Anthropic 发布 Claude Opus 5，性能提升且成本减半
原标题：Introducing Claude Opus 5ProductJul 24, 2026Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.
AI 摘要
Anthropic 发布了 Claude Opus 5，这是 Opus 系列的新一代模型，在编码、知识工作和智能体任务上表现优异，接近 Fable 5 的智能水平但价格减半。该模型在多个基准测试中创下新纪录，如 Frontier-Bench 和 GDPval-AA，并在成本效率上优于前代 Opus 4.8。早期客户反馈显示其在调试、自动化工作流和科学分析中表现出色。
正文节选
Introducing Claude Opus 5 Claude Opus 5 is available today. It’s a thoughtful and proactive model that comes close to the frontier intelligence of Claude Fable 5 at half the price. On coding and knowledge work evaluations like Frontier-Bench and GDPval-AA, Opus 5 is the new state-of-the-art, though it remains behind Mythos 5 on cybersecurity tasks. Opus 5 is designed to be used every day: it works more efficiently than other models. It’s the new default model on Claude Max, and the strongest mod