Google shuts down Project Mariner

Google announced the shutdown of Project Mariner, an experimental feature designed to perform tasks across the web, effective May 4, 2026. The project was first revealed in December 2024 and had the capability to execute up to 10 tasks simultaneously. Over the past year, Google has integrated features from Project Mariner into its other tools, such as Gemini Agent, reflecting a strategic shift towards embedding technology in its core products.