Model Comparison

MedGemma 4B IT vs Muse Spark 1.1Which is better in 2026?

Comparing MedGemma 4B IT and Muse Spark 1.1 across benchmarks, pricing, and capabilities.

Verdict: MedGemma 4B IT vs Muse Spark 1.1 — which is better?

MedGemma 4B IT (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.

Choose MedGemma 4B IT if…

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

Choose Muse Spark 1.1 if…

  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

MedGemma 4B IT and Muse Spark 1.1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Muse Spark 1.1 specifies input context (1,048,576 tokens). Only Muse Spark 1.1 specifies output context (131,072 tokens).

Google
MedGemma 4B IT
Input- tokens
Output- tokens
Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
Sun Jul 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both MedGemma 4B IT and Muse Spark 1.1 support multimodal inputs.

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

MedGemma 4B IT

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

MedGemma 4B IT is licensed under Health AI Developer Foundations terms of use, 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.

MedGemma 4B IT

Health AI Developer Foundations terms of use

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

MedGemma 4B IT was released on 2025-05-20, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 14 months newer than MedGemma 4B IT.

MedGemma 4B IT

May 20, 2025

1.2 years ago

Muse Spark 1.1

Jul 9, 2026

2 weeks ago

1.1yr 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→

Key Takeaways

Google
Has open weights
Meta
Larger context window (1,048,576 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against MedGemma 4B IT and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

MedGemma 4B IT
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Google
MedGemma 4B IT
Meta
Muse Spark 1.1

FAQ

Common questions about MedGemma 4B IT vs Muse Spark 1.1.

Which is better, MedGemma 4B IT or Muse Spark 1.1?

MedGemma 4B IT (Google) and Muse Spark 1.1 (Meta) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does MedGemma 4B IT compare to Muse Spark 1.1 in benchmarks?

MedGemma 4B IT scores MIMIC CXR: 88.9%, DermMCQA: 71.8%, PathMCQA: 69.8%, SlakeVQA: 62.3%, VQA-Rad: 49.9%. 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 MedGemma 4B IT and Muse Spark 1.1?

MedGemma 4B IT supports an unknown number of tokens and Muse Spark 1.1 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 MedGemma 4B IT and Muse Spark 1.1?

Key differences include licensing (Health AI Developer Foundations terms of use vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MedGemma 4B IT and Muse Spark 1.1?

MedGemma 4B IT is developed by Google and Muse Spark 1.1 is developed by Meta.

Related comparisons