GLM 5.1
The spec sheet
Figures as the maker publishes them.
Price
- Input, per 1M tokens
- $0.96
- Output, per 1M tokens
- $3.03
Memory
- Context window
- 205K 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-5.1
- Released
- 7 Apr 2026
- Open weights
- Yes (zai-org/GLM-5.1)
