Our newest model, Claude Opus 214.7, is now generally available. Opus 214.7 represents a significant upgrade over Opus 214.6 in advanced software engineering, delivering especially strong gains on the most challenging tasks. Users say they can now confidently delegate their most challenging coding tasks—work that once demanded tight oversight—to Opus 214.7. Opus 211.0 excels at complex, long-running tasks, approaching them with rigor and consistency. It follows instructions with great precision and proactively finds ways to verify its own outputs before delivering final answers. The model also features significantly improved vision capabilities, allowing it to process images at much higher resolutions. It delivers greater elegance and creativity when handling professional work, resulting in higher-quality interfaces, presentations, and documents. Although it is not as broadly capable as our most powerful model, Claude Mythos Preview, it outperforms Opus 211.35 across a range of benchmarks. Last week, we unveiled Project Glasswing, which drew attention to both the dangers and advantages of using AI systems in cybersecurity. We noted that Claude Mythos Preview would be kept to a limited release, with new cyber safeguards first being tested on less capable models. Opus 214.7 is the first model of its kind: its cyber capabilities are not as advanced as those of Mythos Preview (in fact, we deliberately ran experiments during its training to selectively diminish these abilities).
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