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🌏 GLM-4.5 Agentic AI Model from Z.ai Launches as Open-Source Frontier Challenger


NewBits Digest feature showcasing the Z.ai logo, highlighting the open-source GLM-4.5 agentic AI model and its benchmark performance — part of our coverage on frontier-scale AI development.

Z.ai (formerly Zhipu AI, one of China’s leading AI labs) has launched the GLM-4.5 agentic AI model, a powerful open-source release aimed at rivaling the best in the field—while remaining completely accessible. With 355 billion parameters, it stands as one of the most capable public models ever released and underscores China’s growing influence in the global AI race.


⚙️ What Sets the GLM-4.5 Agentic AI Model Apart:


  • Unified Capabilities:


    GLM-4.5 merges reasoning, coding, and agentic behavior in a single model. It uses “hybrid thinking” to dynamically balance speed with task complexity, allowing for more effective autonomous workflows.


  • Performance Edge:


    Z.ai claims that the GLM-4.5 agentic AI model ranks just behind o3 and Grok 4 in general benchmarks—while outperforming both in agentic tasks like autonomous tool use, achieving a 90% success rate.


  • Two Versions for Different Needs:


    • GLM-4.5: Full-scale model with 355B parameters

    • GLM-4.5-Air: Lightweight variant optimized for faster inference


    Both versions are open-weight and freely available to the public.


  • Open Infrastructure:


    Z.ai also released SLIME, its proprietary training framework, enabling other developers to train, fine-tune, or deploy large models using the same tech stack.


📉 Competitive Edge in Cost and Access


Z.ai isn’t just targeting performance leadership—it’s disrupting on price. By offering top-tier capabilities at lower cost than competitors like DeepSeek, the GLM-4.5 agentic AI model is poised to gain rapid traction among researchers and enterprises alike.


🌐 Why It’s Important


The release of GLM-4.5 adds pressure on Western AI leaders like OpenAI, Anthropic, and Meta. With other Chinese labs such as Qwen, MiniMax, and Kimi also releasing competitive models, the global AI ecosystem is evolving fast—and openly.


As open agentic AI models like GLM-4.5 grow stronger, the gap between public and closed frontier systems is closing. This model is not just a milestone for Z.ai—it’s a sign that the next wave of AI may be both open and agentic.



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