Anthropic was founded in 2021 by Dario Amodei and Daniela Amodei, along with several other former OpenAI researchers. Based in San Francisco, the company’s mission centers on AI safety — building AI systems that are reliable, interpretable, and steerable. It’s raised over $10 billion in funding from investors including Google, Salesforce, and Amazon, which committed up to $4 billion.
The company’s flagship product is Claude, a family of large language models known for being thoughtful, honest, and less likely to produce harmful outputs. Claude has gone through multiple generations — Claude 1, 2, 3 (Haiku, Sonnet, Opus), 3.5, and beyond — each improving in capability while maintaining a strong focus on safety characteristics.
Anthropic’s research contributions have been significant. They published influential work on Constitutional AI (a method for training AI using a set of principles), mechanistic interpretability (understanding what’s happening inside neural networks), and scaling laws. Their approach to AI development is often described as more cautious and research-driven compared to competitors.
The Claude API serves businesses across industries, and the consumer-facing claude.ai product has gained a strong following among developers, writers, and researchers. Anthropic’s valuation exceeded $60 billion in early 2025 funding rounds. While it operates in the same space as OpenAI, Anthropic has deliberately positioned itself as the safety-focused alternative — a company that believes getting AI right matters more than getting there first.