b: 42.7 (#190)

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Non-English | 1366 | 1276 |
| LMArena Chinese | 1426 | — |
| LMArena French | 1399 | — |
| LMArena German | 1377 | — |
| LMArena Japanese | 1348 | — |
| LMArena Korean | 1308 | — |
| LMArena Russian | 1373 | — |
| LMArena Spanish | 1386 | — |

## Instruction Following

- GLM-4.5-Air: 69.6 (#171)
- Molmo 2 8b: 67.0 (#201)

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Instruction Following | 1354 | 1270 |
| IFEval | 81.2% | — |

## Long Context

- GLM-4.5-Air: 41.6 (#135)
- Molmo 2 8b: —

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Longer Query | 1366 | — |

## Writing & Preference

- GLM-4.5-Air: 55.9 (#139)
- Molmo 2 8b: 49.4 (#191)

| Benchmark | GLM-4.5-Air | Molmo 2 8b |
|---|---|---|
| LMArena Text | 1384 | 1288 |
| LMArena Creative Writing | 1343 | — |
| WildBench | 78.9% | — |
| LMArena Multi-Turn | 1371 | — |

## FAQ

### Is GLM-4.5-Air better than Molmo 2 8b?

GLM-4.5-Air and Molmo 2 8b score almost the same on the Noometry Index (38.9 vs 39.1), so choose on price, context window or the category you care about most.

### How many benchmarks do GLM-4.5-Air and Molmo 2 8b share?

4 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and Molmo 2 8b has 5.