Z.ai: GLM 4 Air API
Zhipu AI's standard flagship model, designed to strike a perfect balance between performance and cost. As the "Standard" version, it offers robust semantic comprehension and multi-step logical reasoning. Compared to the Lite version, it is more stable in instruction following and long-context correlation, making it a mainstay for enterprise-grade applications.
- Context window: 131,072 tokens
- Max output: 4,096 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2025-08-14
- Knowledge cutoff: 2025-05-31
Frequently Asked Questions
What is the context window of GLM 4 Air?
GLM 4 Air supports a context window of up to 131,072 tokens.
Does GLM 4 Air support function calling?
Yes. GLM 4 Air supports tool / function calling.
Does GLM 4 Air support reasoning?
Yes. GLM 4 Air is a reasoning-capable model.
What is the knowledge cutoff of GLM 4 Air?
The knowledge cutoff of GLM 4 Air is 2025-05-31.