Claude Opus 4.1 (2025-08-05)
JSON →A dated snapshot of Anthropic's Claude Opus 4.1 model for stable API usage.
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
Dates
releasedAug 2025
Resources
homepagewww.anthropic.com ↗
API
full doc /v1/models/claude-opus-4-1-20250805