o3-pro vs GLM-4-9B
OpenAI o3-pro | Z.ai GLM-4-9B | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Jun 10 2025 | Jun 5 2024 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 9B |
| Timeline | ||
| Release gap | GLM-4-9B shipped 370 days before o3-pro | |
Which is better: o3-pro or GLM-4-9B?
o3-pro and GLM-4-9B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-9B shipped 370 days before o3-pro, so benchmark comparisons should account for the intervening progress.
o3-pro is proprietary, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — o3-pro and GLM-4-9B don't publish scores on any of the same benchmarks.
Frequently asked questions
o3-pro was released by OpenAI on Jun 10 2025.
GLM-4-9B was released by Z.ai on Jun 5 2024.
o3-pro is a proprietary model released by OpenAI. GLM-4-9B is an open weight model released by Z.ai.