Claude Haiku 4.5 vs Claude Opus 4
Claude Haiku 4.5 offers 144K tokens context vs 80K tokens. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
Claude Haiku 4.5
Claude Opus 4
Provider
GitHub Copilot
GitHub Copilot
Context Window
144K tokens
80K tokens
Max Output Tokens
16K tokens
16K tokens
Release Date
Oct 2025
May 2025
Capabilities
Capability
Claude Haiku 4.5
Claude Opus 4
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Haiku 4.5 if:
- • You need a larger context window