| Description | Sierra is a conversational AI platform that lets companies build and deploy autonomous AI agents for customer experience—handling support, driving revenue, and taking backend actions across chat, SMS, WhatsApp, email, voice, and ChatGPT. Aimed at mid-market and enterprise CX and operations teams, it stands out for its outcome-based pricing (you pay for resolved outcomes, not seats) and Ghostwriter, an agent-building agent that turns SOPs, transcripts, and plain-English goals into production-ready multilingual agents. | Claude is a next-generation AI assistant built by Anthropic. With industry-leading context length, exceptional coding and reasoning capabilities, and a strong focus on safety, Claude is trusted by Fortune 500 companies and individual users alike. |