Cracked AI Engineering

o4 Mini vs Gemini 2.5 Flash

Gemini 2.5 Flash offers 1.0M tokens context vs 200K tokens, Gemini 2.5 Flash is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

o4 Mini

Requesty

200K tokens context • $1.10 / $4.40 per 1M tokens

View full specifications →

Gemini 2.5 Flash

Requesty

1.0M tokens context • $0.30 / $2.50 per 1M tokens

View full specifications →

Detailed Comparison

Specification
o4 Mini
Gemini 2.5 Flash
Provider
Requesty
Requesty
Context Window
200K tokens
1.0M tokens
Max Output Tokens
100K tokens
66K tokens
Input Pricing (per 1M tokens)
$1.10
$0.30
Output Pricing (per 1M tokens)
$4.40
$2.50
Release Date
Apr 2025
Jun 2025

Capabilities

Capability
o4 Mini
Gemini 2.5 Flash
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Audio Input
Video Understanding
PDF Processing

Which Model Should You Choose?

Choose o4 Mini if:

    Choose Gemini 2.5 Flash if:

    • • You need a larger context window
    • • Cost efficiency is a priority