The Z.ai GLM-4.5 series models are foundation models designed for intelligent agents. GLM-4.5 has 355 billion total parameters with 32 billion active parameters, while GLM-4.5-Air adopts a more compact design with 106 billion total parameters and 12 billion active parameters. GLM-4.5 models unify reasoning, coding, and intelligent agent capabilities to meet the complex demands of intelligent agent applications.
zai-org/GLM-4.5 is available via Fireworks' serverless API, where you pay per token. There are several ways to call the Fireworks API, including Fireworks' Python client, the REST API, or OpenAI's Python client.
Learn MoreOn-demand deployments allow you to use zai-org/GLM-4.5 on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.
Learn MoreFunction calling for this model is available to try on Fireworks today.
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