Miami startup Subquadratic claims 1,000x AI efficiency gain with SubQ model; researchers demand independent proof.

The Silicon Valley AV startup has not started driverless testing yet.

SAP plans to buy German AI startup Prior Labs and invest heavily in it. It is also prohibiting customers' agents use to a select few like Nvidia's NemoClaw.

OpenAI updated the default model for ChatGPT to its new GPT-5.5 Instant, along with a new memory capability that finally shows which context shaped responses — at least some of them.  This limitation signals that models are starting to create a second, incomplete memory observability layer that could conflict with existing audit systems and agent logs.  GPT-5.5 Instant replaces GPT-5.3 Instant as the default ChatGPT model and is a version of its new flagship GPT-5.5 LLM. It’s supposed to be more

OpenAI’s president wrapped his testimony on Tuesday by revealing a fiery meeting with Musk and subsequent efforts to remove several board members.