The AI arena is free today

Open Superagent

Gemini 2.5 Pro vs Phi 4 Mini Reasoning

Gemini 2.5 Pro significantly outperforms across most benchmarks.

Google · Microsoft · Updated for 2026

Which is better?

Gemini 2.5 Pro outperforms in 1 benchmarks (GPQA), while Phi 4 Mini Reasoning is better at 0 benchmarks. Gemini 2.5 Pro significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Gemini 2.5 Pro

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped May 2025

Choose Phi 4 Mini Reasoning

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

At a glance

The differences that matter most.

Gemini 2.5 Pro
Google
Phi 4 Mini Reasoning
Microsoft
Benchmark wins
1 of 1
0 of 1
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
1,048,576
—
Released
May 2025
Apr 2025
License
Proprietary
MIT

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 2.5 Pro outperforms in 1 benchmarks (GPQA), while Phi 4 Mini Reasoning is better at 0 benchmarks.

Gemini 2.5 Pro significantly outperforms across most benchmarks.

Thu Aug 27 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only Gemini 2.5 Pro specifies input context (1,048,576 tokens). Only Gemini 2.5 Pro specifies output context (65,536 tokens).

Google
Gemini 2.5 Pro
Input1,048,576 tokens
Output65,536 tokens
Microsoft
Phi 4 Mini Reasoning
Input- tokens
Output- tokens
Thu Aug 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.5 Pro supports multimodal inputs, whereas Phi 4 Mini Reasoning does not.

Gemini 2.5 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.5 Pro

Text
Images
Audio
Video

Phi 4 Mini Reasoning

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.5 Pro 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 2.5 Pro

Proprietary

Closed source

Phi 4 Mini Reasoning

MIT

Open weights

Release Timeline

When each model was launched

Gemini 2.5 Pro was released on 2025-05-20, while Phi 4 Mini Reasoning was released on 2025-04-30.

Gemini 2.5 Pro is 1 month newer than Phi 4 Mini Reasoning.

Gemini 2.5 Pro

May 20, 2025

1.3 years ago

2w newer
Phi 4 Mini Reasoning

Apr 30, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Gemini 2.5 Pro has a knowledge cutoff of 2025-01-31, while Phi 4 Mini Reasoning has a cutoff of 2025-02-01.

Phi 4 Mini Reasoning has more recent training data (up to 2025-02-01), making it potentially better informed about events through that date compared to Gemini 2.5 Pro (2025-01-31).

Gemini 2.5 Pro

Jan 2025

Phi 4 Mini Reasoning

Feb 2025

1 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 2.5 Pro and Phi 4 Mini Reasoning side-by-side, then vote on the output you prefer.

Gemini 2.5 Pro
✓ Preferred
Phi 4 Mini Reasoning
Open in Playground

FAQ

Common questions about Gemini 2.5 Pro vs Phi 4 Mini Reasoning.

Which is better, Gemini 2.5 Pro or Phi 4 Mini Reasoning?

Gemini 2.5 Pro significantly outperforms across most benchmarks. Gemini 2.5 Pro 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 2.5 Pro compare to Phi 4 Mini Reasoning in benchmarks?

Gemini 2.5 Pro scores MRCR: 93.0%, AIME 2024: 92.0%, Global-MMLU-Lite: 88.6%, Video-MME: 84.8%, AIME 2025: 83.0%. Phi 4 Mini Reasoning scores MATH-500: 94.6%, AIME: 57.5%, GPQA: 52.0%.

What are the context window sizes for Gemini 2.5 Pro and Phi 4 Mini Reasoning?

Gemini 2.5 Pro supports 1.0M tokens and Phi 4 Mini Reasoning 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 2.5 Pro and Phi 4 Mini Reasoning?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 2.5 Pro and Phi 4 Mini Reasoning?

Gemini 2.5 Pro is developed by Google and Phi 4 Mini Reasoning is developed by Microsoft.

Related comparisons