GLM 5.3 Prime
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $2.80
- Output, per 1M tokens
- $8.80
Memory
- Context window
- 1M tokens
- Longest answer
- 131K tokens
Abilities
- Reasoning
- Yes
- Reads images
- No
- Calls tools
- Yes
- Takes in
- text
- Gives back
- text
The model
- Lab
- Z.ai
- Model id
- z-ai/glm-5.3-prime
- Released
- 23 Sep 2026
- Open weights
- No
