Anthropic has unveiled its latest Claude 4 models, Opus 4 and Sonnet 4, which aim to elevate standards in advanced reasoning, coding, and autonomous AI systems. Opus 4 excels at managing complex, long-term tasks and can operate independently for extended periods, showcasing refined memory use that lessens its dependency on context. Sonnet 4, in contrast, enhances instruction adherence and programming accuracy, addressing performance issues of its predecessor. Both models function as hybrid systems adapted for dynamic user requirements, and additional tools, like Claude Code, have also been launched to support coding tasks.
"Opus is the most powerful model Anthropic has developed to date, designed for complex, long-term tasks that require thousands of steps with little human intervention."
"Sonnet 4 is designed for accurate instruction following, maintaining high performance in programming and reasoning while being easier to control than version 3.7."
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