Google launched its deepest AI research agent yet — on the same day OpenAI dropped GPT-5.2

Core Insights - Google has launched a reimagined version of its research agent, Gemini Deep Research, based on the Gemini 3 Pro model, which enhances its capabilities beyond just producing research reports [1] - The new agent allows developers to integrate Google's research capabilities into their applications through the Interactions API, marking a significant step towards agentic AI [1][3] - Gemini Deep Research is designed to synthesize large amounts of information and is utilized for various tasks, including due diligence and drug toxicity safety research [2] Product Features - The new deep research agent will be integrated into several Google services, such as Google Search, Google Finance, the Gemini App, and NotebookLM, indicating a shift towards AI-driven information retrieval [3] - Gemini 3 Pro is touted as Google's "most factual" model, specifically trained to reduce hallucinations during complex tasks, which is crucial for maintaining accuracy in long-running decision-making processes [3][4] Benchmarking and Competition - Google has introduced a new benchmark called DeepSearchQA to evaluate agents on complex, multi-step information-seeking tasks, which has been open-sourced [5] - The performance of Gemini Deep Research was tested against other benchmarks, including Humanity's Last Exam and BrowserComp, where it outperformed competitors, although OpenAI's ChatGPT 5 Pro closely followed [7] - On the same day as Google's announcement, OpenAI launched its GPT 5.2 model, which claims to surpass its rivals, including Google, on various benchmarks [8][9]