OpenAI: GPT-6.1 Terra 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 GPT-6.1 Terra costs $2.25, so Ternary Bonsai 2 9B is about 20.0 times cheaper for the same work.

GPT-6.1 Terra reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 393 pages for Ternary Bonsai 2 9B.

Across the 18 tasks where they differ, GPT-6.1 Terra 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 GPT-6.1 Terra 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.