head-to-head

OpenAI: GPT-6 Sol vs PrismML: Ternary Bonsai 2 27B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT-6 Sol PrismML: Ternary Bonsai 2 27B
Vendoropenaiprism-ml
Quality Score100100
Input Price$2.00/M$0.07/M
Output Price$10.00/M$0.50/M
Context Window1,050,000262,144
Max Output128,00032,768
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Ternary Bonsai 2 27B costs $0.20 and GPT-6 Sol costs $4.50, so Ternary Bonsai 2 27B is about 22.5 times cheaper for the same work.

GPT-6 Sol reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 393 pages for Ternary Bonsai 2 27B.

Across the 18 tasks where they differ, GPT-6 Sol scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Ternary Bonsai 2 27B on 5 (Code Completion, Regex Writing, JSON Extraction and others).

Pick GPT-6 Sol 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.

Who wins by task?

TaskOpenAI: GPT-6 SolPrismML: Ternary Bonsai 2 27B
SQL Generation 132 131
Code Review 132 126
Code Completion 117 129
Code Refactoring 136 127
Bug Fixing 136 130
Unit Test Generation 124 121
Code Documentation 129 126
Regex Writing 117 119
CI/CD Pipelines 120 117
CSV / Spreadsheet Cleanup 132 128
ETL Scripting 128 122
JSON Extraction 121 131
Bulk Data Labeling 118 129
OCR / Document Parsing 131 128
Table Extraction from PDFs 131 128
Long-Document Summarization 136 129
Short-Form Summarization 113 123
Blog Post Writing 120 119

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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