AI model · PrismML
Ternary Bonsai 2 27B
Model ID: prism-ml/ternary-bonsai-2-27b
- Input
- $0.08 per 1M tokens
- Output
- $0.50 per 1M tokens
- Context
- 262K tokens at once
- Max output
- 33K tokens per reply
- Released
- 18 Sep 2026 PrismML
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- YesOpen weights
- NoFree to use
Takes text, image; gives text.
How its listing describes it
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.
Sources
- PrismML: Ternary Bonsai 2 27B on OpenRouter — read 2 Oct 2026