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Muse Spark Open vs Shieldstral 1.0 (3B)

Muse Spark Open leads the LLM Stats Score 45.3 to -2.7.

Meta · Mistral AI · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 45.3 to -2.7, ranking #42 overall.

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

Choose Muse Spark Open

  • overall performance matters — it scores 45.3 and ranks #42 on LLM Stats
  • you want the most recent training data — it shipped Oct 2026

Choose Shieldstral 1.0 (3B)

  • you are already invested in the Mistral AI ecosystem

At a glance

The differences that matter most.

Muse Spark Open
Meta
Shieldstral 1.0 (3B)
Mistral AI
Core performance indexes
LLM Stats Score
45.3
#42
-2.7
#364
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.25 / M
— / M
Output price
$4.25 / M
— / M
Context window
1,048,576
—

Individual benchmarks

17 reported for Muse Spark Open · 1 for Shieldstral 1.0 (3B)

No common benchmarks found

Muse Spark Open and Shieldstral 1.0 (3B)don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

813.0B diff

Muse Spark Open has 813.0B more parameters than Shieldstral 1.0 (3B), making it 27100.0% larger.

Meta
Muse Spark Open
816.0Bparameters
Mistral AI
Shieldstral 1.0 (3B)
3.0Bparameters
816.0B
Muse Spark Open
3.0B
Shieldstral 1.0 (3B)

Context Window

Maximum input and output token capacity

Only Muse Spark Open specifies input context (1,048,576 tokens). Only Muse Spark Open specifies output context (1,048,576 tokens).

Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Mistral AI
Shieldstral 1.0 (3B)
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Muse Spark Open and Shieldstral 1.0 (3B) support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Muse Spark Open

Text
Images
Audio
Video

Shieldstral 1.0 (3B)

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Shieldstral 1.0 (3B) uses Apache 2.0.

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

Muse Spark Open

Muse Model License

Open weights

Shieldstral 1.0 (3B)

Apache 2.0

Open weights

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Shieldstral 1.0 (3B) was released on 2026-08-04.

Muse Spark Open is 2 months newer than Shieldstral 1.0 (3B).

Muse Spark Open

Oct 15, 2026

5 days ago

2mo newer
Shieldstral 1.0 (3B)

Aug 4, 2026

2 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Spark Open and Shieldstral 1.0 (3B) side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Shieldstral 1.0 (3B)
Open in Playground

FAQ

Common questions about Muse Spark Open vs Shieldstral 1.0 (3B).

Which is better, Muse Spark Open or Shieldstral 1.0 (3B)?

Muse Spark Open leads the LLM Stats Score 45.3 to -2.7. Muse Spark Open is made by Meta and Shieldstral 1.0 (3B) is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Muse Spark Open compare to Shieldstral 1.0 (3B) in benchmarks?

Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%. Shieldstral 1.0 (3B) scores XSTest: 94.6%.

What are the context window sizes for Muse Spark Open and Shieldstral 1.0 (3B)?

Muse Spark Open supports 1.0M tokens and Shieldstral 1.0 (3B) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Spark Open and Shieldstral 1.0 (3B)?

Key differences include LLM Stats Score (45.3 vs -2.7), licensing (Muse Model License vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Shieldstral 1.0 (3B)?

Muse Spark Open is developed by Meta and Shieldstral 1.0 (3B) is developed by Mistral AI.

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