Atomic Chat
Atomic Chat published a guide on September 18, 2026 covering Bonsai 2 27B, an open-weight ternary language model released by Prism ML on September 17, 2026 under the Apache 2.0 license. Bonsai 2 27B is Qwen3.8-27B compressed to 1.72 bits per weight using a ternary g128 format (weights of -1, 0, or +1 with a shared FP16 The guide is on-topic for Atomic Chat as a provider because it explicitly documents a current coverage gap: it states that Ollama, LM Studio, and Atomic Chat cannot load Bonsai 2 27B today, and routes users to Prism ML's llama.cpp fork plus a custom llama-server (with an option to run it through Atomic Chat via that ll
