Mistral: Mistral Large 4 vs PrismML: Ternary Bonsai 2 27B

For a sample job of 1 million input tokens and 250,000 output tokens, Ternary Bonsai 2 27B costs $0.20 and Mistral Large 4 costs $1.20, so Ternary Bonsai 2 27B is about 6.0 times cheaper for the same work.

Mistral Large 4 reads up to 524,288 tokens at once, roughly 786 pages of text, against about 393 pages for Ternary Bonsai 2 27B.

Across the 18 tasks where they differ, Mistral Large 4 scores higher on 14 (SQL Generation, Code Review, Code Completion and others), Ternary Bonsai 2 27B on 4 (Regex Writing, JSON Extraction, Bulk Data Labeling and others).

Mistral Large 4 was released in October 2026 and Ternary Bonsai 2 27B in September 2026.

Pick Mistral Large 4 if you need long documents or the stronger all-round task scores; pick Ternary Bonsai 2 27B 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.