Z.AI: GLM-5.3

glm-5.3

Z.AI GLM-5.3 flagship reasoning model for complex software engineering and long-horizon agent tasks, with a 1M-token context window.

reasoningcodingtoolscachingstructured-output

Capabilities & limits

Model type: Language
Input modalities
Output modalities
Context: 1,000,000tokens
Max output: 131,072tokens
Vision / images: No
Tools & function calling: Not specified

Updated Aug 14, 2026

Pricing

Pay as you go. Rates depend on the provider route you use; below is reference pricing when available.

Uncached input tokens
$1.4 / per 1M tokens
Cache hit tokens
$0.26 / per 1M tokens
Output tokens
$4.4 / per 1M tokens

One scenario is selected per request; prices from different rows are not added together. Within the selected scenario, the listed meter charges are added together.