o4-mini vs GLM-4-9B
OpenAI o4-mini | 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. | 8% | — |
| Timeline | ||
| Release gap | GLM-4-9B shipped 315 days before o4-mini | |
Which is better: o4-mini or GLM-4-9B?
o4-mini 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 o4-mini, so benchmark comparisons should account for the intervening progress.
o4-mini is proprietary, while GLM-4-9B is open weight.
Direct benchmark comparisons are unavailable — o4-mini and GLM-4-9B don't publish scores on any of the same benchmarks.
Frequently asked questions
o4-mini was released by OpenAI on Apr 16 2025.
GLM-4-9B was released by Z.ai on Jun 5 2024.
o4-mini is a proprietary model released by OpenAI. GLM-4-9B is an open weight model released by Z.ai.
Other comparisons
o4-mini vs Claude Fable 5GLM-4-9B vs Claude Fable 5o4-mini vs Gemini OmniGLM-4-9B vs Gemini Omnio4-mini vs Muse SparkGLM-4-9B vs Muse Sparko4-mini vs Grok 4.3 BetaGLM-4-9B vs Grok 4.3 Betao4-mini vs DeepSeek-V4-ProGLM-4-9B vs DeepSeek-V4-Proo4-mini vs Mistral Medium 3.5GLM-4-9B vs Mistral Medium 3.5