GLM 5.3 FlashX
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $0.37
- Output, per 1M tokens
- $1.25
Memory
- Context window
- 1.05M tokens
- Longest answer
- 131K tokens
Abilities
- Reasoning
- Yes
- Reads images
- Yes
- Calls tools
- Yes
- Takes in
- text, image, video
- Gives back
- text
The model
- Lab
- Z.ai
- Model id
- z-ai/glm-5.3-flashx
- Released
- 18 Sep 2026
- Open weights
- No
