GLM-4.5 - Unifying agentic capabilities in one open model
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GLM-4.5 is a new 355B parameter open-weight MoE model (32B active). It delivers state-of-the-art performance on reasoning, code, and agentic tasks. Both the 355B flagship and a 106B Air version are now available, featuring dual-mode inference.



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Loving the minimalist vibe Z AI feels like a refreshing take on model exploration. With an MIT license and GLM variants like Rumination and Reasoning, it’s clear this is more than a demo.
Big kudos for keeping it open, lightweight, and free to dive into!
Z.ai
@vivek_sharma_25Â Glad you like it! It means the world to us!
What a powerful model that high performence to fully support agent workflow building.
Haimeta
Love that you can just jump in and try these high-perf GLM models for free—no setup, super smooth UI. Ngl, that's the way to get ppl hooked!
Just ran a few reasoning prompts through GLM-4.5, really crisp results and surprisingly fast. Dual-mode inference is such a smart touch too. Open source done right.
Whoa, GLM-4.5 MoE is absolutely coooooool! The way it handles complex tasks with that mixture-of-experts architecture is mind-blowing - oops, did I just spend three hours playing with it instead of working? Totally worth it though!
@zixuan_lii Great Product! But a little bit slow compared to other Open AI Models.
Haimeta
Congratulations on the launch! Open source is the optimal path to drive the era forward, enabling global mutual benefit.