Tencent: Hy4 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 Hy4 costs $0.73, so Ternary Bonsai 2 9B is about 6.5 times cheaper for the same work.

Hy4 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, Hy4 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).

Hy4 was released in November 2026 and Ternary Bonsai 2 9B in October 2026.

Pick Hy4 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.