o3 vs GLM-4-9B
OpenAI o3 | Z.ai GLM-4-9B | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Apr 16 2025 | Jun 5 2024 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 9B |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 26% | — |
| Timeline | ||
| Release gap | GLM-4-9B shipped 315 days before o3 | |
Which is better: o3 or GLM-4-9B?
o3 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 315 days before o3, so benchmark comparisons should account for the intervening progress.
o3 is proprietary, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — o3 and GLM-4-9B don't publish scores on any of the same benchmarks.
Frequently asked questions
o3 was released by OpenAI on Apr 16 2025.
GLM-4-9B was released by Z.ai on Jun 5 2024.
o3 is a proprietary model released by OpenAI. GLM-4-9B is an open weight model released by Z.ai.