Claude is Anthropic's flagship model. Anthropic is a US company founded in 2021 by Dario and Daniela Amodei, former OpenAI executives. What sets it apart is its Constitutional AI approach: the model is trained against explicit ethical principles, which makes it particularly well suited to regulated professions such as law. With a 200,000-token context window, Claude can process long legal documents in a single request.
For legal professionals, Claude offers a major advantage: by default, Anthropic does not reuse customer data to train its models. This privacy policy is critical for protecting legal professional privilege (under French law, article 66-5 of the Act of 31 December 1971). Law firms handling sensitive information find Claude a more reassuring tool in this respect.
Claude is especially strong at analyzing long documents, producing structured summaries and reasoning with nuance, all essential skills in legal work. Its API integration lets legaltech vendors build custom solutions that combine the model's power with verified legal sources through RAG architectures.