Anthropic is reportedly in talks to buy Decart for $6bn, its biggest deal yet

This article was published on August 13, 2026 Anthropic is reportedly in talks to acquire Decart, an Israeli AI startup, for roughly $6bn, according to reports attributed to Reuters. If it happens, it would be the largest deal in Anthropic’s history. The talks are not final, both companies declined to comment, and the whole thing could still fall apart. What makes the story worth pausing on is not the price but the target. Decart does not build a rival chatbot. It builds software that squeezes more work out of the same chips, cutting the cost of training and running AI models. In an era of thrift-maxxing, where cheap Chinese models keep undercutting Western labs and investors have grown wary of bottomless compute bills, that is a pointed thing to spend $6bn on. Decart was founded in 2023 by three Israeli engineers, Dean Leitersdorf, Orian Leitersdorf, and Moshe Shalev. Alongside its efficiency work, it has a flashier side in generative video and world models, showcased in its Oasis demo back in October 2024. But it is the unglamorous chip-efficiency layer, the part that quietly lowers the electricity bill, that fits Anthropic’s current preoccupations rather than the eye-catching vi