# GLM-5V-Turbo vs GPT-5.2 Codex

> GLM-5V-Turbo and GPT-5.2 Codex score almost the same on the Noometry Index (43.1 vs 42.2), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/glm-5v-turbo-vs-gpt-5-2-codex
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. GLM-5V-Turbo scores higher in 0 categories and GPT-5.2 Codex in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where GPT-5.2 Codex leads 45.4 to 41.8.
- GLM-5V-Turbo is cheaper at $1.20 / $4 per million input/output tokens, against $1.75 / $14 for GPT-5.2 Codex.
- GPT-5.2 Codex accepts more context: 400K tokens versus 200K.

## Snapshot

| | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 43.1 | 42.2 |
| Rank | 86 | 107 |
| Context | 200K | 400K |
| Input $/M | $1.20 | $1.75 |
| Output $/M | $4 | $14 |
| Weights | Proprietary | Proprietary |

## Coding

- GLM-5V-Turbo: 41.8 (#105)
- GPT-5.2 Codex: 45.4 (#66)

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena WebDev | 1400 | 1339 |
| SWE-bench Verified (bash only) | — | 72.8% |
| SWE-bench Multilingual | — | 66.3% |
| LMArena Coding | 1467 | — |
| ALE-Bench | — | 1,300 |

## Agentic & Tool Use

- GLM-5V-Turbo: —
- GPT-5.2 Codex: 40.7 (#20)

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| Terminal-Bench | — | 66.5% |

## Reasoning

- GLM-5V-Turbo: 28.5 (#87)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Hard Prompts | 1443 | — |

## Math

- GLM-5V-Turbo: 36.6 (#109)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Math | 1440 | — |

## Knowledge

- GLM-5V-Turbo: 39.9 (#113)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Expert | 1451 | — |

## Multimodal

- GLM-5V-Turbo: 40.1 (#41)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Vision | 1264 | — |
| LMArena Document | 1416 | — |

## Multilingual

- GLM-5V-Turbo: 53.2 (#69)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Non-English | 1420 | — |
| LMArena Chinese | 1488 | — |
| LMArena French | 1443 | — |
| LMArena German | 1422 | — |
| LMArena Korean | 1399 | — |
| LMArena Russian | 1432 | — |
| LMArena Spanish | 1446 | — |

## Instruction Following

- GLM-5V-Turbo: 75.1 (#75)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Instruction Following | 1422 | — |

## Long Context

- GLM-5V-Turbo: 44.0 (#76)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Longer Query | 1439 | — |

## Writing & Preference

- GLM-5V-Turbo: 62.6 (#69)
- GPT-5.2 Codex: —

| Benchmark | GLM-5V-Turbo | GPT-5.2 Codex |
|---|---|---|
| LMArena Text | 1437 | — |
| LMArena Creative Writing | 1414 | — |
| LMArena Multi-Turn | 1432 | — |

## FAQ

### Is GLM-5V-Turbo better than GPT-5.2 Codex?

GLM-5V-Turbo and GPT-5.2 Codex score almost the same on the Noometry Index (43.1 vs 42.2), so choose on price, context window or the category you care about most.

### Which is cheaper, GLM-5V-Turbo or GPT-5.2 Codex?

GLM-5V-Turbo is cheaper. It lists at $1.20 per million input tokens and $4 per million output tokens; GPT-5.2 Codex lists at $1.75 and $14.

### Is GLM-5V-Turbo or GPT-5.2 Codex better for coding?

GPT-5.2 Codex scores higher on coding benchmarks: 45.4 versus 41.8 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.2 Codex does, with 400K tokens against 200K.

### How many benchmarks do GLM-5V-Turbo and GPT-5.2 Codex share?

1 benchmark has published results for both models. GLM-5V-Turbo has 19 scored results on Noometry and GPT-5.2 Codex has 5.
