Cracked AI Engineering

Claude Haiku 4.5 (latest) vs Claude Opus 4 (latest)

Claude Haiku 4.5 (latest) is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Claude Haiku 4.5 (latest)

Anthropic

200K tokens context • $1.00 / $5.00 per 1M tokens

View full specifications →

Claude Opus 4 (latest)

Anthropic

200K tokens context • $15.00 / $75.00 per 1M tokens

View full specifications →

Detailed Comparison

Specification
Claude Haiku 4.5 (latest)
Claude Opus 4 (latest)
Provider
Anthropic
Anthropic
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
May 2025

Capabilities

Capability
Claude Haiku 4.5 (latest)
Claude Opus 4 (latest)
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments

Which Model Should You Choose?

Choose Claude Haiku 4.5 (latest) if:

  • • Cost efficiency is a priority

Choose Claude Opus 4 (latest) if: