Originally published on rohitraj.tech
Google baked computer use into Gemini 3.5 Flash on June 24, 2026 — a vision-based agent that clicks, types, and scrolls across browser, mobile, and desktop. This is the builder\'s read: what actually shipped, the real interactions.create agent-loop code, honest OSWorld numbers (Gemini 78.4 vs GPT-5.5 78.7 vs Claude Opus 4.8 83.4), a side-by-side against Claude computer use and OpenAI, when to skip it, and exactly how I\'d wire one into production without it draining a credit card or running a prompt injection.
Read the full version with code samples, diagrams, and architecture details: Gemini Computer Use vs Claude vs OpenAI: Best Browser Agent 2026
More engineering notes: rohitraj.tech/en/notes
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