Gemini 3 Pro: Google launches its new flagship, in Search from day one
In one sentence On November 18, 2025 Google releases Gemini 3 Pro in preview: top of LMArena at 1501 Elo, 76.2% on SWE-bench Verified, 1 million token context. It ships the same day in the Gemini app, AI Mode in Search, AI Studio, Vertex AI and the new agentic development platform Antigravity.
On November 18, 2025 Google introduces Gemini 3, starting with the Gemini 3 Pro model in preview. According to Google it clearly beats Gemini 2.5 Pro on every major benchmark, and at launch it tops LMArena, the leaderboard based on user votes.
The most visible change is distribution: for the first time a new Gemini reaches Google Search (in AI Mode) on launch day, as well as the Gemini app. Developers get it in AI Studio, Vertex AI, Gemini CLI and Antigravity, a new development environment where AI agents write and check code.
Google also announces Deep Think, a longer reasoning mode, first for safety testers and then for Google AI Ultra subscribers.
In the same announcement Google cites 650 million monthly users for the Gemini app and 2 billion for AI Overviews.
Companies
Google, Google DeepMind
Tools
Gemini 3 Pro, Gemini 3 Deep Think, Google Antigravity
Tags
Sources