# Devstral Small 2505 vs GLM-4.5V

> GLM-4.5V is the stronger model overall, scoring 39.8 to 34.3 on the Noometry Index. Devstral Small 2505 costs 6.0× less per token, which makes it the better buy when GLM-4.5V's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/devstral-small-vs-glm-4-5v
- Last updated: 2026-10-11
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Devstral Small 2505 scores higher in 0 categories and GLM-4.5V in 2 categories; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where GLM-4.5V leads 27.4 to 19.7.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 37.7% for Devstral Small 2505 and 59.8% for GLM-4.5V.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.60 / $1.80 for GLM-4.5V.
- Devstral Small 2505 accepts more context: 128K tokens versus 64K.

## Snapshot

| | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| Provider | Mistral AI | Z.ai (Zhipu) |
| Noometry Index | 34.3 | 39.8 |
| Rank | 233 | 158 |
| Context | 128K | 64K |
| Input $/M | $0.10 | $0.60 |
| Output $/M | $0.30 | $1.80 |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.9 (#166)
- GLM-4.5V: 39.5 (#155)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1347 |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- GLM-4.5V: 27.4 (#119)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | 59.8% |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1334 |

## Math

- Devstral Small 2505: —
- GLM-4.5V: 37.4 (#159)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Math | — | 1354 |

## Knowledge

- Devstral Small 2505: —
- GLM-4.5V: 37.5 (#156)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Expert | — | 1353 |

## Multimodal

- Devstral Small 2505: —
- GLM-4.5V: 34.3 (#92)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Vision | — | 1154 |

## Multilingual

- Devstral Small 2505: —
- GLM-4.5V: 44.6 (#177)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Non-English | — | 1303 |
| LMArena Chinese | — | 1337 |
| LMArena Russian | — | 1298 |
| LMArena Spanish | — | 1336 |

## Instruction Following

- Devstral Small 2505: —
- GLM-4.5V: 69.2 (#175)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Instruction Following | — | 1311 |

## Long Context

- Devstral Small 2505: —
- GLM-4.5V: 39.6 (#171)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Longer Query | — | 1304 |

## Writing & Preference

- Devstral Small 2505: —
- GLM-4.5V: 52.5 (#170)

| Benchmark | Devstral Small 2505 | GLM-4.5V |
|---|---|---|
| LMArena Text | — | 1333 |
| LMArena Creative Writing | — | 1295 |
| LMArena Multi-Turn | — | 1332 |

## FAQ

### Is Devstral Small 2505 better than GLM-4.5V?

GLM-4.5V is the stronger model overall, scoring 39.8 to 34.3 on the Noometry Index. Devstral Small 2505 costs 6.0× less per token, which makes it the better buy when GLM-4.5V's lead doesn't matter for your workload.

### Which is cheaper, Devstral Small 2505 or GLM-4.5V?

Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; GLM-4.5V lists at $0.60 and $1.80.

### Is Devstral Small 2505 or GLM-4.5V better for coding?

They score almost the same on coding (38.9 vs 39.5); test both on your own repository before choosing.

### Which has the bigger context window?

Devstral Small 2505 does, with 128K tokens against 64K.

### How many benchmarks do Devstral Small 2505 and GLM-4.5V share?

1 benchmark has published results for both models. Devstral Small 2505 has 4 scored results on Noometry and GLM-4.5V has 15.