head-to-head

Google: Gemini 4 Carbon vs PrismML: Ternary Bonsai 2 9B

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-12.

Google: Gemini 4 Carbon PrismML: Ternary Bonsai 2 9B
Vendorgoogleprism-ml
Quality Score100100
Benchmark Score98.9-
Input Price$2.00/M$0.08/M
Output Price$10.00/M$0.13/M
Context Window1,048,576262,144
Max Output943,71865,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index99.0-

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Ternary Bonsai 2 9B costs $0.11 and Gemini 4 Carbon costs $4.50, so Ternary Bonsai 2 9B is about 40.0 times cheaper for the same work.

Gemini 4 Carbon reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 393 pages for Ternary Bonsai 2 9B.

Only Gemini 4 Carbon offers audio input and video input.

Across the 20 tasks where they differ, Gemini 4 Carbon scores higher on 16 (SQL Generation, Code Review, Code Refactoring and others), Ternary Bonsai 2 9B on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others).

Gemini 4 Carbon was released in November 2026 and Ternary Bonsai 2 9B in October 2026.

Pick Gemini 4 Carbon if you need long documents, audio input, video input 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.

Who wins by task?

TaskGoogle: Gemini 4 CarbonPrismML: Ternary Bonsai 2 9B
SQL Generation 144 131
Code Review 150 126
Code Completion 119 129
Code Refactoring 151 127
Bug Fixing 154 130
Unit Test Generation 135 121
Code Documentation 138 126
Regex Writing 127 120
CI/CD Pipelines 131 117
Frontend Component Design 133 122
Data Analysis 138 124
CSV / Spreadsheet Cleanup 136 128
ETL Scripting 141 122
JSON Extraction 121 132
Bulk Data Labeling 118 129
OCR / Document Parsing 135 128
Table Extraction from PDFs 135 128
Long-Document Summarization 152 129
Short-Form Summarization 118 124
Blog Post Writing 132 119

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

Related comparisons

Google: Gemini 4 Carbon vs Google: Gemini 4 Carbon (batch) Google: Gemini 4 Carbon vs Nex AGI: Nex-N2.6 Google: Gemini 4 Carbon vs Meta: Muse Ember Google: Gemini 4 Carbon vs Tencent: Hy4 Google: Gemini 4 Carbon vs Z.ai: GLM 5.3 FlashX Legal Google: Gemini 4 Carbon vs Particle AI: Particle-1 Google: Gemini 4 Carbon vs OpenAI: GPT-6.1 Terra Pro Google: Gemini 4 Carbon vs OpenAI: GPT-6.1 Terra Pro (batch)

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.