Z.ai: GLM 4.6 API
An open-weight frontier model (355B MoE / 32B active) featuring a 200k context window and MIT license. It is purpose-built for high-end coding, complex reasoning, and long-context agentic tasks, rivaling Claude 4 Sonnet in real-world software engineering scenarios.
- Context window: 204,800 tokens
- Max output: 131,072 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2025-09-30
- Knowledge cutoff: 2025-03-31
Frequently Asked Questions
What is the context window of GLM 4.6?
GLM 4.6 supports a context window of up to 204,800 tokens.
Does GLM 4.6 support function calling?
Yes. GLM 4.6 supports tool / function calling.
Does GLM 4.6 support reasoning?
Yes. GLM 4.6 is a reasoning-capable model.
What is the knowledge cutoff of GLM 4.6?
The knowledge cutoff of GLM 4.6 is 2025-03-31.