Anthropic

Confidence 0.75 · 2 sources · last confirmed 2026-04-28

AI safety and research company; publisher of the Claude family of models and the Anthropic Economic Index research series. Founded 2021. Public Benefit Corporation. Partnered with Amazon Web Services (~$8B total invested as of 2024 per 2026-04-28-werner-lebrun-octopus-organization).

Research initiatives appearing in this wiki

• Anthropic Economic Index — recurring measurement of real-world Claude usage on Claude.ai (consumer) and 1P API (enterprise).
• Rwanda partnership with ALX — AI literacy + Claude Pro access program for African graduates (fourth Economic Index report).
• Jack Clark — co-founder; serves on the AI Index steering committee.

Models referenced in this wiki

• Claude Sonnet 4.5 — predominant model in the November 2025 Economic Index sample.
• Claude Opus 4.5 — referenced as released after the November 2025 sample.

Open questions

• The wiki has multiple references to Claude as a measurement substrate but no primary source on Anthropic itself yet; this entity page is a stub awaiting first-party Anthropic source ingestion.