Anthropic Claude is a family of AI assistants developed by Anthropic, an AI safety company founded by former OpenAI researchers including Dario Amodei and Daniela Amodei. Claude is designed with a focus on safety, helpfulness, and honesty, using Anthropic's Constitutional AI training methodology to align model behavior with human values. Claude 4 (Sonnet and Opus) represents the latest generation, offering industry-leading performance on reasoning, coding, analysis, and creative tasks. Claude features a 200K token context window (capable of processing entire novels), supports file uploads for analysis, and offers real-time web search in supported regions. Claude excels at nuanced writing, detailed analysis, coding assistance, and maintaining consistent persona over long conversations. The platform is available through claude.ai (free tier with usage limits), Claude Pro at $20/month, and Claude Enterprise for organizations. Anthropic has raised over $7 billion from investors including Google, Salesforce, and Zoom. Claude is particularly valued by developers, researchers, and writers for its thoughtful, well-reasoned responses and strong safety guardrails.
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