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
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