OpenAI just released its answer to Claude Mythos
…Its launch comes just over a month after rival Anthropic announced Claude Mythos, a security-focused AI model it claimed was too dangerous to publicly release and only shared privately as a…
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Claude
Claude is an AI assistant developed by Anthropic that uses large language models to generate text and support conversational tasks.
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Microsoft AI head calls out Anthropic for acting like Claude is conscious
Microsoft AI CEO Mustafa Suleyman says it’s “really, really dangerous” for Anthropic to speculate about Claude’s consciousness inside its “constitution,” or the instructions that tell the model how to behave…
Anthropic is making the security tools it’s used with Claude Mythos Preview just a bit more available.
Upon request, “qualifying” customers can use things like skills, a Claude harness, and a threat model builder, Anthropic says as part of a bigger update about Project Glasswing. Anthropic also plans to…
Mozilla is sharing more details about some of the 271 Firefox bugs identified by Claude Mythos Preview.
…Behind the Scenes Hardening Firefox with Claude Mythos Preview – Mozilla Hacks - the Web developer blog | https://hacks.mozilla.org/2026/05/behind-the-scenes-hardening-firefox/ | Mozilla Hacks – the Web developer blog]
OpenAI’s big Codex update is a direct shot at Claude Code
OpenAI’s big Codex update is a direct shot at Claude Code
Microsoft starts canceling Claude Code licenses
Microsoft first started opening up access to Claude Code in December, inviting thousands of its own developers to use Anthropic’s AI coding tool daily. It was part of an effort to…
The military embraced AI long before Claude
…While much of the coverage after the strike focused on possible hallucinations by Claude, the technology historian Kevin Baker wrote in The Guardian that Maven and the acceleration it enabled is the…
Anthropic releases a new Opus model amid Mythos Preview buzz
…In Opus 4.7’s system card, Anthropic wrote that Opus 4.7 doesn’t even advance the company’s “capability frontier,” since Claude Mythos Preview received higher results “on every relevant…
Anthropic launched a new design product.
…Introducing Claude Design by Anthropic Labs | https://www.anthropic.com/news/claude-design-anthropic-labs | Anthropic]
Mythos v. Firefox.
Anthropic’s cybersecurity-focused AI model found 271 bugs in Firefox 150, Mozilla CTO Bobby Holley said, calling Claude Mythos Preview “every bit as capable” as top security researchers. Reassuringly, Mozilla hasn…