FAST & FRUGAL · PrismML

Ternary Bonsai 2 27B

Ternary Bonsai 2 27B is a reasoning, tool-using model from PrismML in the PrismML family, living in Silvergrass Fields (fast & frugal). It reads text and images and writes text, with a 262K-token context window and up to 33K tokens of output. On OpenRouter it costs $0.080 per million input tokens and $0.500 per million output tokens.

See Ternary Bonsai 2 27B in 3D Open in the Worktable View on OpenRouter

Specifications

Provider: PrismML
Family: PrismML
Province: Silvergrass Fields
Context window: 262K tokens
Maximum output: 33K tokens
Input / 1M tokens: $0.080
Output / 1M tokens: $0.500
Accepts: text, images
Produces: text
Reasoning: Yes
Tool use: Yes
Added to OpenRouter: 2026-09-18
Model ID: prism-ml/ternary-bonsai-2-27b
Price history: —All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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