80B Qwen AI Model Now Runs Locally on 4.3GB RAM Using Advanced Compression
Developers in 2026 demonstrated that an 80B-parameter Qwen language model can run on just 4.3GB of RAM on consumer Apple hardware, sparking widespread attention online. The feat is achieved through a combination of techniques including structural pruning, group-wise weight sharing, and dictionary coding, reducing the model to roughly 25 billion live parameters before further compression. Apple's M5 Max chip plays a central role, offering over 900GB/s memory bandwidth and a sparse-matrix-aware AMX-3 coprocessor that sustains around 4–5 tokens per second locally. A 35B model was separately reported running on a base iPhone 18 Pro, entirely on-device without cloud connectivity. These developments mark a significant shift in edge AI, making large language models practical for private, battery-powered, offline use on mainstream consumer devices.
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