Models / anthropic / Claude Opus 4.1 (2025-08-05)

Claude Opus 4.1 (2025-08-05)

JSON →
anthropicllm

A dated snapshot of Anthropic's Claude Opus 4.1 model for stable API usage.

texttool-usejson-modestreamingreasoningcode-generationfunction-callingprompt-cachingvision
homepage ↗docs ↗
Specs
Context & limits
200K
context window
32K
max output
Lifecycle
Dates
released2025-08-05
Resources
homepagehttps://www.anthropic.com ↗
docshttps://docs.anthropic.com/en/docs ↗