Grok 4 Fast vs GLM-4.7
xAI Grok 4 Fast | Z.ai GLM-4.7 | |
|---|---|---|
| Overview | ||
| Company | xAI | Z.ai |
| Release date | Sep 2025 | Dec 22 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Context window | — | 128k |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 73.8% |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | — | 41% |
Web browsing BrowseCompCan the AI browse the web and track down hard-to-find answers? Higher is better. | — | 52% |
Multidisciplinary reasoning Humanity's Last Exam · no toolsHumanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better. | — | 24.8% |
Multidisciplinary reasoning Humanity's Last Exam · with toolsHumanity's Last Exam — extremely hard expert questions across many subjects. “With tools” means the AI is allowed to search the web or run code while answering. Higher is better. | — | 42.8% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | — | 85.7% |
| Timeline | ||
| Release gap | Grok 4 Fast shipped 112 days before GLM-4.7 | |
Which is better: Grok 4 Fast or GLM-4.7?
Grok 4 Fast and GLM-4.7 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 Fast shipped 112 days before GLM-4.7, so benchmark comparisons should account for the intervening progress.
Grok 4 Fast is proprietary, while GLM-4.7 is open weight.
Direct benchmark comparisons are unavailable — Grok 4 Fast and GLM-4.7 don't publish scores on any of the same benchmarks.
Frequently asked questions
Grok 4 Fast was released by xAI on Sep 2025.
GLM-4.7 was released by Z.ai on Dec 22 2025.
Grok 4 Fast is a proprietary model released by xAI. GLM-4.7 is an open weight model released by Z.ai.
Other comparisons
Grok 4 Fast vs Claude Fable 5GLM-4.7 vs Claude Fable 5Grok 4 Fast vs GPT-5.6 SolGLM-4.7 vs GPT-5.6 SolGrok 4 Fast vs Gemini OmniGLM-4.7 vs Gemini OmniGrok 4 Fast vs Muse SparkGLM-4.7 vs Muse SparkGrok 4 Fast vs DeepSeek-V4-ProGLM-4.7 vs DeepSeek-V4-ProGrok 4 Fast vs Mistral Medium 3.5GLM-4.7 vs Mistral Medium 3.5