Claude Opus 4.1 vs Claude Haiku 3.5
Claude Haiku 3.5 is more cost-effective, Claude Opus 4.1 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Opus 4.1
Vertex (Anthropic)
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Claude Haiku 3.5
Vertex (Anthropic)
200K tokens context • $0.80 / $4.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Opus 4.1
Claude Haiku 3.5
Provider
Vertex (Anthropic)
Vertex (Anthropic)
Context Window
200K tokens
200K tokens
Max Output Tokens
32K tokens
8K tokens
Input Pricing (per 1M tokens)
$15.00
$0.80
Output Pricing (per 1M tokens)
$75.00
$4.00
Release Date
Aug 2025
Oct 2024
Capabilities
Capability
Claude Opus 4.1
Claude Haiku 3.5
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Opus 4.1 if:
- • You need advanced reasoning
Choose Claude Haiku 3.5 if:
- • Cost efficiency is a priority