Z Ai: Z.ai: GLM 5.3 API
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
- Context window: 1,048,576 tokens
- Max output: 131,072 tokens
- Input: text
- Output: text
- Reasoning: Supported
- Tool calling: Supported
Frequently Asked Questions
What is the context window of Z.ai: GLM 5.3?
Z.ai: GLM 5.3 supports a context window of up to 1,048,576 tokens.
Does Z.ai: GLM 5.3 support function calling?
Yes. Z.ai: GLM 5.3 supports tool / function calling.
Does Z.ai: GLM 5.3 support reasoning?
Yes. Z.ai: GLM 5.3 is a reasoning-capable model.