Model Details
About
GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter size. GLM-4.5-Air also supports hybrid inference modes, offering a "thinking mode" for advanced reasoning and tool use, and a "non-thinking mode" for real-time interaction. Users can control the reasoning behaviour …
Use via API
curl https://api.free.ai/v1/chat/ \
-H "Authorization: Bearer YOUR_KEY" \
-d '{"model":"z-ai/glm-4.5-air"}'
FAQ
Z.ai: GLM 4.5 Air on Free.ai is a powerful AI-powered tool that you can use completely free of charge. No sign up required to get started.
Yes! Z.ai: GLM 4.5 Air is completely free to use with generous daily limits. Sign up for a free account to get even more usage, or upgrade for unlimited access.
Z.ai: GLM 4.5 Air uses state-of-the-art open-source AI models to deliver high-quality results. Your request is processed on our GPU servers and the result is returned in seconds.
No! You can use Z.ai: GLM 4.5 Air immediately without signing up. Creating a free account gives you 3x more daily usage and saves your history.
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Your data is processed securely on our servers and is not stored permanently unless you choose to save it. We do not sell or share your data.
Yes! Content generated by Z.ai: GLM 4.5 Air is yours to use for personal and commercial purposes. Our AI models are all commercially licensed.
Z.ai: GLM 4.5 Air on Free.ai delivers comparable quality to paid services using the latest open-source AI models. We believe powerful AI should be accessible to everyone.
Z.ai: GLM 4.5 Air uses best-in-class open-source AI models including Qwen 2.5, FLUX, Whisper, and more. We regularly update to the latest models.
Yes! Z.ai: GLM 4.5 Air works perfectly on mobile devices. Our responsive design adapts to any screen size.
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Yes! After generating content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.