head-to-head

PrismML: Ternary Bonsai 2 27B vs DeepSeek: DeepSeek V4.1 Flash (batch)

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

PrismML: Ternary Bonsai 2 27B DeepSeek: DeepSeek V4.1 Flash (batch)
Vendorprism-mldeepseek
Quality Score100100
Input Price$0.07/M$0.01/M
Output Price$0.50/M$0.20/M
Context Window262,1441,048,576
Max Output32,768943,718
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4.1 Flash (batch) costs $0.061 and Ternary Bonsai 2 27B costs $0.20, so DeepSeek V4.1 Flash (batch) is about 3.3 times cheaper for the same work.

DeepSeek V4.1 Flash (batch) reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Ternary Bonsai 2 27B.

Across the 18 tasks where they differ, DeepSeek V4.1 Flash (batch) on 18 (SQL Generation, Code Review, Code Completion and others).

Pick DeepSeek V4.1 Flash (batch) if you need lower cost, long documents or the stronger all-round task scores.

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?

TaskPrismML: Ternary Bonsai 2 27BDeepSeek: DeepSeek V4.1 Flash (batch)
SQL Generation 131 134
Code Review 126 132
Code Completion 129 132
Code Refactoring 127 136
Bug Fixing 130 136
Unit Test Generation 121 124
Code Documentation 126 132
Regex Writing 119 120
CI/CD Pipelines 117 120
CSV / Spreadsheet Cleanup 128 134
ETL Scripting 122 128
JSON Extraction 131 132
Bulk Data Labeling 129 129
OCR / Document Parsing 128 131
Table Extraction from PDFs 128 131
Long-Document Summarization 129 138
Short-Form Summarization 123 124
Blog Post Writing 119 122

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

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