# GLM-4.5V vs o3-mini

> GLM-4.5V is the stronger model overall, scoring 39.8 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-4-5v-vs-o3-mini
- Last updated: 2026-10-11
- Shared benchmarks: 13

## Summary

- They share 13 benchmarks with published results for both. GLM-4.5V scores higher in 4 categories and o3-mini in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GLM-4.5V leads 27.4 to 16.3.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $1.10 / $4.40 for o3-mini.
- o3-mini accepts more context: 200K tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.5V | o3-mini |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 39.8 | 36.7 |
| Rank | 158 | 212 |
| Context | 64K | 200K |
| Input $/M | $0.60 | $1.10 |
| Output $/M | $1.80 | $4.40 |
| Weights | Open | Proprietary |

## Coding

- GLM-4.5V: 39.5 (#155)
- o3-mini: 40.8 (#132)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Coding | 1347 | 1378 |
| Aider Polyglot | — | 60.4% |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| CadEval | — | 54% |

## Agentic & Tool Use

- GLM-4.5V: —
- o3-mini: 29.6 (#84)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| Cybench | — | 22.5% |

## Reasoning

- GLM-4.5V: 27.4 (#119)
- o3-mini: 16.3 (#305)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Hard Prompts | 1334 | 1366 |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| Kagi LLM Benchmark | 59.8% | — |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| LiveBench Reasoning | — | 89.6% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |

## Math

- GLM-4.5V: 37.4 (#159)
- o3-mini: 28.1 (#244)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Math | 1354 | 1396 |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| LiveBench Math | — | 77.3% |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- GLM-4.5V: 37.5 (#156)
- o3-mini: 38.3 (#146)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Expert | 1353 | 1364 |
| GPQA Diamond | — | 77% |
| SimpleQA Verified | — | 15.3% |
| Confabulations | — | 17.9% |

## Multimodal

- GLM-4.5V: 34.3 (#92)
- o3-mini: —

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Vision | 1154 | — |

## Multilingual

- GLM-4.5V: 44.6 (#177)
- o3-mini: 45.7 (#164)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Non-English | 1303 | 1319 |
| LMArena Chinese | 1337 | 1379 |
| LMArena Russian | 1298 | 1304 |
| LMArena Spanish | 1336 | 1321 |
| LMArena French | — | 1334 |
| LMArena German | — | 1303 |
| LMArena Japanese | — | 1286 |
| LMArena Korean | — | 1314 |

## Instruction Following

- GLM-4.5V: 69.2 (#175)
- o3-mini: 75.1 (#72)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Instruction Following | 1311 | 1337 |
| LiveBench Instruction Following | — | 84.4% |

## Long Context

- GLM-4.5V: 39.6 (#171)
- o3-mini: 33.8 (#256)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Longer Query | 1304 | 1343 |
| Fiction.LiveBench | — | 50% |

## Writing & Preference

- GLM-4.5V: 52.5 (#170)
- o3-mini: 50.3 (#182)

| Benchmark | GLM-4.5V | o3-mini |
|---|---|---|
| LMArena Text | 1333 | 1337 |
| LMArena Creative Writing | 1295 | 1286 |
| LMArena Multi-Turn | 1332 | 1320 |
| Short-Story Creative Writing | — | 61.7% |
| LiveBench Language | — | 50.7% |

## FAQ

### Is GLM-4.5V better than o3-mini?

GLM-4.5V is the stronger model overall, scoring 39.8 to 36.7 on the Noometry Index.

### Which is cheaper, GLM-4.5V or o3-mini?

GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; o3-mini lists at $1.10 and $4.40.

### Is GLM-4.5V or o3-mini better for coding?

o3-mini scores higher on coding benchmarks: 40.8 versus 39.5 in the Noometry coding category.

### Which has the bigger context window?

o3-mini does, with 200K tokens against 64K.

### How many benchmarks do GLM-4.5V and o3-mini share?

13 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and o3-mini has 51.