Muse Spark 1.1 vs Seed 2.1 Pro: Specs & Benchmark Comparison
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| Characteristic | Muse Spark 1.1 | Seed 2.1 Pro |
|---|---|---|
| Company | Meta | ByteDance |
| Release Date | July 9, 2026 | June 24, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 131K | — |
| Input Price / 1M | $1.25 | — |
| Output Price / 1M | $4.25 | — |
| Average Score | 0.8 | 0.6 |
| Benchmarks | ||
| Terminal-Bench 2.1 | 0.8 | 0.7 |
| MCP Atlas | 0.9 | 0.8 |
| CharXiv-R | 0.9 | 0.9 |
Visual Benchmark Comparison
Muse Spark 1.1
Seed 2.1 Pro
Terminal-Bench 2.10.8 vs 0.7
0.8
0.7
MCP Atlas0.9 vs 0.8
0.9
0.8
CharXiv-R0.9 vs 0.9
0.9
0.9
Verdict
Muse Spark 1.1 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Muse Spark 1.1 — 0.8, Seed 2.1 Pro — 0.6.
Recency
Muse Spark 1.1 is newer: released 7/9/2026 vs 6/24/2026.
More About These Models
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Frequently Asked Questions
Which is better for coding — Muse Spark 1.1 or Seed 2.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Muse Spark 1.1 or Seed 2.1 Pro?
API pricing data is available on the individual model pages.
Which has a larger context window — Muse Spark 1.1 or Seed 2.1 Pro?
Context window data is available on the individual model pages.
The Muse Spark 1.1 and Seed 2.1 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Muse Spark 1.1 or Seed 2.1 Pro page. See also the complete list of AI model comparisons.