# GLM-4.5-Air vs Mistral Small 3

> GLM-4.5-Air is the stronger model overall, scoring 38.7 to 30.9 on the Noometry Index. Mistral Small 3 costs 7.4× less per token, which makes it the better buy when GLM-4.5-Air's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/glm-4-5-air-vs-mistral-small-3
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. GLM-4.5-Air scores higher in 7 categories and Mistral Small 3 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GLM-4.5-Air leads 56.1 to 32.4.
- Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.20 / $1.10 for GLM-4.5-Air.
- GLM-4.5-Air accepts more context: 131K tokens versus 33K.

## Snapshot

| | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| Provider | Z.ai (Zhipu) | Mistral AI |
| Noometry Index | 38.7 | 30.9 |
| Rank | 169 | 268 |
| Context | 131K | 33K |
| Input $/M | $0.20 | $0.05 |
| Output $/M | $1.10 | $0.08 |
| Weights | Open | Open |

## Coding

- GLM-4.5-Air: 34.5 (#225)
- Mistral Small 3: 36.0 (#203)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Coding | 1397 | 1246 |
| GSO | 2.9% | — |
| BigCodeBench Instruct | — | 45.3% |
| BigCodeBench Complete | — | 50.4% |

## Reasoning

- GLM-4.5-Air: 23.3 (#166)
- Mistral Small 3: 18.2 (#269)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Hard Prompts | 1379 | 1233 |
| Kagi LLM Benchmark | 43% | — |
| Chess Puzzles | — | 0% |
| Epoch Capabilities Index | — | 127.06 |
| ForecastBench | 59.2 | — |

## Math

- GLM-4.5-Air: 33.8 (#166)
- Mistral Small 3: 15.3 (#290)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Math | 1396 | 1240 |
| OTIS Mock AIME 2024-2025 | — | 6.7% |
| Omni-MATH | 39.1% | — |

## Knowledge

- GLM-4.5-Air: 34.6 (#184)
- Mistral Small 3: 25.0 (#258)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Expert | 1370 | 1202 |
| GPQA Diamond | — | 47.3% |
| Humanity's Last Exam | 8.1% | — |
| MMLU-Pro | 76.2% | — |
| Confabulations | — | 25.2% |
| Vectara Hallucination Rate | 9.3% | — |
| GPQA (HELM) | 59.4% | — |

## Multilingual

- GLM-4.5-Air: 49.4 (#130)
- Mistral Small 3: 37.5 (#231)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1366 | 1198 |
| LMArena Chinese | 1427 | 1204 |
| LMArena French | 1399 | 1202 |
| LMArena German | 1376 | 1211 |
| LMArena Japanese | 1348 | 1111 |
| LMArena Korean | 1306 | 1188 |
| LMArena Russian | 1373 | 1216 |
| LMArena Spanish | 1385 | — |

## Instruction Following

- GLM-4.5-Air: 69.8 (#165)
- Mistral Small 3: 63.9 (#224)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1353 | 1214 |
| IFEval | 81.2% | — |

## Long Context

- GLM-4.5-Air: 41.6 (#130)
- Mistral Small 3: 37.8 (#206)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1367 | 1246 |

## Writing & Preference

- GLM-4.5-Air: 56.1 (#134)
- Mistral Small 3: 32.4 (#275)

| Benchmark | GLM-4.5-Air | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1384 | 1234 |
| LMArena Creative Writing | 1343 | 1195 |
| LMArena Multi-Turn | 1371 | 1217 |
| EQ-Bench Creative Writing | — | 707 |
| WildBench | 78.9% | — |

## FAQ

### Is GLM-4.5-Air better than Mistral Small 3?

GLM-4.5-Air is the stronger model overall, scoring 38.7 to 30.9 on the Noometry Index. Mistral Small 3 costs 7.4× less per token, which makes it the better buy when GLM-4.5-Air's lead doesn't matter for your workload.

### Which is cheaper, GLM-4.5-Air or Mistral Small 3?

Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; GLM-4.5-Air lists at $0.20 and $1.10.

### Is GLM-4.5-Air or Mistral Small 3 better for coding?

Mistral Small 3 scores higher on coding benchmarks: 36.0 versus 34.5 in the Noometry coding category.

### Which has the bigger context window?

GLM-4.5-Air does, with 131K tokens against 33K.

### How many benchmarks do GLM-4.5-Air and Mistral Small 3 share?

16 benchmarks have published results for both models. GLM-4.5-Air has 27 scored results on Noometry and Mistral Small 3 has 24.