Zhipu AI · GLM
GLM-5.3
zhipuai/glm-5.3
The original hosted GLM-5.3 flagship for complex software engineering, long-horizon agents and cybersecurity analysis. Its Coding Plan access and text-only profile are distinct from the newer open, multimodal GLM-5.3-Flash variant.
Model specifications
- Context window
- 1M tokens
- Output limit
- 128K tokens
- Release date
- 2026-08-14
- Input modalities
- text
- Output modalities
- text
- Last updated
- 2026-08-14
Provider pricing
USD per 1M tokens. Limits may differ from the underlying model.
Checked 2026-08-14
Z.AI Coding Plan
glm-5.3
- Input
- -
- Output
- -
- Context
- 1M
Promotions, plan quotas, cache pricing and regional taxes are not included. Recheck the provider before purchase.
GLM-5.3 FAQ
Is GLM-5.3 an open-weight model?
No. GLM-5.3 is tracked as a hosted model. Access, retention and commercial terms depend on the selected provider.
What is the context window for GLM-5.3?
GLM-5.3 has a tracked context window of 1M tokens and a maximum output of 128K tokens. Provider limits can be lower.
What input does GLM-5.3 support?
The current record lists text input and text output. Check the exact provider route before relying on a modality in production.
How much does GLM-5.3 cost?
This page compares 1 tracked provider offering in USD per 1M tokens where public prices are available. Promotions, cache rates, taxes and plan quotas may differ.