Model Comparison

DiffusionGemma 26B-A4B vs Muse Spark 1.1Which is better in 2026?

Muse Spark 1.1 significantly outperforms across most benchmarks.

Verdict: DiffusionGemma 26B-A4B vs Muse Spark 1.1 — which is better?

DiffusionGemma 26B-A4B (by Google) and Muse Spark 1.1 (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

DiffusionGemma 26B-A4B outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (Humanity's Last Exam). Muse Spark 1.1 significantly outperforms across most benchmarks.

Choose DiffusionGemma 26B-A4B if…

  • you need open weights you can self-host or fine-tune

Choose Muse Spark 1.1 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

DiffusionGemma 26B-A4B outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (Humanity's Last Exam).

Muse Spark 1.1 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

Both DiffusionGemma 26B-A4B and Muse Spark 1.1 support multimodal inputs.

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

DiffusionGemma 26B-A4B

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

DiffusionGemma 26B-A4B is licensed under Apache 2.0, 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.

DiffusionGemma 26B-A4B

Apache 2.0

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

DiffusionGemma 26B-A4B was released on 2026-06-10, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 1 month newer than DiffusionGemma 26B-A4B.

DiffusionGemma 26B-A4B

Jun 10, 2026

1 months ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

4w newer

Knowledge Cutoff

When training data ends

DiffusionGemma 26B-A4B has a documented knowledge cutoff of 2025-01-01, while Muse Spark 1.1's cutoff date is not specified.

We can confirm DiffusionGemma 26B-A4B's training data extends to 2025-01-01, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.

DiffusionGemma 26B-A4B

Jan 2025

Muse Spark 1.1

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Outputs Comparison

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Key Takeaways

Google
Has open weights
Meta
Higher Humanity's Last Exam score (62.1% vs 11.9%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against DiffusionGemma 26B-A4B and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

DiffusionGemma 26B-A4B
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Google
DiffusionGemma 26B-A4B
Meta
Muse Spark 1.1

FAQ

Common questions about DiffusionGemma 26B-A4B vs Muse Spark 1.1.

Which is better, DiffusionGemma 26B-A4B or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. DiffusionGemma 26B-A4B is made by Google and Muse Spark 1.1 is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DiffusionGemma 26B-A4B compare to Muse Spark 1.1 in benchmarks?

DiffusionGemma 26B-A4B scores MMMLU: 81.5%, MMLU-Pro: 77.6%, GPQA: 73.2%, MathVision: 70.5%, AIME 2026: 69.1%. 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%.

What are the main differences between DiffusionGemma 26B-A4B and Muse Spark 1.1?

Key differences include licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DiffusionGemma 26B-A4B and Muse Spark 1.1?

DiffusionGemma 26B-A4B is developed by Google and Muse Spark 1.1 is developed by Meta.

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