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GLM-4.5

GLM-4.5 is an open‑weight hybrid reasoning Mixture‑of‑Experts LLM by Zhipu AI designed for intelligent agents. It supports thinking/non‑thinking modes, tool/function calling, and a 128K context window, with 355B total parameters (32B active) plus an efficient GLM‑4.5‑Air variant. MIT‑licensed BF16/FP8 weights with turnkey inference via Transformers, vLLM, and SGLang.

Key Information

  • Category: Language Models
  • Source: Huggingface
  • Tags: text-generation
  • Last updated: February 24, 2026

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Canonical source: https://huggingface.co/zai-org/GLM-4.5

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