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Gemini Diffusion vs Phi 4 Reasoning Plus

Phi 4 Reasoning Plus leads the LLM Stats Score 15.0 to 0.9.

Google · Microsoft · Updated for 2026

Which is better?

Phi 4 Reasoning Plus leads the overall LLM Stats Score 15.0 to 0.9, ranking #231 overall.

In the 3 individual benchmarks reported for both models, Phi 4 Reasoning Plus wins 3; this is a narrower head-to-head signal than the composite indexes.

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

Choose Gemini Diffusion

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

Choose Phi 4 Reasoning Plus

  • overall performance matters — it scores 15.0 and ranks #231 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini Diffusion
Google
Phi 4 Reasoning Plus
Microsoft
Core performance indexes
LLM Stats Score
0.9
#323
15.0
#231
Reasoning
0.9
#315
15.4
#224
Coding
2.8
#221
5.7
#196
Cost, coverage & limits
Benchmark wins
0 of 3
3 of 3
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Individual benchmarks

10 reported for Gemini Diffusion · 11 for Phi 4 Reasoning Plus

3 shared

Gemini Diffusion outperforms in 0 benchmarks, while Phi 4 Reasoning Plus is better at 3 benchmarks (AIME 2025, GPQA, LiveCodeBench).

Phi 4 Reasoning Plus significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

License

Usage and distribution terms

Gemini Diffusion is licensed under a proprietary license, while Phi 4 Reasoning Plus 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 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

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

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

Gemini Diffusion

May 20, 2025

1.3 years ago

2w newer
Phi 4 Reasoning Plus

Apr 30, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while Gemini Diffusion's cutoff date is not specified.

We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without Gemini Diffusion's cutoff date.

Gemini Diffusion

—

Phi 4 Reasoning Plus

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini Diffusion and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.

Gemini Diffusion
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground

FAQ

Common questions about Gemini Diffusion vs Phi 4 Reasoning Plus.

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

Phi 4 Reasoning Plus leads the LLM Stats Score 15.0 to 0.9. Gemini Diffusion is made by Google and Phi 4 Reasoning Plus is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini Diffusion compare to Phi 4 Reasoning Plus 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 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

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

Key differences include LLM Stats Score (0.9 vs 15.0), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini Diffusion and Phi 4 Reasoning Plus?

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

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