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AI model · Z.ai

GLM 5.3 (batch)

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...

The figures

Made by
Z.ai
Model ID
z-ai/glm-5.3:batch
Input
$0.45 per million tokens
Output
$2 per million tokens
Context window
1.05M tokens
Longest answer
131K tokens
Takes in
text
Gives back
text
Reasoning
Yes
Tool calling
Yes
Reads images
No
Open weights
Yes
Released
18 Aug 2026

Read on 3 Oct 2026.