Google Launches Upgraded Gemini Deep Research Agent Powered by Gemini 3 Pro

Summary

On December 11, 2025 — the same day OpenAI released GPT-5.2 — Google launched a significantly upgraded Gemini Deep Research agent, now powered by Gemini 3 Pro. The agent autonomously plans, executes, and synthesizes multi-step research tasks. For the first time, Google made the Deep Research tool available to developers via the Interactions API, allowing them to embed Google's autonomous research capabilities directly into their own applications. The upgraded Deep Research agent uses Gemini 3 P