Cracked AI Engineering

GPT-4o vs Claude Opus 4

Claude Opus 4 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT-4o

GitHub Copilot

128K tokens context • Pricing not available

View full specifications →

Claude Opus 4

GitHub Copilot

80K tokens context • Pricing not available

View full specifications →

Detailed Comparison

Specification
GPT-4o
Claude Opus 4
Provider
GitHub Copilot
GitHub Copilot
Context Window
128K tokens
80K tokens
Max Output Tokens
16K tokens
16K tokens
Release Date
May 2024
May 2025

Capabilities

Capability
GPT-4o
Claude Opus 4
Text Generation
Vision
Function Calling
File Attachments
Advanced Reasoning

Which Model Should You Choose?

Choose GPT-4o if:

  • • You need a larger context window

Choose Claude Opus 4 if:

  • • You need advanced reasoning