Particle AI: Particle-1 vs Meta: Muse Spark Open
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-02.
| Particle AI: Particle-1 | Meta: Muse Spark Open | |
|---|---|---|
| Vendor | particle-ai | meta |
| Quality Score | 100 | 100 |
| Input Price | $0.05/M | $1.25/M |
| Output Price | $0.50/M | $4.25/M |
| Context Window | 1,048,576 | 1,048,576 |
| Max Output | 131,072 | 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, Particle-1 costs $0.17 and Muse Spark Open costs $2.31, so Particle-1 is about 13.2 times cheaper for the same work.
Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.
Only Muse Spark Open offers audio input and video input.
Across the 10 tasks where they differ, Particle-1 scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).
Pick Particle-1 if you need lower cost or the stronger all-round task scores; pick Muse Spark Open if you need audio input or video input.
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 | Particle AI: Particle-1 | Meta: Muse Spark Open |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 131 | 118 |
| Code Documentation | 131 | 130 |
| Regex Writing | 119 | 118 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 131 | 122 |
| Bulk Data Labeling | 129 | 120 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 123 | 114 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →