The AI arena is free today

Open Superagent

Laguna S 2.1 vs Muse Spark 1.1

Muse Spark 1.1 leads the LLM Stats Score 51.0 to 41.4. Laguna S 2.1 is 16.0x cheaper per token.

Poolside · Meta · Updated for 2026

Which is better?

Muse Spark 1.1 leads the overall LLM Stats Score 51.0 to 41.4, ranking #12 overall.

In the 4 individual benchmarks reported for both models, Muse Spark 1.1 wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Laguna S 2.1 is roughly 16.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Laguna S 2.1

  • cost matters — it's about 16.0x cheaper per token
  • you want the most recent training data — it shipped Jul 2026
  • you need open weights you can self-host or fine-tune

Choose Muse Spark 1.1

  • overall performance matters — it scores 51.0 and ranks #12 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results

At a glance

The differences that matter most.

Core performance indexes
41.4
#43
51.0
#12
41.5
#40
51.5
#9
33.1
#37
37.3
#23
25.7
#43
37.0
#13
Cost, coverage & limits
Benchmark wins
0 of 4
4 of 4
Input price
$0.10 / M
$1.25 / M
Output price
$0.20 / M
$4.25 / M
Context window
1,048,576
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Laguna S 2.1
Muse Spark 1.1
18.9#56
32.7#7
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Laguna S 2.1 · 11 for Muse Spark 1.1

4 shared

Laguna S 2.1 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 4 benchmarks (DeepSWE 1.1, SWE-Bench Pro, Terminal-Bench 2.1, Toolathlon).

Muse Spark 1.1 significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Laguna S 2.1 costs less

For input processing, Laguna S 2.1 ($0.10/1M tokens) is 12.5x cheaper than Muse Spark 1.1 ($1.25/1M tokens).

For output processing, Laguna S 2.1 ($0.20/1M tokens) is 21.3x cheaper than Muse Spark 1.1 ($4.25/1M tokens).

In conclusion, Muse Spark 1.1 is more expensive than Laguna S 2.1.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
Poolside
Laguna S 2.1
Input tokens$0.10
Output tokens$0.20
Best providerPoolside
Meta
Muse Spark 1.1
Input tokens$1.25
Output tokens$4.25
Best providerMeta
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Only Muse Spark 1.1 specifies output context (131,072 tokens).

Poolside
Laguna S 2.1
Input1,048,576 tokens
Output- tokens
Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark 1.1 supports multimodal inputs, whereas Laguna S 2.1 does not.

Muse Spark 1.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Laguna S 2.1

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

Laguna S 2.1 is licensed under OpenMDW License v1.1, while Muse Spark 1.1 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Laguna S 2.1

OpenMDW License v1.1

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

Laguna S 2.1 was released on 2026-07-21, while Muse Spark 1.1 was released on 2026-07-09.

Laguna S 2.1 is 0 month newer than Muse Spark 1.1.

Laguna S 2.1

Jul 21, 2026

1 months ago

1w newer
Muse Spark 1.1

Jul 9, 2026

1 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Laguna S 2.1 is available from Poolside. Muse Spark 1.1 is available from Meta Model API.

Laguna S 2.1

poolside logo
Poolside
Input Price:Input: $0.10/1MOutput Price:Output: $0.20/1M

Muse Spark 1.1

meta logo
Meta
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Laguna S 2.1 and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

Laguna S 2.1
✓ Preferred
Muse Spark 1.1
Open in Playground

FAQ

Common questions about Laguna S 2.1 vs Muse Spark 1.1.

Which is better, Laguna S 2.1 or Muse Spark 1.1?

Muse Spark 1.1 leads the LLM Stats Score 51.0 to 41.4. Laguna S 2.1 is made by Poolside and Muse Spark 1.1 is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Laguna S 2.1 compare to Muse Spark 1.1 in benchmarks?

Laguna S 2.1 scores SWE-bench Multilingual: 78.5%, Terminal-Bench 2.1: 70.2%, SWE-Bench Pro: 59.4%, Toolathlon: 49.7%, SWE Atlas - Codebase QnA: 46.2%. Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%.

Is Laguna S 2.1 cheaper than Muse Spark 1.1?

Laguna S 2.1 is 12.5x cheaper for input tokens. Laguna S 2.1 costs $0.10/M input and $0.20/M output via poolside. Muse Spark 1.1 costs $1.25/M input and $4.25/M output via meta.

What are the context window sizes for Laguna S 2.1 and Muse Spark 1.1?

Laguna S 2.1 supports 1.0M tokens and Muse Spark 1.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Laguna S 2.1 and Muse Spark 1.1?

Key differences include LLM Stats Score (41.4 vs 51.0), input pricing ($0.10 vs $1.25/M), multimodal support (no vs yes), licensing (OpenMDW License v1.1 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Laguna S 2.1 and Muse Spark 1.1?

Laguna S 2.1 is developed by Poolside and Muse Spark 1.1 is developed by Meta.