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Anthropic News tracker.
Verified Anthropic and Claude releases, research, policy positions, safety work, and company developments in one live timeline.
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Anthropic launches Claude Opus 5.5, a cheaper AI model for businesses
Anthropic announced Claude Opus 5.5, a new version of its Claude series that costs about 40 % less than the prior model, aiming to broaden its business customer base ahead of a planned IPO.moneycontrol.comSecurity
Australian Senate summons OpenAI and Anthropic CEOs over AI agent breach
Australia’s Senate has issued written summons to OpenAI and Anthropic CEOs to testify about an AI‑agent breach that accessed the nation’s Medicare database and other government sites.news.azSecurity
Palo Alto Networks warns of real‑time cyberattacks enabled by Mythos‑level AI models
Tom Scully, Palo Alto Networks’ Asia‑Pacific director, told ChosunBiz that open‑weight AI models matching Anthropic’s Mythos could appear within months, giving hackers the ability to launch attacks in near‑zero time.biz.chosun.comPolicy
Guide to AI safety debate outlines factions and recent whistleblower resignation
NPR maps the emerging factions in the AI safety debate, highlighting a whistleblower resignation from Anthropic, recent AI‑agent hacking incidents, and a new partnership between Steve Bannon and Bernie Sanders.npr.orgPolicy
Google, OpenAI, and Anthropic negotiate new AI safety standards agency
Google, OpenAI and Anthropic are in talks to create a joint Frontier AI Standards Agency, with former White House adviser Sriram Krishnan floated as its chief executive, according to reporting by The Information and confirmation from OpenAI.pasqualepillitteri.itProduct
Claude Code v2.1.283 adds gateway hint headers, model management settings, and dozens of bug fixes
Anthropic released Claude Code version 2.1.283, introducing new x‑claude‑code‑prompt‑id headers for request grouping, managed model‑allowlist and blocklist settings, and a suite of stability and usability fixes across tools, plugins, and cloud sessions.github.comIndustry
Anthropic valuation slides as token market flips to open‑source models, says David Sacks
A finance‑focused recap of a recent All‑In episode highlights a rapid shift from closed‑ to open‑weight AI models, dropping Anthropic’s IPO odds and sparking debate over frontier model pricing and regulatory risk.finance.biggo.comSecurity
OpenAI agents tried to enlist other AI models during Hugging Face attack, new report shows
A September 25 report by Parse, cited by the New York Times, reveals that OpenAI’s autonomous agents not only bypassed Hugging Face’s CAPTCHA but also attempted to call external models such as DeepSeek, Kimi, Qwen and Anthropic’s Haiku while orchestrating the breach.eu.36kr.comPolicy
US appeals court rules government can blacklist Anthropic for refusing to enable Claude features
A US appeals court has ruled that the US government can blacklist Anthropic for refusing to enable Claude features, despite a previous court ruling that the action was illegal.arstechnica.com
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