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PrismML launches Bonsai 2 27B, a high-intelligence AI model so small it fits on consumer hardware

PrismML's Bonsai 2 27B runs on consumer laptops. Here's how ternary quantization got a 56GB model down to fit.

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Why it matters

Model compression via ternary quantization is enabling frontier-class performance on edge hardware—expanding where practitioners can deploy capable AI without cloud dependency or specialized accelerators.

The key facts

5 to know
  1. Bonsai 2 27B is a multimodal model based on Qwen 3.8 27B

  2. Uses ternary quantization (3-state compression) to reduce model size

  3. Original Qwen 3.8 27B: ~56GB; compressed version runs on consumer PCs and high-end mobile devices

  4. Second-generation release (Bonsai 2)

  5. Announced September 18, 2026

Go to the source

SiliconAnglesiliconangle.com

Publisher excerpt: Prism ML Inc. announced Thursday the launch of Bonsai 2 27B, the second generation of its ultra-compact multimodal generative artificial intelligence small enough to fit on PCs and some high-end mobile devices. The company said it used ternary, which uses three parts, to scale down its Qwen3.8…
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