Ternary Bonsai 2 27B

PrismML · released 18 Sept 2026

Input$0.075per 1M tokens

Output$0.5per 1M tokens

Context262Ktokens

WeightsOpen

context on a 1K–2M scale

About

Bonsai 2 27B is a 27B-parameter reasoning model from PrismML derived from Qwen3.8-27B. It supports coding, mathematics, tool calling, and image understanding with a 262K-token context window.

Details

Lab: PrismMLopenrouter.ai · 3 Oct 2026
Context: 262Kopenrouter.ai · 3 Oct 2026
Input price: $0.075 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $0.5 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 32,768 tokensopenrouter.ai · 3 Oct 2026
Inputs: text, imageopenrouter.ai · 3 Oct 2026
Open weights: Yesopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/prism-ml/ternary-bonsai-2-27b· checked 3 Oct 2026