[KongchangAI]
ModelTernary Bonsai 2 27B / bonsai-2

Ternary Bonsai 2

A ternary-weight quantized language model derived from Qwen3.8-27B, compressing a 27-billion-parameter model to under 6 GB. It supports in-browser local inference via WebGPU and uses a {-1, 0, +1} ternary weight representation.

Timeline (last 90 days)

Sep 17

Ternary Bonsai 2 (27B) has been released on Hugging Face.

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Sep 17

The model file for Ternary Bonsai 2 is less than 6GB.

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Sep 17

Ternary Bonsai 2 can run locally directly in a browser using WebGPU.

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Sep 17

Ternary Bonsai 2 is derived from Qwen3.8-27B, a causal language model with a hybrid attention mechanism.

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Sep 17

The architecture of Ternary Bonsai 2 itself has not changed; what has changed is the way the weights are represented.

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Sep 17

According to the model card, Ternary Bonsai 2 is reduced to one-ninth the size of FP16 while retaining 98.2% of its intelligence performance.

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Sep 17

The 98.2% intelligence retention figure comes from the publisher's own model card and has not yet been independently reproduced or verified by a third party.

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Sep 17

The publisher has provided a WebGPU-based online demo (webml-community/ternary-bonsai-2-webgpu-kernels).

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