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Google Launches Gemini 3 With New Search 'Thinking' Mode, Agent Tools and Antigravity Platform

Access starts with paying users in the U.S., reflecting a cautious, staged release.

Overview

  • U.S. Gemini Pro and Ultra subscribers can now use Gemini 3 Pro via the Search AI Mode's new Thinking option and in the Gemini app, with broader availability to follow.
  • In Search, the model generates tailored visual layouts and interactive elements such as simulations and calculators directly inside results pages.
  • Google introduced Gemini Agent for Ultra subscribers on the web to carry out multi‑step tasks using Gmail, Calendar and real‑time browsing, with confirmations required for sensitive actions.
  • Developers get early access to Gemini 3 Pro in AI Studio, the API, Vertex AI and the new Google Antigravity platform for building autonomous, task‑oriented agents.
  • The company cites a top ranking on LMArena and emphasizes added safeguards to curb hallucinations and misuse, while a Deep Think mode enters restricted testing before a wider rollout.