Anthropic's Claude Opus 4 outperforms OpenAI's GPT-4.1 with unprecedented seven-hour autonomous coding sessions and ...

Anthropic says Claude Opus 4 is its most powerful model and the best coding model in the world, while Sonnet 4 is replacing ...

A third-party research institute Anthropic partnered with to test Claude Opus 4 recommended against deploying an early ...

In a fictional scenario, Claude blackmailed an engineer for having an affair.

The testing found the AI was capable of "extreme actions" if it thought its "self-preservation" was threatened.

Anthropic, a leading AI startup, is reversing its ban on using AI for job applications, after a Business Insider report on ...

Anthropic introduces Claude 4 Sonnet and Opus models with enhanced reasoning, coding abilities, and memory for sustained, ...

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that "validated [Claude's] capabilities with a demanding open-source refactor ...

AI firm Anthropic says that routine tests of AI software revealed that the system is capable of blackmailing users when ...

Anthropic launches web search API for Claude as Apple considers AI search alternatives to Google, signaling a major shift in how users discover information online.

The results revealed that models such as OpenAI's GPT-4o and Antropic's Claude were "distinctly pacifist," according ...