MoonshotAI: Kimi K3.1 Pro vs PrismML: Ternary Bonsai 2 9B

For a sample job of 1 million input tokens and 250,000 output tokens, Ternary Bonsai 2 9B costs $0.11 and Kimi K3.1 Pro costs $4.50, so Ternary Bonsai 2 9B is about 40.0 times cheaper for the same work.

Kimi K3.1 Pro reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Ternary Bonsai 2 9B.

Only Kimi K3.1 Pro offers video input.

Across the 18 tasks where they differ, Kimi K3.1 Pro scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Ternary Bonsai 2 9B on 5 (Code Completion, Regex Writing, JSON Extraction and others).

Pick Kimi K3.1 Pro if you need long documents, video input or the stronger all-round task scores; pick Ternary Bonsai 2 9B if you need lower cost.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.