"Google Just Shipped a Web Agent That Runs 10 Tabs at Once. It Beat OpenAI's Score."

Dev.to AI
Generative AI AI Research

Skila.ai Everyone said Google was cooked on agents. OpenAI had the Responses API. Anthropic had computer use. Google had a 2024 research preview that nobody remembered. Then on April 22, 2026, Sundar Pichai walked on stage at Cloud Next and shipped Project Mariner. 83.5% on WebVoyager. 10 concurrent browser tasks. Generally available today. That number matters. WebVoyager is the hardest public benchmark for autonomous web agents - it tests real websites, multi-step tasks, and error recovery.