Space Bunny Alpha vs Meta: Muse Spark 1.2 Contributor
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-24.
| Space Bunny Alpha | Meta: Muse Spark 1.2 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 1.2 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 1.2 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).
Space Bunny Alpha was released in September 2026 and Muse Spark 1.2 Contributor in August 2026.
Pick Space Bunny Alpha if you need lower cost or the stronger all-round task scores; pick Muse Spark 1.2 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 1.2 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 →