Model Comparison

Gemini 2.0 Flash Thinking vs GPT-4o miniWhich is better in 2026?

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Verdict: Gemini 2.0 Flash Thinking vs GPT-4o mini — which is better?

Gemini 2.0 Flash Thinking (by Google) and GPT-4o mini (by OpenAI) 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 2 benchmarks (GPQA, MMMU), while GPT-4o mini is better at 0 benchmarks. Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Choose Gemini 2.0 Flash Thinking if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jan 2025

Choose GPT-4o mini if…

  • you want predictable pricing at $0.15/M input and $0.60/M output

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 2.0 Flash Thinking outperforms in 2 benchmarks (GPQA, MMMU), while GPT-4o mini is better at 0 benchmarks.

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks.

Tue Aug 04 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-4o mini specifies input context (128,000 tokens). Only GPT-4o mini specifies output context (16,384 tokens).

Google
Gemini 2.0 Flash Thinking
Input- tokens
Output- tokens
OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Tue Aug 04 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 2.0 Flash Thinking and GPT-4o mini support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 2.0 Flash Thinking

Text
Images
Audio
Video

GPT-4o mini

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 2.0 Flash Thinking

Proprietary

Closed source

GPT-4o mini

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 2.0 Flash Thinking was released on 2025-01-21, while GPT-4o mini was released on 2024-07-18.

Gemini 2.0 Flash Thinking is 6 months newer than GPT-4o mini.

Gemini 2.0 Flash Thinking

Jan 21, 2025

1.5 years ago

6mo newer
GPT-4o mini

Jul 18, 2024

2.0 years ago

Knowledge Cutoff

When training data ends

Gemini 2.0 Flash Thinking has a knowledge cutoff of 2024-08-01, while GPT-4o mini has a cutoff of 2023-10-01.

Gemini 2.0 Flash Thinking has more recent training data (up to 2024-08-01), making it potentially better informed about events through that date compared to GPT-4o mini (2023-10-01).

Gemini 2.0 Flash Thinking

Aug 2024

10 mo newer
GPT-4o mini

Oct 2023

Outputs Comparison

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Key Takeaways

Google
Higher GPQA score (74.2% vs 40.2%)
Higher MMMU score (75.4% vs 59.4%)
OpenAI
Larger context window (128,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 2.0 Flash Thinking and GPT-4o mini side-by-side, then vote on the output you prefer.

Gemini 2.0 Flash Thinking
✓ Preferred
GPT-4o mini
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 2.0 Flash Thinking
OpenAI
GPT-4o mini

FAQ

Common questions about Gemini 2.0 Flash Thinking vs GPT-4o mini.

Which is better, Gemini 2.0 Flash Thinking or GPT-4o mini?

Gemini 2.0 Flash Thinking significantly outperforms across most benchmarks. Gemini 2.0 Flash Thinking is made by Google and GPT-4o mini is made by OpenAI. 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 GPT-4o mini in benchmarks?

Gemini 2.0 Flash Thinking scores MMMU: 75.4%, GPQA: 74.2%, AIME 2024: 73.3%. GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%.

What are the context window sizes for Gemini 2.0 Flash Thinking and GPT-4o mini?

Gemini 2.0 Flash Thinking supports an unknown number of tokens and GPT-4o mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Gemini 2.0 Flash Thinking and GPT-4o mini?

Gemini 2.0 Flash Thinking is developed by Google and GPT-4o mini is developed by OpenAI.

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