Laguna S 2.1 vs Muse Spark 1.3: Specs & Benchmark Comparison
| Characteristic | Laguna S 2.1 | Muse Spark 1.3 |
|---|---|---|
| Company | Poolside | Meta |
| Release Date | July 21, 2026 | September 2, 2026 |
| Parameters | 118B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | — | 944K |
| Input Price / 1M | $0.10 | $0.10 |
| Output Price / 1M | $0.20 | $0.20 |
| Average Score | 0.6 | 0.7 |
| Benchmarks | ||
| DeepSWE 1.1 | 0.4 | 0.8 |
| Terminal-Bench 2.1 | 0.7 | 0.9 |
| SWE Atlas - Codebase QnA | 0.5 | 0.6 |
Visual Benchmark Comparison
Laguna S 2.1
Muse Spark 1.3
DeepSWE 1.10.4 vs 0.8
0.4
0.8
Terminal-Bench 2.10.7 vs 0.9
0.7
0.9
SWE Atlas - Codebase QnA0.5 vs 0.6
0.5
0.6
Verdict
Muse Spark 1.3 leads in 1 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Laguna S 2.1 — 0.6, Muse Spark 1.3 — 0.7.
API Cost
API cost is identical: input $0.10/1M, output $0.20/1M tokens.
Context Window
Same context size: 1M tokens.
Recency
Muse Spark 1.3 is newer: released 9/2/2026 vs 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Laguna S 2.1 or Muse Spark 1.3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Laguna S 2.1 or Muse Spark 1.3?
Laguna S 2.1 is cheaper for input: $0.10 per 1M tokens vs $0.10.
Which has a larger context window — Laguna S 2.1 or Muse Spark 1.3?
Laguna S 2.1 supports a larger context: 1,048,576 tokens vs 1,048,576.
The Laguna S 2.1 and Muse Spark 1.3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Laguna S 2.1 or Muse Spark 1.3 page. See also the complete list of AI model comparisons.