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PrismML: Ternary Bonsai 2 9B

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Ternary Bonsai 2 9B is PrismML’s compact, open-weight language model for conversational AI, reasoning, and tool use. Built on Qwen3.5, it uses ternary weights packed into 2 bits for efficient...

Context
262k tokens
Input / 1M tokens
$0.09
Output / 1M tokens
$0.14
Benchmark
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Uptime & performance

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Pricing

Input tokens$0.09 per 1M tokens
Output tokens$0.14 per 1M tokens
Cache read$0.04 per 1M tokens

Apps and activity

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Technical details

Model IDprism-ml/ternary-bonsai-2-9b
Context window262k tokens
Input modalitiestext, image
Output modalitiestext
TokenizerQwen
Max output tokens65,536

Use with MegaBrain

import OpenAI from 'openai'

const client = new OpenAI({
  baseURL: 'https://getmegabrain.com/api/gateway/v1',
  apiKey: process.env.MEGABRAIN_API_KEY,
})

const response = await client.chat.completions.create({
  model: 'prism-ml/ternary-bonsai-2-9b',
  messages: [{ role: 'user', content: 'Hello!' }],
})

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