anthropic
Anthropic: Claude Opus 4.5
anthropic/claude-opus-4.5
For $1, you can send approximately:
~4.76messages
How do we get this number?
One message = ~7,000 input tokens + ~7,000 output tokens
Input cost per message7,000 x $5.00/M = $0.035000
Output cost per message7,000 x $25.00/M = $0.175000
Total cost per message$0.210000
Messages for $14.76
Context window
200k
tokens
Max response
64k
tokens
Input price
$5.00
per million tokens
Output price
$25.00
per million tokens
Modalities
Input:fileInput:imageInput:textOutput:text
Description
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...