Grok 4 vs GLM-4
xAI Grok 4 | Z.ai GLM-4 | |
|---|---|---|
| Overview | ||
| Company | xAI | Z.ai |
| Release date | Jul 9 2025 | Jan 16 2024 |
| Access | Proprietary | Proprietary |
| Timeline | ||
| Release gap | GLM-4 shipped 540 days before Grok 4 | |
Which is better: Grok 4 or GLM-4?
Grok 4 and GLM-4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4 shipped 540 days before Grok 4, 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 — Grok 4 and GLM-4 don't publish scores on any of the same benchmarks.
Frequently asked questions
Grok 4 was released by xAI on Jul 9 2025.
GLM-4 was released by Z.ai on Jan 16 2024.