Model comparison
GLM-5.1 vs GPT-5
Capability radar, value bars, and side-by-side posture.
GLM-5.1
Not scored
value score
GPT-5
94
value score
GLM-5.1 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | GLM-5.1 | GPT-5 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Context | — | 400K |
| Modalities | Text, Code, Image, Audio | |
| Openness | — | Proprietary Model |
| Speed | — | Fast |
| Price | — | Mid-High |
| Value score | — | 94 |
| Summary | GLM-5.1 is Z.ai's flagship text LLM built for agentic coding and long-horizon autonomous software engineering, capable of sustained multi-step execution across coding, debugging, and repo-level tasks. It is positioned as comparable in general capability to Claude Opus 4.6 while emphasizing sustained autonomous task execution over hours. | OpenAI frontier multimodal model. |