Grok 4.1 Fast vs ChatGLM-6B
xAI Grok 4.1 Fast | Z.ai ChatGLM-6B | |
|---|---|---|
| Overview | ||
| Company | xAI | Z.ai |
| Release date | Nov 19 2025 | Mar 14 2023 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 6B |
| 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. | 19% | — |
| Timeline | ||
| Release gap | ChatGLM-6B shipped 981 days before Grok 4.1 Fast | |
Which is better: Grok 4.1 Fast or ChatGLM-6B?
Grok 4.1 Fast and ChatGLM-6B don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. ChatGLM-6B shipped 981 days before Grok 4.1 Fast, so benchmark comparisons should account for the intervening progress.
Grok 4.1 Fast is proprietary, while ChatGLM-6B is open weight.
Direct benchmark comparisons are unavailable — Grok 4.1 Fast and ChatGLM-6B don't publish scores on any of the same benchmarks.
Frequently asked questions
Grok 4.1 Fast was released by xAI on Nov 19 2025.
ChatGLM-6B was released by Z.ai on Mar 14 2023.
Grok 4.1 Fast is a proprietary model released by xAI. ChatGLM-6B is an open weight model released by Z.ai.
Other comparisons
Grok 4.1 Fast vs Claude Fable 5ChatGLM-6B vs Claude Fable 5Grok 4.1 Fast vs GPT-5.6 SolChatGLM-6B vs GPT-5.6 SolGrok 4.1 Fast vs Gemini OmniChatGLM-6B vs Gemini OmniGrok 4.1 Fast vs Muse SparkChatGLM-6B vs Muse SparkGrok 4.1 Fast vs DeepSeek-V4-ProChatGLM-6B vs DeepSeek-V4-ProGrok 4.1 Fast vs Mistral Medium 3.5ChatGLM-6B vs Mistral Medium 3.5