GPT-4o mini vs Gemini 2.5 Flash: The Ultimate Performance & Pricing Comparison

The Final Verdict in the GPT-4o mini vs Gemini 2.5 Flash Showdown

After a comprehensive analysis, Gemini 2.5 Flash emerges as the superior choice for users prioritizing raw intelligence and reasoning. However, GPT-4o mini remains a highly competitive option, especially for scenarios demanding faster response times and cost-efficiency. This detailed GPT-4o mini vs Gemini 2.5 Flash comparison will break down every critical metric to help you make the best decision.

GPT-4o mini vs Gemini 2.5 Flash: Key Differences at a Glance

Before we dive deep, here's a high-level summary of the GPT-4o mini vs Gemini 2.5 Flash comparison. This highlights the core metrics that define each model.

GPT-4o mini

By OpenAI

Intelligence Index:5

Blended Price / 1M:$0.0002625

Generation Speed:68.6 tokens/sec

Released 2025-08-28

Gemini 2.5 Flash

By Google

Intelligence Index:7

Blended Price / 1M:$0.0008500000000000001

Generation Speed:268.18 tokens/sec

Released 2025-08-28

Performance Analysis: The Definitive GPT-4o mini vs Gemini 2.5 Flash Battle

This radar chart visually maps the core capabilities (e.g., Intelligence, Coding, Math indices) of `GPT-4o mini` vs `Gemini 2.5 Flash`.

The capability radar provides a holistic view of the GPT-4o mini vs Gemini 2.5 Flash matchup. This chart illustrates each model's strengths and weaknesses at a glance, forming a cornerstone of our GPT-4o mini vs Gemini 2.5 Flash analysis.

The Economics of GPT-4o mini vs Gemini 2.5 Flash

Power is only one part of the equation. This GPT-4o mini vs Gemini 2.5 Flash pricing analysis gives you a true sense of value.

Pricing Breakdown

Real-World Cost Scenario

To process 1M input tokens and generate 250k output tokens, `GPT-4o mini` would cost $0.000, whereas `Gemini 2.5 Flash` would cost $0.001. This practical calculation is vital for any developer considering the GPT-4o mini vs Gemini 2.5 Flash choice.

Which Model Wins the GPT-4o mini vs Gemini 2.5 Flash Battle for You?

Choose GPT-4o mini if...

You need the most advanced reasoning capabilities available.

Your use case demands cutting-edge AI performance.

Choose Gemini 2.5 Flash if...

You are developing at scale where operational costs are critical.

You prioritize cost-effectiveness over maximum performance.

Your workload requires consistent, reliable performance.

Your Questions about the GPT-4o mini vs Gemini 2.5 Flash Comparison

Data provided by https://artificialanalysis.ai/