coding-glm-5.3-free · Z.AI
coding-glm-5.3-free is the open and free version of coding-glm-5.3. To ensure stable service performance, usage limits are in place: up to 5 requests per minute, 100 requests per day, and a daily token allowance of 1 million.
coding-glm-5.3-free is the open and free version of coding-glm-5.3. To ensure stable service performance, usage limits are in place: up to 5 requests per minute, 100 requests per day, and a daily token allowance of 1 million.
GLM 5.3 (free) has a 1,048,576 token context window.
GLM 5.3 (free) accepts text input.
GLM 5.3 (free) supports thinking, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
GLM 5.3 (free) is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to coding-glm-5.3-free — no other code changes needed.
GLM 5.3 (free) is developed by Z.AI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
GLM 5.3 (free) was released on August 14, 2026 by Z.AI.
Paid version: Coding GLM 5.3
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