Cracked AI Engineering

GPT-5 vs Gemini 2.5 Flash

Gemini 2.5 Flash offers 1.0M tokens context vs 400K tokens, Gemini 2.5 Flash is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-5

Requesty

400K tokens context • $1.25 / $10.00 per 1M tokens

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Gemini 2.5 Flash

Requesty

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

View full specifications →

Detailed Comparison

Specification
GPT-5
Gemini 2.5 Flash
Provider
Requesty
Requesty
Context Window
400K tokens
1.0M tokens
Max Output Tokens
128K tokens
66K tokens
Input Pricing (per 1M tokens)
$1.25
$0.30
Output Pricing (per 1M tokens)
$10.00
$2.50
Release Date
Aug 2025
Jun 2025

Capabilities

Capability
GPT-5
Gemini 2.5 Flash
Text Generation
Vision
Audio Input
Video Understanding
Function Calling
Advanced Reasoning
File Attachments
PDF Processing

Which Model Should You Choose?

Choose GPT-5 if:

    Choose Gemini 2.5 Flash if:

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