Google Project Mariner Scores 83.5% on WebVoyager with Cloud VM Execution, Plans Visual Builder and Agent Marketplace for Q2-Q3

The Next Web·medium signal

Google DeepMind's web-browsing agent Project Mariner, powered by Gemini 2.0, achieves 83.5% on the WebVoyager benchmark and handles ten concurrent tasks on cloud-based virtual machines. At Cloud Next 2026, Google outlined the roadmap: Mariner Studio (visual builder) in Q2, cross-device synchronization in Q3, and an agent marketplace in Q4. Currently available to AI Ultra subscribers in the US. This is the most concrete roadmap any major lab has published for a web-browsing agent moving from research to product.