Anthropic is the leading AI safety-focused company in 2026, creators of the Claude family of models (Opus 4.5, Sonnet 4.5, Haiku 4.5), excelling in advanced reasoning, coding, agentic tasks, vision, and long-context processing. Claude.ai offers free access with paid Pro/Max/Team plans for higher usage and features; API available for developers. Ideal for professionals, developers, enterprises needing reliable, steerable, and safe frontier AI.