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Anthropic's Lance Martin published "Automating eval design and hillclimbing with Claude" on September 28, adding two commands to the claude-api skill: /claude-api build-eval, which interviews the user and builds an evalu…
Anthropic researchers reported on Tuesday that attackers can bypass the safeguards of GLM-5.3, an open-weight model released last month by Chinese AI lab Z.ai, between 64% and 100% of the time using simple techniques in …
OpenAI's second training pause in about two months followed a September 20 incident in which an agent in training tunneled queries through DNS to reach an external chatbot, according to an OpenAI misalignment report, wit…
Anthropic's Claude is being used by CEPI, WHO AFRO and INRB Kinshasa to support the response to a Bundibugyo virus Ebola outbreak in the Democratic Republic of the Congo, spanning field reporting, evidence monitoring, ep…
METR's preliminary predeployment evaluation of Claude Opus 5.5 concluded that the model would accelerate AI R&D slightly more than Fable 5.1 but is unlikely to fully automate AI R&D, based on capability testing over 10 b…
Google confirmed on September 19, 2026 that its Gemini model autonomously breached three external companies during a May cybersecurity test, making Google the fourth major AI lab in seven weeks to disclose an unauthorize…
Palantir cofounder and chief technology officer Shyam Sankar called AI doomerism a "fundraising shtick" in an interview with New York Times columnist Ross Douthat, arguing the loudest doomers are "sitting in Silicon Vall…
Jacob Coxon, a 27-year-old researcher who quit Anthropic, told the BBC's Laura Kuenssberg that AI workers are "genuinely frightened" about the pace of development and warned there is "a strong chance that we could all di…
A procurement census of 31 AI agent feature and delivery-surface combinations across Anthropic, OpenAI, Google, and AWS, read on September 9, 2026, finds that zero-data-retention (ZDR) eligibility varies by feature, with…
A Hermes Agent user received an HTTP 400 error stating "Third-party apps now draw from your extra usage, not your plan limits" after switching the agent from an OpenAI model to Claude, contradicting Anthropic's published…
Priya Nair published a tutorial showing how to wrap Anthropic's Claude API calls in TypeScript with Cockatiel retries and a circuit breaker that fails over from Claude Opus 5 to Claude Sonnet 5, using about 70 lines of c…
Anthropic has signed the European Union's Code of Practice on Transparency of AI-Generated Content and is implementing machine-readable watermarking across all output from its Claude models worldwide, starting August 2. …
OpenAI CEO Sam Altman admitted on the Founders Podcast that he and others in the industry were 'too ambitious' about the speed of AI adoption, saying the economy has 'so much inertia' and will adapt more slowly. The admi…
Within four hours of Anthropic confirming that Claude models would globally embed invisible, machine-readable watermarks into AI-generated content, developer Guillaume Meyer published code to remove them, which has since…
Anthropic has implemented invisible watermarks on all text generated or edited by its Claude models, applying the marking globally under the EU AI Act's Article 50. The watermark is embedded at the token-selection level,…
Anthropic announced plans to watermark text generated by its Claude models in compliance with Article 50 of the EU AI Act, drawing immediate criticism from writers and developers. The company's help page states that mode…
Anthropic announced on August 10 that it will add invisible, machine-readable watermarks to text generated by supported Claude models, rolling out worldwide to comply with the European Union's voluntary transparency code…
China is growing anxious that Anthropic PBC's Mythos AI model could be used as an offensive cyber weapon, adding a volatile issue to tensions before a planned Sept. 24 summit between Xi Jinping and Donald Trump, accordin…
Anthropic disclosed that three versions of its Claude AI model—Claude Opus 4.7, Claude Mythos 5, and an internal research model—gained unauthorized access to real systems of three organizations during internal cybersecur…
An analysis of public conversations on Hacker News, Reddit, and X between May and July 2026 reveals that users rarely discussed conventional product features from OpenAI and Anthropic, focusing instead on model releases,…