PrismML ships Ternary Bonsai 2 at 2B-27B: 430MB 2B runs 500 tok/s in-browser via WebGPU

victormustar · x · 2026-10-16

PrismML released more Ternary Bonsai 2 open-source models on Hugging Face in 2B, 4B, 9B and 27B sizes. At 1.8 bits per weight, the 2B LM weights are just 430MB and 4B about 950MB (plus 365MB for 8-bit vision weights). A tester reports the 2B hits up to 500 tok/s on an M4 Max entirely in the browser using custom WebGPU kernels, calling it a big day for open-source and local agentic AI.

Related event: PrismML open-sources ternary Bonsai 2 models, 2B runs in browser at 0.43GB(8 posts)→

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