Cracked AI Engineering

GPT-5 Nano vs Gemini 2.5 Flash

Gemini 2.5 Flash offers 1.0M tokens context vs 16K tokens, Gemini 2.5 Flash supports vision. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-5 Nano

Requesty

16K tokens context • $0.05 / $0.40 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
GPT-5 Nano
Gemini 2.5 Flash
Provider
Requesty
Requesty
Context Window
16K tokens
1.0M tokens
Max Output Tokens
4K tokens
66K tokens
Input Pricing (per 1M tokens)
$0.05
$0.30
Output Pricing (per 1M tokens)
$0.40
$2.50
Release Date
Aug 2025
Jun 2025

Capabilities

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

Which Model Should You Choose?

Choose GPT-5 Nano if:

  • • Cost efficiency is a priority

Choose Gemini 2.5 Flash if:

  • • You need a larger context window