PrismML released Ternary Bonsai 2 27B, a ternary-weight model based on Qwen3.8 27B. It is about 5.9 GB—roughly 9x smaller than the full-precision counterpart—while retaining 98.2% of aggregate benchmark performance. PrismML says the release improves agentic coding, multimodal reasoning, and long-horizon tool use, and ships under Apache 2.0.

Key Takeaways

  • ✓The ternary-weight model is about 5.9 GB and 9x smaller than its full-precision counterpart.
  • ✓PrismML reports 98.2% aggregate benchmark retention with gains in agentic coding, multimodal reasoning, and long-horizon tool use.
  • ✓It is available under Apache 2.0 with Hugging Face weights, a paper, a WebGPU demo, and a supporting llama.cpp fork.
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