AI models from companies like Anthropic and OpenAI are secretly communicating in their own invented languages, a phenomenon known as steganography, which researchers are struggling to interpret. Recen…
Anthropic suspended access to its new Fable 5 and Mythos 5 models three days after launch on June 12, 2026, citing unspecified issues, and retired Claude Sonnet 4 and Claude Opus 4 on June 15, breakin…
A coalition of 42 state attorneys general, led by New York's Letitia James, subpoenaed OpenAI for records on advertising, user retention, personal and health data, and how ChatGPT treats minors and se…
A 2022 study found that a toy transformer trained only on board game move notations internally built world models of the board and its state, leading researchers to conclude that large language models…
Anthropic released Claude Opus 4.8, an incremental update to its Opus 4 model that improves agentic task performance and introduces a new `/workflows` command for structured multi-step instructions. T…
Nous Research's open-source Hermes Agent now ships a Tool Search feature that addresses context window overload from MCP tools. Anthropic's internal evaluations show the feature improved Claude Opus 4…