
AI Browser Agents Comparison 2026: Comet vs Browser-Use vs Operator
AI browser agents — software that autonomously navigates the web, fills forms, clicks buttons, and executes multi-step tasks without human input — have moved from research curiosity to production infrastructure in 2026. Three tools dominate developer and enterprise conversations: Comet (Perplexity’s agentic browser), Browser-Use (the open-source Python framework with 79,000+ GitHub stars), and OpenAI Operator (ChatGPT’s computer-using agent). Choosing between them determines your cost structure, your privacy posture, and how far you can push automation before hitting a wall. ...