The safety-first AI lab behind Claude, valued at $61B after a $4B Google-led round.
Anthropic was founded in 2021 by Dario Amodei, Daniela Amodei, and colleagues who left OpenAI over safety concerns. The company pioneered Constitutional AI — a technique that trains models using AI-generated feedback grounded in explicit principles — and applies it to its Claude family of models. Anthropic has raised over $14B total, with Google and Amazon as its largest backers. Its 2026 Series E values the company at $61B, making it the second most valuable private AI company after OpenAI.
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