Anthropic
Claude Opus 4.1
API pricing, specifications, and comparison for Claude Opus 4.1 by Anthropic.
Input / 1M tokens
$15
Cached: $1.50
Output / 1M tokens
$75
Context Window
200K
Currency
USD
Capabilities
TextVisionFunction CallingStructured Output
Notes
Anthropic's frontier reasoning model — the quality target that Chinese coding models are benchmarked against.