The AI arena is free today

Open Superagent

Gemini Diffusion vs Muse Spark 1.3

Muse Spark 1.3 leads the LLM Stats Score 55.3 to 1.0.

Google · Meta · Updated for 2026

Which is better?

Muse Spark 1.3 leads the overall LLM Stats Score 55.3 to 1.0, ranking #5 overall.

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

Choose Gemini Diffusion

  • you are already invested in the Google ecosystem

Choose Muse Spark 1.3

  • overall performance matters — it scores 55.3 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Gemini Diffusion
Google
Muse Spark 1.3
Meta
Core performance indexes
LLM Stats Score
1.0
#311
55.3
#5
Reasoning
1.0
#301
52.8
#7
Coding
3.0
#213
41.7
#10
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$0.10 / M
Output price
— / M
$0.20 / M
Context window
—
1,048,576

Individual benchmarks

10 reported for Gemini Diffusion · 11 for Muse Spark 1.3

No common benchmarks found

Gemini Diffusion and Muse Spark 1.3don'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 1.3 specifies input context (1,048,576 tokens). Only Muse Spark 1.3 specifies output context (943,718 tokens).

Google
Gemini Diffusion
Input- tokens
Output- tokens
Meta
Muse Spark 1.3
Input1,048,576 tokens
Output943,718 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark 1.3 supports multimodal inputs, whereas Gemini Diffusion does not.

Muse Spark 1.3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini Diffusion

Text
Images
Audio
Video

Muse Spark 1.3

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 Diffusion

Proprietary

Closed source

Muse Spark 1.3

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini Diffusion was released on 2025-05-20, while Muse Spark 1.3 was released on 2026-09-02.

Muse Spark 1.3 is 16 months newer than Gemini Diffusion.

Gemini Diffusion

May 20, 2025

1.3 years ago

Muse Spark 1.3

Sep 2, 2026

1 days ago

1.3yr 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?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini Diffusion and Muse Spark 1.3 side-by-side, then vote on the output you prefer.

Gemini Diffusion
✓ Preferred
Muse Spark 1.3
Open in Playground

FAQ

Common questions about Gemini Diffusion vs Muse Spark 1.3.

Which is better, Gemini Diffusion or Muse Spark 1.3?

Muse Spark 1.3 leads the LLM Stats Score 55.3 to 1.0. Gemini Diffusion is made by Google and Muse Spark 1.3 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 Diffusion compare to Muse Spark 1.3 in benchmarks?

Gemini Diffusion scores HumanEval: 89.6%, MBPP: 76.0%, Global-MMLU-Lite: 69.1%, LBPP (v2): 56.8%, BigCodeBench: 45.4%. Muse Spark 1.3 scores MRCR v2 (8-needle): 98.5%, MRCR v2 (8-needle, 512K-1M): 98.1%, DeepSearchQA: 89.4%, Terminal-Bench 2.1: 88.8%, DeepSWE 1.1: 75.4%.

What are the context window sizes for Gemini Diffusion and Muse Spark 1.3?

Gemini Diffusion supports an unknown number of tokens and Muse Spark 1.3 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 Diffusion and Muse Spark 1.3?

Key differences include LLM Stats Score (1.0 vs 55.3), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini Diffusion and Muse Spark 1.3?

Gemini Diffusion is developed by Google and Muse Spark 1.3 is developed by Meta.

Related comparisons