Cracked AI Engineering

Gemini 2.5 Pro vs Gemini 2.5 Flash Preview 05-20

Gemini 2.5 Flash Preview 05-20 is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Gemini 2.5 Pro

Vertex

1.0M tokens context • $1.25 / $10.00 per 1M tokens

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Gemini 2.5 Flash Preview 05-20

Vertex

1.0M tokens context • $0.15 / $0.60 per 1M tokens

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Detailed Comparison

Specification
Gemini 2.5 Pro
Gemini 2.5 Flash Preview 05-20
Provider
Vertex
Vertex
Context Window
1.0M tokens
1.0M tokens
Max Output Tokens
66K tokens
66K tokens
Input Pricing (per 1M tokens)
$1.25
$0.15
Output Pricing (per 1M tokens)
$10.00
$0.60
Release Date
Mar 2025
May 2025

Capabilities

Capability
Gemini 2.5 Pro
Gemini 2.5 Flash Preview 05-20
Text Generation
Vision
Audio Input
Video Understanding
PDF Processing
Function Calling
Advanced Reasoning
File Attachments

Which Model Should You Choose?

Choose Gemini 2.5 Pro if:

    Choose Gemini 2.5 Flash Preview 05-20 if:

    • • Cost efficiency is a priority