Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s most capable model as of its November 24, 2025 launch, delivering industry-leading performance across agentic coding, computer use, tool use, search, and financial analysis — often by wide margins. It launched alongside a new Infinite Chats feature that eliminates context window errors for extended conversations. Targeting enterprise and power-user deployments, Opus 4.5 set new benchmarks on professional domain evaluations across coding, data analysis, and scientific reasoning. Available at $18/month via Claude.ai and through the Anthropic API.
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