Claude Haiku 4.5 vs Claude Opus 4.1
Claude Haiku 4.5 is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Haiku 4.5
OpenCode Zen
200K tokens context • $1.00 / $5.00 per 1M tokens
View full specifications →Claude Opus 4.1
OpenCode Zen
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Haiku 4.5
Claude Opus 4.1
Provider
OpenCode Zen
OpenCode Zen
Context Window
200K tokens
200K tokens
Max Output Tokens
64K tokens
32K tokens
Input Pricing (per 1M tokens)
$1.00
$15.00
Output Pricing (per 1M tokens)
$5.00
$75.00
Release Date
Oct 2025
Aug 2025
Capabilities
Capability
Claude Haiku 4.5
Claude Opus 4.1
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Haiku 4.5 if:
- • Cost efficiency is a priority