Z.ai: GLM 5.3

z-ai/glm-5.3

Description

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...

How this model compares

Overall covers the full catalog. By plan covers only models available on that tier (same rules as available models in your list). Position on min–average–max. Prices use the higher of prompt or completion per token, shown per 1M tokens.

Price (per 1M tokens)

Min
Max
This model
408 models in this groupPrice (per 1M tokens)
Min
$0.04
Avg
$13.214257
Max
$750.00
This model: $4.40 / 1M tokens

Context length (tokens)

Min
Max
This model
408 models in this groupContext length (tokens)
Min
4,095 tokens
Avg
473,787.615 tokens
Max
2,000,000 tokens
This model: 1,048,576 tokens

Capabilities

Text → TextContext: 1,048,576 tokens
Input:
Text
Output:
Text