Model Comparison

GPT-4o vs Phi 4 Mini Reasoning

GPT-4o significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-4o outperforms in 1 benchmarks (GPQA), while Phi 4 Mini Reasoning is better at 0 benchmarks.

GPT-4o significantly outperforms across most benchmarks.

Fri May 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4o specifies input context (128,000 tokens). Only GPT-4o specifies output context (4,096 tokens).

OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
Microsoft
Phi 4 Mini Reasoning
Input- tokens
Output- tokens
Fri May 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o supports multimodal inputs, whereas Phi 4 Mini Reasoning does not.

GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o

Text
Images
Audio
Video

Phi 4 Mini Reasoning

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4o 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.

GPT-4o

Proprietary

Closed source

Phi 4 Mini Reasoning

MIT

Open weights

Release Timeline

When each model was launched

GPT-4o was released on 2024-05-13, while Phi 4 Mini Reasoning was released on 2025-04-30.

Phi 4 Mini Reasoning is 12 months newer than GPT-4o.

GPT-4o

May 13, 2024

2.0 years ago

Phi 4 Mini Reasoning

Apr 30, 2025

1.0 years ago

11mo newer

Knowledge Cutoff

When training data ends

Phi 4 Mini Reasoning has a documented knowledge cutoff of 2025-02-01, while GPT-4o'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 GPT-4o's cutoff date.

GPT-4o

—

Phi 4 Mini Reasoning

Feb 2025

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Supports multimodal inputs
Higher GPQA score (53.6% vs 52.0%)
Microsoft
Has open weights
OpenAIGPT-4o
MicrosoftPhi 4 Mini Reasoning
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o
Microsoft
Phi 4 Mini Reasoning

FAQ

Common questions about GPT-4o vs Phi 4 Mini Reasoning.

Which is better, GPT-4o or Phi 4 Mini Reasoning?

GPT-4o significantly outperforms across most benchmarks. GPT-4o is made by OpenAI 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 GPT-4o compare to Phi 4 Mini Reasoning in benchmarks?

GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%. Phi 4 Mini Reasoning scores MATH-500: 94.6%, AIME: 57.5%, GPQA: 52.0%.

What are the context window sizes for GPT-4o and Phi 4 Mini Reasoning?

GPT-4o supports 128K 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 GPT-4o 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 GPT-4o and Phi 4 Mini Reasoning?

GPT-4o is developed by OpenAI and Phi 4 Mini Reasoning is developed by Microsoft.