Anthropic's Claude Opus 5.5 cut em dash usage to 2 occurrences across 57,000 words of output, down from 12.9 per 1,000 words in Opus 5, according to an independent evaluation run by Arize employee Jim…
Anthropic released Claude Opus 5.5, the first model in its new Claude 5.5 family, which the company says performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus …
Anthropic released Opus 5.5, its first update to the system powering the Claude chatbot since CEO Dario Amodei backed calls to "pace the frontier" and slow AI development, with the company reporting a…
OpenAI scientist Sebastien Bubeck has released a detailed account of his interactions with NYU mathematician Tristan Buckmaster and Anthropic researcher Levent Alpöge over the Navier-Stokes proof disp…
Researchers from Anthropic and OpenAI are publicly sparring over credit for AI-assisted progress toward solving the Navier-Stokes equation, after NYU mathematician Tristan Buckmaster accused OpenAI sc…
Anthropic is preparing to roll out a new safety system for its top models that will let enterprise customers keep data on their own infrastructure, with safeguards and monitoring provided by Anthropic…
Anthropic representatives Sholto Douglas and Dario Amodei have publicly discussed the possibility of a single AI company achieving hegemonic power, a scenario investor Gavin Baker recently debated on …
Anthropic CEO Dario Amodei returned to X to deny a claim made on the All-In podcast that he has said Anthropic could become the only private company in the world. Anthropic's Sholto Douglas called the…
Anthropic's Claude Mythos has solved OpenAI's landmark Erdős unit-distance conjecture with what an engineer called a "cute, simple proof," marking another AI-driven breakthrough in combinatorial geome…