Cracked AI Engineering

Claude Opus 4 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

Claude Opus 4

Requesty

200K tokens context • $15.00 / $75.00 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
Claude Opus 4
Gemini 2.5 Flash
Provider
Requesty
Requesty
Context Window
200K tokens
1.0M tokens
Max Output Tokens
32K tokens
66K tokens
Input Pricing (per 1M tokens)
$15.00
$0.30
Output Pricing (per 1M tokens)
$75.00
$2.50
Release Date
May 2025
Jun 2025

Capabilities

Capability
Claude Opus 4
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 Claude Opus 4 if:

    Choose Gemini 2.5 Flash if:

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