Cracked AI Engineering

Claude Haiku 4.5 vs Claude 2

Claude Haiku 4.5 offers 200K tokens context vs 100K tokens, Claude Haiku 4.5 is more cost-effective, Claude Haiku 4.5 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Claude Haiku 4.5

Amazon Bedrock

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

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Claude 2

Amazon Bedrock

100K tokens context • $8.00 / $24.00 per 1M tokens

View full specifications →

Detailed Comparison

Specification
Claude Haiku 4.5
Claude 2
Provider
Amazon Bedrock
Amazon Bedrock
Context Window
200K tokens
100K tokens
Max Output Tokens
64K tokens
4K tokens
Input Pricing (per 1M tokens)
$1.00
$8.00
Output Pricing (per 1M tokens)
$5.00
$24.00
Release Date
Oct 2025
Jul 2023

Capabilities

Capability
Claude Haiku 4.5
Claude 2
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
  • • Cost efficiency is a priority
  • • You need advanced reasoning

Choose Claude 2 if: