anthropic
Anthropic: Claude Sonnet 4.5
anthropic/claude-sonnet-4.5
For $1, you can send approximately:
~7.94messages
How do we get this number?
One message = ~7,000 input tokens + ~7,000 output tokens
Input cost per message7,000 x $3.00/M = $0.021000
Output cost per message7,000 x $15.00/M = $0.105000
Total cost per message$0.126000
Messages for $17.94
Context window
1.0M
tokens
Max response
64k
tokens
Input price
$3.00
per million tokens
Output price
$15.00
per million tokens
Modalities
Input:textInput:imageInput:fileOutput:text
Description
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...