Anthropic: Claude Sonnet 4.5
NewPopularclaude-sonnet-4.5
64K context
$3 / $15 per M tokens
Anthropic's latest model with excellent balance of intelligence and speed. Excellent for complex tasks requiring careful reasoning.
Model Overview
Anthropic's latest model with excellent balance of intelligence and speed. Excellent for complex tasks requiring careful reasoning.
Pricing
Input
$3
per million tokens
Output
$15
per million tokens
Supported Modalities
text
image
code
Model ID
claude-sonnet-4.5Context Window
64K tokens
Provider
Anthropic
Added
October 22, 2025
Input Modalities
text, image, code
Data Policy
Data not used for training
Data retained for 30 days