Laguna S 2.1 vs Muse Spark 1.1: Specs & Benchmark Comparison
Laguna S 2.1 is developed by Poolside, while Muse Spark 1.1 comes from Meta. Both were released in July 2026. Laguna S 2.1 has a published size of about 118 billion parameters; Meta has not disclosed the parameter count of Muse Spark 1.1.
We have 6 benchmark results for Laguna S 2.1 and 4 benchmark results for Muse Spark 1.1, but they overlap on a single test: Terminal-Bench 2.1, where Muse Spark 1.1 scores 80.0% against 70.2%.
Laguna S 2.1 is the cheaper API at $0.10 per million input tokens and $0.20 per million output tokens, roughly 13 times cheaper than Muse Spark 1.1 at $1.25 and $4.25. Both accept a context window of about 1M tokens. Laguna S 2.1 accepts text as input, while Muse Spark 1.1 accepts text and images. On tooling, only Muse Spark 1.1 supports function calling and only Muse Spark 1.1 offers structured output.
| Characteristic | Laguna S 2.1 | Muse Spark 1.1 |
|---|---|---|
| Company | Poolside | Meta |
| Release Date | July 21, 2026 | July 9, 2026 |
| Parameters | 118B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | — | 131K |
| Input Price / 1M | $0.10 | $1.25 |
| Output Price / 1M | $0.20 | $4.25 |
| Average Score | 57.4% | 84.3% |
| Benchmarks | ||
| Terminal-Bench 2.1 | 70.2% | 80.0% |
Visual Benchmark Comparison
Verdict
Laguna S 2.1 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Laguna S 2.1 — 0.6, Muse Spark 1.1 — 0.8.
Laguna S 2.1 is 18.3x cheaper: input $0.10/1M vs $1.25/1M tokens.
Laguna S 2.1 supports a larger context: 1M vs 1M tokens.
Both models were released around the same time: 7/21/2026 and 7/9/2026.
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Frequently Asked Questions
Which is better for coding — Laguna S 2.1 or Muse Spark 1.1?
Which model is cheaper — Laguna S 2.1 or Muse Spark 1.1?
Which has a larger context window — Laguna S 2.1 or Muse Spark 1.1?
The Laguna S 2.1 and Muse Spark 1.1 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 1.1 page. See also the complete list of AI model comparisons.