Bonsai 2 27B

Name: Bonsai 2 27B
Author: Prismml

Prismml🇺🇸 United States

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Version History

2.0majorSeptember 17, 2026

Bonsai 2 27B compresses Alibaba's Qwen3.8 27B down to 5.9GB while retaining a claimed 98% of aggregate benchmark performance, up from 95% in the original Bonsai release in March. The model uses ternary weight quantization to achieve a 9x-10x reduction in memory footprint versus the uncompressed original.

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model releasePrismml

PrismML's Bonsai 2 Compresses 27B-Parameter Model to 5.9GB, Retains 98% of Benchmark Performance

PrismML released Bonsai 2 27B, a compressed version of Alibaba's Qwen3.8 27B model that shrinks memory footprint by 9x to 10x down to 5.9GB. The startup claims 98% aggregate benchmark parity with the original, up from 95% in its first release, using a ternary weight compression technique.

September 17, 2026 · 10:50 PM3 min read

PrismML model compression LLM