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Gemini 3.8 Flash Cyber vs Muse Spark Open

Gemini 3.8 Flash Cyber and Muse Spark Open are closely matched at 39.2 and 44.9 on the LLM Stats Score.

Google · Meta · Updated for 2026

Which is better?

Gemini 3.8 Flash Cyber and Muse Spark Open are closely matched on the overall LLM Stats Score at 39.2 and 44.9.

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

Choose Gemini 3.8 Flash Cyber

  • you are already invested in the Google ecosystem

Choose Muse Spark Open

  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 3.8 Flash Cyber
Google
Muse Spark Open
Meta
Core performance indexes
LLM Stats Score
39.2
#74
44.9
#43
Coding
31.7
#52
33.0
#42
Agents
28.5
#54
30.6
#43
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$1.25 / M
Output price
— / M
$4.25 / M
Context window
—
1,048,576

Individual benchmarks

4 reported for Gemini 3.8 Flash Cyber · 17 for Muse Spark Open

No common benchmarks found

Gemini 3.8 Flash Cyber and Muse Spark Opendon'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

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).

Google
Gemini 3.8 Flash Cyber
Input- tokens
Output- tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Tue Oct 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark Open supports multimodal inputs, whereas Gemini 3.8 Flash Cyber does not.

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

Gemini 3.8 Flash Cyber

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3.8 Flash Cyber is licensed under a proprietary license, while Muse Spark Open uses Muse Model License.

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

Gemini 3.8 Flash Cyber

Proprietary

Closed source

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Gemini 3.8 Flash Cyber was released on 2026-09-02, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 1 month newer than Gemini 3.8 Flash Cyber.

Gemini 3.8 Flash Cyber

Sep 2, 2026

1 months ago

Muse Spark Open

Oct 15, 2026

4 days ago

1mo newer

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 Gemini 3.8 Flash Cyber and Muse Spark Open side-by-side, then vote on the output you prefer.

Gemini 3.8 Flash Cyber
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about Gemini 3.8 Flash Cyber vs Muse Spark Open.

Which is better, Gemini 3.8 Flash Cyber or Muse Spark Open?

Gemini 3.8 Flash Cyber and Muse Spark Open are closely matched on the LLM Stats Score at 39.2 and 44.9. Gemini 3.8 Flash Cyber is made by Google and Muse Spark Open is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3.8 Flash Cyber compare to Muse Spark Open in benchmarks?

Gemini 3.8 Flash Cyber scores Gray Swan IPI Benchmark: 94.0%, CyberGym: 86.2%, Google Real-world Vulnerability Discovery: 71.0%, CWE-Bench: 47.2%. Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

What are the context window sizes for Gemini 3.8 Flash Cyber and Muse Spark Open?

Gemini 3.8 Flash Cyber supports an unknown number of tokens and Muse Spark Open 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 Gemini 3.8 Flash Cyber and Muse Spark Open?

Key differences include LLM Stats Score (39.2 vs 44.9), multimodal support (no vs yes), licensing (Proprietary vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3.8 Flash Cyber and Muse Spark Open?

Gemini 3.8 Flash Cyber is developed by Google and Muse Spark Open is developed by Meta.

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