Model Comparison

Gemini 3.5 Flash vs Muse SparkWhich is better in 2026?

Gemini 3.5 Flash shows notably better performance in the majority of benchmarks.

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

Gemini 3.5 Flash (by Google) and Muse Spark (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 5 benchmarks (ARC-AGI v2, GDPval-AA, MMMU-Pro, SWE-Bench Pro, Terminal-Bench 2.0), while Muse Spark is better at 2 benchmarks (CharXiv-R, Humanity's Last Exam). Gemini 3.5 Flash shows notably better performance in the majority of benchmarks.

Choose Gemini 3.5 Flash if…

  • you want the strongest raw capability — it leads on 5 of 7 shared benchmarks
  • you want the most recent training data — it shipped May 2026

Choose Muse Spark if…

  • you are already invested in the Meta ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

7 benchmarks

Gemini 3.5 Flash outperforms in 5 benchmarks (ARC-AGI v2, GDPval-AA, MMMU-Pro, SWE-Bench Pro, Terminal-Bench 2.0), while Muse Spark is better at 2 benchmarks (CharXiv-R, Humanity's Last Exam).

Gemini 3.5 Flash shows notably better performance in the majority of 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
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 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.5 Flash was released on 2026-05-19, while Muse Spark was released on 2026-04-08.

Gemini 3.5 Flash is 1 month newer than Muse Spark.

Gemini 3.5 Flash

May 19, 2026

1 months ago

1mo newer
Muse Spark

Apr 8, 2026

3 months ago

Knowledge Cutoff

When training data ends

Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while Muse Spark'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's cutoff date.

Gemini 3.5 Flash

Jan 2026

Muse Spark

—

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Higher ARC-AGI v2 score (72.1% vs 42.5%)
Higher GDPval-AA score (45.7% vs 38.8%)
Higher MMMU-Pro score (83.6% vs 80.4%)
Higher SWE-Bench Pro score (55.1% vs 52.4%)
Higher Terminal-Bench 2.0 score (76.2% vs 59.0%)
Meta
Higher CharXiv-R score (86.4% vs 84.2%)
Higher Humanity's Last Exam score (58.4% vs 40.2%)

Detailed Comparison

Interactive Arena

Judge for yourself.

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

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

FAQ

Common questions about Gemini 3.5 Flash vs Muse Spark.

Which is better, Gemini 3.5 Flash or Muse Spark?

Gemini 3.5 Flash shows notably better performance in the majority of benchmarks. Gemini 3.5 Flash is made by Google and Muse Spark 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 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 scores Tau2 Telecom: 91.5%, GPQA: 89.5%, CharXiv-R: 86.4%, ScreenSpot Pro: 84.1%, IPhO 2025: 82.6%.

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

Gemini 3.5 Flash supports 1.0M tokens and Muse Spark 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?

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

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