Models / anthropic / Claude Opus 4.5 (2025-11-01)

Claude Opus 4.5 (2025-11-01)

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anthropicllm

A dated snapshot of Anthropic's Claude Opus 4.5 model for stable API usage.

texttool-usejson-modestreamingreasoningcode-generationfunction-callingprompt-cachingvision
homepage ↗docs ↗
Specs
Context & limits
200K
context window
64K
max output
Lifecycle
Dates
released2025-11-01
Resources
homepagehttps://www.anthropic.com ↗
docshttps://docs.anthropic.com/en/docs ↗