Claude Opus 4.7

Claude Opus 4.7 is designed as a hybrid reasoning model purpose-built for software engineering and AI agent workflows, representing a meaningful step up from its predecessor Opus 4.6. The model is engineered to handle complex, long-running tasks with greater rigor and consistency, and it introduces a self-verification capability that lets it check its own outputs before returning results. This design choice is particularly valuable for coding tasks, where practitioners report being able to hand off their most difficult work—the kind that previously needed close supervision—with newfound confidence. Opus 4.7 also brings substantially improved vision, allowing it to perceive images at higher resolution and analyze charts, figures, and documents with greater precision. When it comes to professional creative work, the model is described as more tasteful and capable of producing higher-quality interfaces, slides, and documentation.

The model's training lineage builds directly on Opus 4.6 with targeted improvements in advanced software engineering, showing better results across a range of benchmarks. Notably, Opus 4.7 was used as a testing ground for new cyber safeguards that Anthropic developed following its Project Glasswing announcement, with the company choosing to apply these guardrails to a less powerful model before rolling them out more broadly. During training, experiments were conducted to differentially reduce certain capabilities, giving Opus 4.7 a distinct capability profile compared to Anthropic's most powerful offering. In practice, the model shines across enterprise knowledge work, financial analysis, life sciences, and long-horizon agentic tasks that require sustained autonomy. Its ability to verify outputs, maintain context over extended sequences, and produce polished professional materials makes it well-suited for production workflows that go beyond benchmark questions.