Claude Opus 4.1
JSON →Anthropic's flagship Claude model offering top-tier reasoning and nuanced understanding.
Specs
context window 200K tokens
max output 32K tokens
input price $15 / 1M tokens
output price $75 / 1M tokens
Capabilities
tool-usejson-modestreamingreasoningcode-generationfunction-callingprompt-cachingvision
Resources
homepagewww.anthropic.com ↗
API
full doc /v1/models/claude-opus-4-1