# GLM-4.5V vs Sonar

> GLM-4.5V is the stronger model overall, scoring 39.2 to 37.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-4-5v-vs-sonar
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GLM-4.5V leads 26.5 to 20.3.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $1 / $1 for Sonar.
- Sonar accepts more context: 128K tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.5V | Sonar |
|---|---|---|
| Provider | Z.ai (Zhipu) | Perplexity |
| Noometry Index | 39.2 | 37.8 |
| Rank | 158 | 184 |
| Context | 64K | 128K |
| Input $/M | $0.60 | $1 |
| Output $/M | $1.80 | $1 |
| Weights | Open | Proprietary |

## Coding

- GLM-4.5V: 38.9 (#152)
- Sonar: 35.1 (#217)

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1347 | — |

## Reasoning

- GLM-4.5V: 26.5 (#118)
- Sonar: 20.3 (#221)

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| Kagi LLM Benchmark | 59.8% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1335 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |

## Math

- GLM-4.5V: 34.7 (#157)
- Sonar: 31.3 (#197)

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
| LMArena Math | 1353 | — |

## Knowledge

- GLM-4.5V: 36.8 (#155)
- Sonar: —

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LMArena Expert | 1353 | — |

## Multimodal

- GLM-4.5V: 33.6 (#86)
- Sonar: —

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LMArena Vision | 1154 | — |

## Multilingual

- GLM-4.5V: 44.9 (#172)
- Sonar: —

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LMArena Non-English | 1304 | — |
| LMArena Chinese | 1338 | — |
| LMArena Russian | 1299 | — |
| LMArena Spanish | 1335 | — |

## Instruction Following

- GLM-4.5V: 69.4 (#170)
- Sonar: 71.5 (#146)

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1311 | — |

## Long Context

- GLM-4.5V: 39.6 (#166)
- Sonar: —

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LMArena Longer Query | 1305 | — |

## Writing & Preference

- GLM-4.5V: 52.7 (#162)
- Sonar: 52.6 (#166)

| Benchmark | GLM-4.5V | Sonar |
|---|---|---|
| LMArena Text | 1333 | — |
| LMArena Creative Writing | 1295 | — |
| LMArena Multi-Turn | 1333 | — |
| LiveBench Language | — | 44.1% |

## FAQ

### Is GLM-4.5V better than Sonar?

GLM-4.5V is the stronger model overall, scoring 39.2 to 37.8 on the Noometry Index.

### Which is cheaper, GLM-4.5V or Sonar?

GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; Sonar lists at $1 and $1.

### Is GLM-4.5V or Sonar better for coding?

GLM-4.5V scores higher on coding benchmarks: 38.9 versus 35.1 in the Noometry coding category.

### Which has the bigger context window?

Sonar does, with 128K tokens against 64K.

### How many benchmarks do GLM-4.5V and Sonar share?

0 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and Sonar has 7.