Model Comparison

Gemini 1.5 Flash 8B vs MedGemma 4B ITWhich is better in 2026?

Comparing Gemini 1.5 Flash 8B and MedGemma 4B IT across benchmarks, pricing, and capabilities.

Verdict: Gemini 1.5 Flash 8B vs MedGemma 4B IT — which is better?

Gemini 1.5 Flash 8B (by Google) and MedGemma 4B IT (by Google) 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 Gemini 1.5 Flash 8B if…

  • you want predictable pricing at $0.07/M input and $0.30/M output

Choose MedGemma 4B IT if…

  • you want the most recent training data — it shipped May 2025
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 1.5 Flash 8B and MedGemma 4B IT don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Model Size

Parameter count comparison

3.7B diff

Gemini 1.5 Flash 8B has 3.7B more parameters than MedGemma 4B IT, making it 86.0% larger.

Google
Gemini 1.5 Flash 8B
8.0Bparameters
Google
MedGemma 4B IT
4.3Bparameters
8.0B
Gemini 1.5 Flash 8B
4.3B
MedGemma 4B IT

Context Window

Maximum input and output token capacity

Only Gemini 1.5 Flash 8B specifies input context (1,048,576 tokens). Only Gemini 1.5 Flash 8B specifies output context (8,192 tokens).

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Google
MedGemma 4B IT
Input- tokens
Output- tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 1.5 Flash 8B and MedGemma 4B IT support multimodal inputs.

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

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

MedGemma 4B IT

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Flash 8B is licensed under a proprietary license, while MedGemma 4B IT uses Health AI Developer Foundations terms of use.

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

Gemini 1.5 Flash 8B

Proprietary

Closed source

MedGemma 4B IT

Health AI Developer Foundations terms of use

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while MedGemma 4B IT was released on 2025-05-20.

MedGemma 4B IT is 14 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.2 years ago

MedGemma 4B IT

May 20, 2025

1.0 years ago

1.2yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while MedGemma 4B IT's cutoff date is not specified.

We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without MedGemma 4B IT's cutoff date.

Gemini 1.5 Flash 8B

Oct 2024

MedGemma 4B IT

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Google
Has open weights
GoogleGemini 1.5 Flash 8B
GoogleMedGemma 4B IT
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
Google
MedGemma 4B IT

FAQ

Common questions about Gemini 1.5 Flash 8B vs MedGemma 4B IT.

Which is better, Gemini 1.5 Flash 8B or MedGemma 4B IT?

Gemini 1.5 Flash 8B (Google) and MedGemma 4B IT (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 1.5 Flash 8B compare to MedGemma 4B IT in benchmarks?

Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. MedGemma 4B IT scores MIMIC CXR: 88.9%, DermMCQA: 71.8%, PathMCQA: 69.8%, SlakeVQA: 62.3%, VQA-Rad: 49.9%.

What are the context window sizes for Gemini 1.5 Flash 8B and MedGemma 4B IT?

Gemini 1.5 Flash 8B supports 1.0M tokens and MedGemma 4B IT supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 1.5 Flash 8B and MedGemma 4B IT?

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

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