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Claude Haiku 4.5

Fastest Claude model with near-frontier intelligence and extended thinking

Overview

Fastest Claude model with near-frontier intelligence and extended thinking

Key Capabilities

Code Generation — suited for tasks requiring code generation proficiency
Extended Thinking — suited for tasks requiring extended thinking proficiency
Vision — suited for tasks requiring vision proficiency
Function Calling — suited for tasks requiring function calling proficiency

Recommended Use Cases

Quick Migrations
Batch Processing
Syntax Conversion
Ci Cd Integration

Technical Specifications

Context Window: 200K tokens
Max Output Tokens: 64K tokens
Open Weight: No
Release Date: October 01, 2025

Pricing

$1/M input tokens, $5/M output tokens

Provider

Claude Haiku 4.5 is developed by Anthropic. For the latest information, visit the official documentation.