Zhipu AI, the Beijing-based company behind the ChatGLM series, plans to release the full model weights for GLM-5.1 on April 6 or 7. Once published, anyone can download and run the model locally - no API fees, no usage limits, complete privacy.
GLM-5.1 is Zhipu's latest flagship model, and releasing the weights puts it in direct competition with Meta's Llama, Mistral's open models, and Alibaba's Qwen series for the local deployment crowd. For users running AI models on their own hardware (an increasingly popular option thanks to tools like Ollama and llama.cpp), another strong open-weight model means more choice and better competition.
The timing is notable. Open-source AI releases have accelerated sharply in 2026, with Chinese labs in particular publishing weights that rival proprietary models on standard benchmarks. Zhipu has been steadily climbing benchmark rankings, and GLM-5.1 is expected to be competitive with mid-tier proprietary models on reasoning and coding tasks.
For anyone running local models today, this is one to watch when the weights drop next week. The real test will be community benchmarks and how well it handles English-language tasks - historically a weaker point for Chinese-origin models, though the gap has narrowed significantly.