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    Z.AI: GLM 4.5 Air (free)Free variant

    z-ai/glm-4.5-air:free

    Created Jul 25, 2025131,072 context
    $0/M input tokens$0/M output tokens

    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 with the reasoning enabled boolean. Learn more in our docs

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