Meta chief executive officer Mark Zuckerberg publicly thanked Apple's new chief executive officer, John Ternus, on October 15 for help running Meta's latest AI model on Apple hardware. He posted on Elon Musk's X, not Meta's own Threads, to tag him. The model, Muse Spark Open, has 816 billion parameters and is free to download. It runs on two or four Mac Studios linked together, each with Apple's M5 Ultra chip. A Mac Studio with that chip starts at $5,499. The thanks mark a thaw. The companies clashed over privacy, and Apple's 2021 tracking changes cut an estimated $10 billion from Meta's 2022 revenue. Neither company has said whether more joint projects are planned.

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Vectorial AI Inc. has raised $3 million in seed funding to launch an AI platform that simulates human behaviour for consumer research. Smilegate and SenseAI Ventures jointly led the round, with funds from the University of California at Berkeley and Stanford University also taking part. Angel investors from Meta Platforms Inc., Mastercard Inc., and Shopify Inc. contributed too. The platform simulates thousands of users within target demographics, replacing surveys that can take weeks and often involve only 50 to 100 people. It runs on a model called SAPIENS, trained on data from more than 2.5 million real consumers. Vectorial says its simulations match real user studies with about 86% accuracy. It will use the funds to expand its dataset and build SAPIENS 2.0.