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
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