From PC Mag: One of Google’s first forays into agentic AI for web browsing has been closed without any prior warning. Project Mariner closed on Monday, May 4, according to Google’s website, as spotted by Wired’s Max Zeff.
Google's landing page for the experimental tool now says, “Thank you for using Project Mariner. It was shut down on May 4th, 2026 and its technology voyaged to other Google products.” It tells users to try using Gemini Agent for what it calls “complex tasks.”
Project Mariner tools enabled web browsing via an AI agent you could send to complete tasks for you across the internet, taking the effort of searching out of your hands. The idea is to make deep research tasks easier, such as finding the best-priced flights, planning a hotel stay, or researching a new purchase.
The tool launched in December 2024 before becoming a greater focus during last year's Google I/O. Project Mariner expanded to handle 10 tasks simultaneously, though you needed a $249.99/month Google AI Ultra subscription to access it.
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