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Ternary Bonsai2 9B

Canonical ID: nano-gpt/prism-ml/ternary-bonsai-2-9b

Ternary Bonsai2 9B is Prism ML’s open-weight model derived from Qwen3.5-9B with ternary language weights. It accepts text and generates text, supports reasoning and tool calling, and offers a shared 262,144-token context window with up to 65,536 output tokens. Thinking is enabled by default and can be turned off.

Reasoning: Yes Tool use: Yes Open weights

Overview

text
Provider
NanoGPT logo NanoGPT
Release date
2026-10-23
Last updated
2026-10-23
Input modalities
text
Output modalities
text

Pricing and Limits

Token pricing

Input
$0.08/1M
Output
$0.13/1M
Cached input
N/A
Currency: USD

Context and output

Context window
262,144
Max output tokens
65,536
Qualified ID
nano-gpt/prism-ml/ternary-bonsai-2-9b

Model Summary

Ternary Bonsai2 9B is a model listing in the NanoGPT provider catalog. It is categorized under the ternary-bonsai-2-9b family.

The model supports text modalities across input/output paths. Reported context capacity is 262,144. Pricing is listed at $0.08/1M input and $0.13/1M output.

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