Model Comparison

Gemini 3.5 Flash vs Muse Spark 1.1Which is better in 2026?

Muse Spark 1.1 significantly outperforms across most benchmarks.

Verdict: Gemini 3.5 Flash vs Muse Spark 1.1 — which is better?

Gemini 3.5 Flash (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.

Gemini 3.5 Flash outperforms in 1 benchmarks (Finance Agent v2), while Muse Spark 1.1 is better at 6 benchmarks (CharXiv-R, Humanity's Last Exam, MCP Atlas, OSWorld-Verified, SWE-Bench Pro, Toolathlon). Muse Spark 1.1 significantly outperforms across most benchmarks.

Choose Gemini 3.5 Flash if…

  • you want predictable pricing at $1.50/M input and $9.00/M output

Choose Muse Spark 1.1 if…

  • you want the strongest raw capability — it leads on 6 of 7 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Gemini 3.5 Flash outperforms in 1 benchmarks (Finance Agent v2), while Muse Spark 1.1 is better at 6 benchmarks (CharXiv-R, Humanity's Last Exam, MCP Atlas, OSWorld-Verified, SWE-Bench Pro, Toolathlon).

Muse Spark 1.1 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Gemini 3.5 Flash specifies input context (1,048,576 tokens). Only Gemini 3.5 Flash specifies output context (65,536 tokens).

Google
Gemini 3.5 Flash
Input1,048,576 tokens
Output65,536 tokens
Meta
Muse Spark 1.1
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3.5 Flash and Muse Spark 1.1 support multimodal inputs.

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

Gemini 3.5 Flash

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.5 Flash

Proprietary

Closed source

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash was released on 2026-05-19, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 2 months newer than Gemini 3.5 Flash.

Gemini 3.5 Flash

May 19, 2026

1 months ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

1mo newer

Knowledge Cutoff

When training data ends

Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while Muse Spark 1.1's cutoff date is not specified.

We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without Muse Spark 1.1's cutoff date.

Gemini 3.5 Flash

Jan 2026

Muse Spark 1.1

—

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Higher Finance Agent v2 score (57.9% vs 57.2%)
Meta
Higher CharXiv-R score (88.4% vs 84.2%)
Higher Humanity's Last Exam score (62.1% vs 40.2%)
Higher MCP Atlas score (88.1% vs 83.6%)
Higher OSWorld-Verified score (80.8% vs 78.4%)
Higher SWE-Bench Pro score (61.5% vs 55.1%)
Higher Toolathlon score (75.6% vs 56.5%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 3.5 Flash and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

Gemini 3.5 Flash
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 3.5 Flash
Meta
Muse Spark 1.1

FAQ

Common questions about Gemini 3.5 Flash vs Muse Spark 1.1.

Which is better, Gemini 3.5 Flash or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. Gemini 3.5 Flash 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 Gemini 3.5 Flash compare to Muse Spark 1.1 in benchmarks?

Gemini 3.5 Flash scores CharXiv-R: 84.2%, MCP Atlas: 83.6%, MMMU-Pro: 83.6%, OSWorld-Verified: 78.4%, Terminal-Bench 2.0: 76.2%. 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%.

What are the context window sizes for Gemini 3.5 Flash and Muse Spark 1.1?

Gemini 3.5 Flash supports 1.0M tokens and Muse Spark 1.1 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 3.5 Flash and Muse Spark 1.1?

Gemini 3.5 Flash is developed by Google and Muse Spark 1.1 is developed by Meta.

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