PrismML: Ternary Bonsai 2 9B

Name: PrismML: Ternary Bonsai 2 9B
Author: OpenRouter

Ternary Bonsai 2 9B is PrismML’s compact, open-weight language model for conversational AI, reasoning, and tool use.

Context

262K

Max output

66K

Input price

$0.08/1M tokens

Output price

$0.13/1M tokens

Capabilities

Show unsupported (4)

Reasoning & Interaction

Reasoning

Tool Calling

Output Control

Structured Output

JSON Mode

Details

Model IDprism-ml/ternary-bonsai-2-9b

ProviderOpenRouter

Creatorprism-ml

Family—

License—

Status—

Type—

Input modalitiestext, image

Output modalitiestext

Open weight—

Parameters9B

Architecture—

Context window262K tokens

Max input—

Max output66K tokens

Reasoning tokens—

Knowledge cutoff—

Release date2026-10-16

Sourceofficial

Tools

Function Callingfunction_calling

Call external functions and APIs

Pricing

Input

$0.08

Output

$0.13

Cache write

—

Cache read

$0.04

Batch in

—

Batch out

—

API

GET/v1/models/openrouter/prism-ml/ternary-bonsai-2-9b