GLM-5.1
Open weightsZ.AI · Strong GLM coding model for agentic engineering, terminals, and repository generation
Key facts
- Provider
- Z.AI
- Context window
- 200K tokens
- Max output
- 131.1K tokens
- Input price
- $1.4 / M tok
- Output price
- $4.4 / M tok
- Knowledge cutoff
- —
- Released
- Apr 7, 2026
- License
- Open weights
Capabilities
ReasoningTool callingStructured outputFile attachmentsTemperature controlOpen weights
Reasoning options
- toggle
Pricing
USD per million tokens, list API rates.
- Input
- $1.4
- Output
- $4.4
- Cache read
- $0.26
- Cache write
- Free
Modalities
- Input
- Text
- Output
- Text