PrismML: Ternary Bonsai 2 9B vs Meta: Muse Spark Open
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-02.
| PrismML: Ternary Bonsai 2 9B | Meta: Muse Spark Open | |
|---|---|---|
| Vendor | prism-ml | meta |
| Quality Score | 100 | 100 |
| Input Price | $0.08/M | $1.25/M |
| Output Price | $0.13/M | $4.25/M |
| Context Window | 262,144 | 1,048,576 |
| Max Output | 65,536 | 131,072 |
| 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 9B costs $0.11 and Muse Spark Open costs $2.31, so Ternary Bonsai 2 9B is about 20.6 times cheaper for the same work.
Muse Spark Open 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 Muse Spark Open offers audio input and video input.
Across the 18 tasks where they differ, Ternary Bonsai 2 9B scores higher on 5 (Code Completion, Regex Writing, JSON Extraction and others), Muse Spark Open on 13 (SQL Generation, Code Review, Code Refactoring and others).
Pick Ternary Bonsai 2 9B if you need lower cost; pick Muse Spark Open if you need long documents, audio input, video input 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?
| Task | PrismML: Ternary Bonsai 2 9B | Meta: Muse Spark Open |
|---|---|---|
| SQL Generation | 131 | 133 |
| Code Review | 126 | 132 |
| Code Completion | 129 | 118 |
| Code Refactoring | 127 | 136 |
| Bug Fixing | 130 | 136 |
| Unit Test Generation | 121 | 124 |
| Code Documentation | 126 | 130 |
| Regex Writing | 120 | 118 |
| CI/CD Pipelines | 117 | 120 |
| CSV / Spreadsheet Cleanup | 128 | 133 |
| ETL Scripting | 122 | 128 |
| JSON Extraction | 132 | 122 |
| Bulk Data Labeling | 129 | 120 |
| OCR / Document Parsing | 128 | 131 |
| Table Extraction from PDFs | 128 | 131 |
| Long-Document Summarization | 129 | 137 |
| Short-Form Summarization | 124 | 114 |
| Blog Post Writing | 119 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →