Claude Opus

Claude Opus: Anthropic's flagship large language model, delivering frontier intelligence for complex reasoning, advanced coding, and autonomous agentic workflows.

Claude Opus is Anthropic's most capable foundation model (LLM), setting the industry benchmark for complex reasoning, math, and coding. It achieves state-of-the-art results on key evaluations: Opus 4.1 scored 74.5% on SWE-bench Verified. The model features a massive 200,000-token context window (expandable to 1 million for specialized tasks), enabling deep, multi-file analysis and long-horizon agentic workflows. Deploy Opus for enterprise-grade automation, complex financial forecasting, or expediting R&D across critical sectors.

https://claude.ai/