Anthropic launches Claude Opus 5.5, promising Fable-level performance at a lower price

Anthropic has released Claude Opus 5.5, a new AI model the company says performs at roughly the same level as its Claude ...

Ten Days After CEO Calls for a Slowdown, Anthropic Is Back With Another AI Model

The company says Claude Opus 5.5 scores well on alignment measures, but that “public policy” will eventually need to step in ...
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Polymarket odds favor a new Anthropic Opus as calls to slow AI mount

Prediction-market traders are betting that Anthropic will ship its next Claude Opus model within days. This is coming at a time when Anthropic’s own chief executive and a run of departing researchers ...

Researchers used Anthropic’s Claude to hack into OpenAI

Security researchers used Anthropic’s Claude to exploit vulnerabilities in OpenAI’s systems, taking over employee accounts and gaining access to an internal code repository before reporting the flaws.
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Anthropic starts offering Claude Opus 5 to free users, but there’s a catch

Opus 5 was previously locked behind Claude’s paid plans, but it has now started appearing on free accounts without any announcement from Anthropic. There is no visible way to activate the offer, and ...

Anthropic's AI Claude was reportedly down for thousands of users on September 21 with many complaining online.

Anthropic's AI Claude was reportedly down for thousands of users on September 21 with many complaining online.