coding-glm-5.3-flash · Z.AI
Coding GLM 5.3 Flash is a dedicated version of GLM 5.3 Flash built for AI coding and Coding Agent workflows. It is designed for code understanding, generation, editing, repository-level development, and automated software engineering tasks. With support for context windows of up to approximately 1 million tokens, it can handle large codebases and extended development sessions. The model also supports text, image, and video inputs, along with tool use, making it well suited for AI coding tools such as Claude Code, OpenCode, Cline, and other agentic development environments.
Coding GLM 5.3 Flash is a dedicated version of GLM 5.3 Flash built for AI coding and Coding Agent workflows. It is designed for code understanding, generation, editing, repository-level development, and automated software engineering tasks. With support for context windows of up to approximately 1 million tokens, it can handle large codebases and extended development sessions. The model also supports text, image, and video inputs, along with tool use, making it well suited for AI coding tools such as Claude Code, OpenCode, Cline, and other agentic development environments.
GLM 5.3 Flash (coding) has a 1,000,000 token context window.
On AIHubMix, GLM 5.3 Flash (coding) costs $0.0282 per million input tokens and $0.0986 per million output tokens. Cached input reads are billed at $0.007 per million tokens.
GLM 5.3 Flash (coding) accepts text, image and video input.
GLM 5.3 Flash (coding) 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 Flash (coding) 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-flash — no other code changes needed.
GLM 5.3 Flash (coding) is developed by Z.AI. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
GLM 5.3 Flash (coding) was released on August 26, 2026 by Z.AI.
Free version: Coding GLM 5.3 Flash (free)
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Use Coding GLM 5.3 Flash via the AIHubMix unified API — one interface for every major LLM.