o3-pro vs GLM-4-Plus
OpenAI o3-pro | Z.ai GLM-4-Plus | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Jun 10 2025 | Aug 29 2024 |
| Access | Proprietary | Proprietary |
| Timeline | ||
| Release gap | GLM-4-Plus shipped 285 days before o3-pro | |
Which is better: o3-pro or GLM-4-Plus?
o3-pro and GLM-4-Plus don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GLM-4-Plus shipped 285 days before o3-pro, 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 — o3-pro and GLM-4-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
o3-pro was released by OpenAI on Jun 10 2025.
GLM-4-Plus was released by Z.ai on Aug 29 2024.
Other comparisons
o3-pro vs Claude Fable 5GLM-4-Plus vs Claude Fable 5o3-pro vs Gemini OmniGLM-4-Plus vs Gemini Omnio3-pro vs Muse SparkGLM-4-Plus vs Muse Sparko3-pro vs Grok 4.3 BetaGLM-4-Plus vs Grok 4.3 Betao3-pro vs DeepSeek-V4-ProGLM-4-Plus vs DeepSeek-V4-Proo3-pro vs Mistral Medium 3.5GLM-4-Plus vs Mistral Medium 3.5