Model Comparison

Gemini Diffusion vs Phi 4 Mini ReasoningWhich is better in 2026?

Phi 4 Mini Reasoning significantly outperforms across most benchmarks.

Verdict: Gemini Diffusion vs Phi 4 Mini Reasoning — which is better?

Gemini Diffusion (by Google) and Phi 4 Mini Reasoning (by Microsoft) 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 Diffusion outperforms in 0 benchmarks, while Phi 4 Mini Reasoning is better at 1 benchmark (GPQA). Phi 4 Mini Reasoning significantly outperforms across most benchmarks.

Choose Gemini Diffusion if…

  • you want the most recent training data — it shipped May 2025

Choose Phi 4 Mini Reasoning if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini Diffusion outperforms in 0 benchmarks, while Phi 4 Mini Reasoning is better at 1 benchmark (GPQA).

Phi 4 Mini Reasoning significantly outperforms across most benchmarks.

Thu Jun 25 2026 • llm-stats.com

Arena Performance

Human preference votes

License

Usage and distribution terms

Gemini Diffusion is licensed under a proprietary license, while Phi 4 Mini Reasoning uses MIT.

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

Gemini Diffusion

Proprietary

Closed source

Phi 4 Mini Reasoning

MIT

Open weights

Release Timeline

When each model was launched

Gemini Diffusion was released on 2025-05-20, while Phi 4 Mini Reasoning was released on 2025-04-30.

Gemini Diffusion is 1 month newer than Phi 4 Mini Reasoning.

Gemini Diffusion

May 20, 2025

1.1 years ago

2w newer
Phi 4 Mini Reasoning

Apr 30, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Phi 4 Mini Reasoning has a documented knowledge cutoff of 2025-02-01, while Gemini Diffusion's cutoff date is not specified.

We can confirm Phi 4 Mini Reasoning's training data extends to 2025-02-01, but cannot make a direct comparison without Gemini Diffusion's cutoff date.

Gemini Diffusion

—

Phi 4 Mini Reasoning

Feb 2025

Outputs Comparison

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Key Takeaways

Google

No standout differentiators in the data we have for this pair.

Microsoft
Has open weights
Higher GPQA score (52.0% vs 40.4%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini Diffusion
Microsoft
Phi 4 Mini Reasoning

FAQ

Common questions about Gemini Diffusion vs Phi 4 Mini Reasoning.

Which is better, Gemini Diffusion or Phi 4 Mini Reasoning?

Phi 4 Mini Reasoning significantly outperforms across most benchmarks. Gemini Diffusion is made by Google and Phi 4 Mini Reasoning is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini Diffusion compare to Phi 4 Mini Reasoning in benchmarks?

Gemini Diffusion scores HumanEval: 89.6%, MBPP: 76.0%, Global-MMLU-Lite: 69.1%, LBPP (v2): 56.8%, BigCodeBench: 45.4%. Phi 4 Mini Reasoning scores MATH-500: 94.6%, AIME: 57.5%, GPQA: 52.0%.

What are the main differences between Gemini Diffusion and Phi 4 Mini Reasoning?

Key differences include licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini Diffusion and Phi 4 Mini Reasoning?

Gemini Diffusion is developed by Google and Phi 4 Mini Reasoning is developed by Microsoft.

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