Z.ai
GLM 5.3 Flash
z-ai/glm-5.3-flash
Reasoning model for daily tasks. Text only.
MultimodalText, Images, Video → TextReady on endue
- Agentic work
Overview
Good for
Written by endue
- Agentic work
Not ideal for
From the model’s specs
Nothing in the specs rules out common agent work.
Capabilities
| Tool use | Supported |
|---|---|
| Structured output | Supported |
| JSON mode | Supported |
| Reasoning | Supported |
| Vision | Supported |
| Audio input | Not supported |
| Video input | Supported |
| File input | Not supported |
| Long context | Supported |
Specifications
- Model ID
z-ai/glm-5.3-flash- Family
- GLM-5
- Context window
- 1M tokens
- Input
- Text, Images, Video
- Output
- Text