Model comparison
GLM-4.5 vs GPT-5
Capability radar, value bars, and side-by-side posture.
GLM-4.5
Not scored
value score
GPT-5
94
value score
GLM-4.5 ctx
—
GPT-5 ctx
400K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- GPT-594
Attribute tape
| Field | GLM-4.5 | 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-4.5 is an open-source agentic foundation model family from Z.ai (formerly Zhipu AI), designed for reasoning, coding, tool use, and software engineering workloads. It is released under MIT licensing and includes full-size and lightweight Air variants with hybrid reasoning modes. | OpenAI frontier multimodal model. |