DeepSeek: DeepSeek V4.1 Flash 1017 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 DeepSeek V4.1 Flash 1017 costs $0.30, so Ternary Bonsai 2 9B is about 2.7 times cheaper for the same work.

DeepSeek V4.1 Flash 1017 reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Ternary Bonsai 2 9B.

Across the 18 tasks where they differ, DeepSeek V4.1 Flash 1017 scores higher on 14 (SQL Generation, Code Review, Code Completion and others), Ternary Bonsai 2 9B on 4 (Regex Writing, JSON Extraction, Bulk Data Labeling and others).

Pick DeepSeek V4.1 Flash 1017 if you need long documents 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.