GLM 5.3on Krater.ai
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
Released August 18, 2026
Specifications
GLM 5.3 at a glance
Context
1M tokens
Max output
943.7K tokens
Input
Text
Output
Text
Input price
$1.40 / 1M
Output price
$4.40 / 1M
Krater rank
#90
Capabilities
What it is good at
Catalog capabilities
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Benchmarks
Catalog data, not Krater benchmarks.
Coding index score
74.8
Agentic index score
53.4
Intelligence index score
44.9
Compare
Compare GLM 5.3
GLM 5.3 vs GLM 4.5
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications.
Open comparisonGLM 5.3 vs GLM 4.5 Air
GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications.
Open comparisonGLM 5.3 vs GLM 4.6
Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to handle more complex
Open comparisonFAQ
Questions about GLM 5.3
Clear answers based on the model catalog and Krater access.
Use GLM 5.3 in your API
Connect with Krater's unified API.