Claude (Opus / Sonnet)

Anthropic's flagship AI models engineered for advanced reasoning, sophisticated coding, and high-stakes enterprise workflows.

Developed by Anthropic, the Claude model family represents the frontier of safe, high-performance artificial intelligence. The lineup is anchored by two primary powerhouses: Claude Opus (the premium model optimized for complex, multi-step reasoning and deep analysis) and Claude Sonnet (the highly efficient workhorse balancing rapid execution with advanced cognitive capabilities). Both models feature a massive 200,000-token context window, state-of-the-art multilingual processing, and industry-leading performance in professional software engineering and data analysis. Built using Constitutional AI principles, they deliver reliable, steerable, and secure outputs for developers and enterprises alike.

https://www.anthropic.com/claude