GPT-5.6 Luna vs GLM-4-Plus
OpenAI GPT-5.6 Luna | Z.ai GLM-4-Plus | |
|---|---|---|
| Overview | ||
| Company | OpenAI | Z.ai |
| Release date | Jun 26 2026 | Aug 29 2024 |
| Access | Proprietary | Proprietary |
| Benchmarks | ||
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | 82.5% | — |
| Timeline | ||
| Release gap | GLM-4-Plus shipped 666 days before GPT-5.6 Luna | |
Which is better: GPT-5.6 Luna or GLM-4-Plus?
GPT-5.6 Luna 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 666 days before GPT-5.6 Luna, 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-5.6 Luna and GLM-4-Plus don't publish scores on any of the same benchmarks.
Frequently asked questions
GPT-5.6 Luna was released by OpenAI on Jun 26 2026.
GLM-4-Plus was released by Z.ai on Aug 29 2024.
Other comparisons
GPT-5.6 Luna vs Claude Fable 5GLM-4-Plus vs Claude Fable 5GPT-5.6 Luna vs Gemini OmniGLM-4-Plus vs Gemini OmniGPT-5.6 Luna vs Muse SparkGLM-4-Plus vs Muse SparkGPT-5.6 Luna vs Grok 4.3 BetaGLM-4-Plus vs Grok 4.3 BetaGPT-5.6 Luna vs DeepSeek-V4-ProGLM-4-Plus vs DeepSeek-V4-ProGPT-5.6 Luna vs Mistral Medium 3.5GLM-4-Plus vs Mistral Medium 3.5