Space Bunny Alpha vs Meta: Muse Spark 1.3 Contributor
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-24.
| Space Bunny Alpha | Meta: Muse Spark 1.3 Contributor | |
|---|---|---|
| Vendor | stealth | meta |
| Quality Score | 100 | 100 |
| Input Price | Free | $0.10/M |
| Output Price | Free | $0.20/M |
| Context Window | 1,000,000 | 1,048,576 |
| Max Output | 524,288 | 943,718 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Space Bunny Alpha costs $0 and Muse Spark 1.3 Contributor costs $0.15, so Space Bunny Alpha is free for the same work.
Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.
Only Muse Spark 1.3 Contributor offers audio input.
Across the 6 tasks where they differ, Space Bunny Alpha scores higher on 6 (Code Completion, Code Documentation, Regex Writing and others).
Pick Space Bunny Alpha if you need lower cost or the stronger all-round task scores; pick Muse Spark 1.3 Contributor if you need audio 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 | Space Bunny Alpha | Meta: Muse Spark 1.3 Contributor |
|---|---|---|
| Code Completion | 132 | 131 |
| Code Documentation | 132 | 131 |
| Regex Writing | 120 | 119 |
| JSON Extraction | 132 | 131 |
| Bulk Data Labeling | 130 | 129 |
| Short-Form Summarization | 124 | 123 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →