gpt-oss-120b vs GLM-4-9B
OpenAI gpt-oss-120b | Z.ai GLM-4-9B | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Aug 5 2025 | Jun 5 2024 |
| Access | Open Weight | 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. | 11% | — |
| Timeline | ||
| Release gap | GLM-4-9B shipped 426 days before gpt-oss-120b | |
Which is better: gpt-oss-120b or GLM-4-9B?
gpt-oss-120b 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 426 days before gpt-oss-120b, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — gpt-oss-120b and GLM-4-9B don't publish scores on any of the same benchmarks.
Frequently asked questions
gpt-oss-120b was released by OpenAI on Aug 5 2025.
GLM-4-9B was released by Z.ai on Jun 5 2024.
Other comparisons
gpt-oss-120b vs Claude Fable 5GLM-4-9B vs Claude Fable 5gpt-oss-120b vs Gemini OmniGLM-4-9B vs Gemini Omnigpt-oss-120b vs Muse SparkGLM-4-9B vs Muse Sparkgpt-oss-120b vs Grok 4.3 BetaGLM-4-9B vs Grok 4.3 Betagpt-oss-120b vs DeepSeek-V4-ProGLM-4-9B vs DeepSeek-V4-Progpt-oss-120b vs Mistral Medium 3.5GLM-4-9B vs Mistral Medium 3.5