Model Comparison

Gemini 2.0 Flash vs Phi 4 Reasoning PlusWhich is better in 2026?

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Verdict: Gemini 2.0 Flash vs Phi 4 Reasoning Plus — which is better?

Gemini 2.0 Flash (by Google) and Phi 4 Reasoning Plus (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 2.0 Flash outperforms in 1 benchmarks (MMLU-Pro), while Phi 4 Reasoning Plus is better at 2 benchmarks (GPQA, LiveCodeBench). Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Choose Gemini 2.0 Flash if…

  • you want predictable pricing at $0.10/M input and $0.40/M output

Choose Phi 4 Reasoning Plus if…

  • you want the strongest raw capability — it leads on 2 of 3 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 2.0 Flash outperforms in 1 benchmarks (MMLU-Pro), while Phi 4 Reasoning Plus is better at 2 benchmarks (GPQA, LiveCodeBench).

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks.

Tue Jul 28 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Gemini 2.0 Flash specifies input context (1,048,576 tokens). Only Gemini 2.0 Flash specifies output context (8,192 tokens).

Google
Gemini 2.0 Flash
Input1,048,576 tokens
Output8,192 tokens
Microsoft
Phi 4 Reasoning Plus
Input- tokens
Output- tokens
Tue Jul 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.0 Flash supports multimodal inputs, whereas Phi 4 Reasoning Plus does not.

Gemini 2.0 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 2.0 Flash

Text
Images
Audio
Video

Phi 4 Reasoning Plus

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.0 Flash 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 2.0 Flash

Proprietary

Closed source

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

Gemini 2.0 Flash was released on 2024-12-01, while Phi 4 Reasoning Plus was released on 2025-04-30.

Phi 4 Reasoning Plus is 5 months newer than Gemini 2.0 Flash.

Gemini 2.0 Flash

Dec 1, 2024

1.7 years ago

Phi 4 Reasoning Plus

Apr 30, 2025

1.2 years ago

5mo newer

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash has a knowledge cutoff of 2024-08-01, while Phi 4 Reasoning Plus has a cutoff of 2025-03-01.

Phi 4 Reasoning Plus has more recent training data (up to 2025-03-01), making it potentially better informed about events through that date compared to Gemini 2.0 Flash (2024-08-01).

Gemini 2.0 Flash

Aug 2024

Phi 4 Reasoning Plus

Mar 2025

7 mo newer

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Higher MMLU-Pro score (76.4% vs 76.0%)
Microsoft
Has open weights
Higher GPQA score (68.9% vs 62.1%)
Higher LiveCodeBench score (53.1% vs 35.1%)
GoogleGemini 2.0 Flash
MicrosoftPhi 4 Reasoning Plus
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash
✓ Preferred
Phi 4 Reasoning Plus
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 2.0 Flash
Microsoft
Phi 4 Reasoning Plus

FAQ

Common questions about Gemini 2.0 Flash vs Phi 4 Reasoning Plus.

Which is better, Gemini 2.0 Flash or Phi 4 Reasoning Plus?

Phi 4 Reasoning Plus shows notably better performance in the majority of benchmarks. Gemini 2.0 Flash is made by Google and Phi 4 Reasoning Plus is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 2.0 Flash compare to Phi 4 Reasoning Plus in benchmarks?

Gemini 2.0 Flash scores Natural2Code: 92.9%, MATH: 89.7%, FACTS Grounding: 83.6%, MMLU-Pro: 76.4%, EgoSchema: 71.5%. Phi 4 Reasoning Plus scores FlenQA: 97.9%, HumanEval+: 92.3%, IFEval: 84.9%, OmniMath: 81.9%, AIME 2024: 81.3%.

What are the context window sizes for Gemini 2.0 Flash and Phi 4 Reasoning Plus?

Gemini 2.0 Flash supports 1.0M tokens and Phi 4 Reasoning Plus 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 2.0 Flash and Phi 4 Reasoning Plus?

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 2.0 Flash and Phi 4 Reasoning Plus?

Gemini 2.0 Flash is developed by Google and Phi 4 Reasoning Plus is developed by Microsoft.

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