GLM-5.3
Z.ai
Zhipu AI's latest flagship model with major advances in complex software engineering and agentic tasks — 50% better coding than GLM-5.2.
Getting Started with GLM-5.3
GLM-5.3 shares the same base model as GLM-5.2 — all gains come from post-training. It offers a 1M context window, 128K max output, and always-on thinking with low / high / max effort levels.
Deep Reasoning
Always-on thinking with low / high / max effort levels
Flagship Coding
50% better on Z.ai Code Bench; 28.3 on Terminal-Bench 3.0
Agentic Tasks
Major advances in long-horizon agent tasks; 66.9 on DeepSWE
Long Context
1M tokens context window with 128K max output
Why Choose GLM-5.3
Flagship Evolution
Comprehensively surpasses GLM-5.2 in coding and agentic tasks
Accurate & Efficient
Higher accuracy while consuming fewer output tokens
Great Value
Highly competitive pricing for a flagship domestic model
Tech Specs
Context Window
1M tokens
Knowledge Cutoff
2026-08
Modalities
Text
Max Output
128K tokens
Pricing by Supplier
Live prices for every group currently available to you, displayed in USD.
FAQ
They share the same base model — all of GLM-5.3's gains come from post-training: 50% better coding experience and stronger performance on complex, long-horizon agentic tasks.
No. GLM-5.3 is text-only for now, focused on coding and agentic scenarios.
Get your API Key from tokenhub.belivestudios.com and call it with the standard API format.