Model Comparison

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

Both models are evenly matched across the benchmarks.

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

Gemini 2.0 Flash Thinking (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 Thinking outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning Plus is better at 1 benchmark (AIME 2024). Both models are evenly matched across the benchmarks.

Choose Gemini 2.0 Flash Thinking if…

  • you are already invested in the Google ecosystem

Choose Phi 4 Reasoning Plus if…

  • 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

2 benchmarks

Gemini 2.0 Flash Thinking outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning Plus is better at 1 benchmark (AIME 2024).

Both models are evenly matched across the benchmarks.

Sun Jul 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Input Capabilities

Supported data types and modalities

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

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

Gemini 2.0 Flash Thinking

Text
Images
Audio
Video

Phi 4 Reasoning Plus

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 2.0 Flash Thinking 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 Thinking

Proprietary

Closed source

Phi 4 Reasoning Plus

MIT

Open weights

Release Timeline

When each model was launched

Gemini 2.0 Flash Thinking was released on 2025-01-21, while Phi 4 Reasoning Plus was released on 2025-04-30.

Phi 4 Reasoning Plus is 3 months newer than Gemini 2.0 Flash Thinking.

Gemini 2.0 Flash Thinking

Jan 21, 2025

1.5 years ago

Phi 4 Reasoning Plus

Apr 30, 2025

1.2 years ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash Thinking 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 Thinking (2024-08-01).

Gemini 2.0 Flash Thinking

Aug 2024

Phi 4 Reasoning Plus

Mar 2025

7 mo newer

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Supports multimodal inputs
Higher GPQA score (74.2% vs 68.9%)
Microsoft
Has open weights
Higher AIME 2024 score (81.3% vs 73.3%)

Detailed Comparison

Interactive Arena

Judge for yourself.

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

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

FAQ

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

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

Both models are evenly matched across the benchmarks. Gemini 2.0 Flash Thinking 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 Thinking compare to Phi 4 Reasoning Plus in benchmarks?

Gemini 2.0 Flash Thinking scores MMMU: 75.4%, GPQA: 74.2%, AIME 2024: 73.3%. 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 2.0 Flash Thinking 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 Thinking and Phi 4 Reasoning Plus?

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

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