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PrismML: Ternary Bonsai 2 9B API Pricing

PrismML: Ternary Bonsai 2 9B is an API model from prism-ml. It costs $0.08 per 1M input tokens and $0.13 per 1M output tokens, with cached input at $0.04. Its context window is 262,144 tokens with up to 65,536 output tokens. A workload of 10M input + 2M output tokens costs about $1.06 per month.
Input
$0.08
per 1M tokens
Output
$0.13
per 1M tokens
Cached input
$0.04
per 1M tokens
Context window
262K
262,144 tokens
Blended (80/20)
$0.09
per 1M tokens

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...

How much does PrismML: Ternary Bonsai 2 9B cost for a real workload?

At 10M input + 2M output tokens per month, PrismML: Ternary Bonsai 2 9B costs about $1.06 ($0.8 input + $0.26 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to PrismML: Ternary Bonsai 2 9B?

Where to run PrismML: Ternary Bonsai 2 9B

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud · CometAPI: one API for 500+ models (GPT, Claude, Gemini and more) at about 80% of official prices. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

Run it on AI/ML API →Run it on Novita AI →Run it on CometAPI →

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Compare PrismML: Ternary Bonsai 2 9B with other models

PrismML: Ternary Bonsai 2 9B vs PrismML: Ternary Bonsai 2 27B

Frequently asked questions

How much does PrismML: Ternary Bonsai 2 9B cost?

PrismML: Ternary Bonsai 2 9B costs $0.08 per 1M input tokens and $0.13 per 1M output tokens (list price, snapshot October 28, 2026). At 10M input + 2M output tokens per month that is about $1.06.

What is the context window of PrismML: Ternary Bonsai 2 9B?

PrismML: Ternary Bonsai 2 9B has a context window of 262,144 tokens and can return up to 65,536 output tokens per response.

What are cheaper alternatives to PrismML: Ternary Bonsai 2 9B?

Cheaper models include DeepSeek: DeepSeek V4.1 Flash (batch) ($0.05 in / $0.15 out), Reka Edge ($0.1 in / $0.1 out), Mistral: Ministral 3 3B 2512 ($0.1 in / $0.1 out). See the full list on this page.

Is PrismML: Ternary Bonsai 2 9B free to use?

No. PrismML: Ternary Bonsai 2 9B is a paid model at $0.08 input / $0.13 output per 1M tokens. 19 free models are listed on the free models page.

Provider: prism-ml · Model ID: prism-ml/ternary-bonsai-2-9b · Modality: text+image->text · Price snapshot October 28, 2026, refreshed daily. How we collect prices