Google launches reimagined Gemini Deep Research AI agent as OpenAI unveils GPT-5.2

Reviewed byNidhi Govil

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Google released a reimagined version of its Gemini Deep Research AI agent powered by the Gemini 3 Pro model, introducing developer integration through the new Interactions API. The timing proved strategic—Google dropped this announcement on the same day OpenAI launched GPT-5.2. The updated agent scored 46.4% on Humanity's Last Exam, outperforming OpenAI's GPT-5 Pro at 38.9%.

Google Unveils Reimagined Gemini Deep Research With Developer Access

Google released a significantly upgraded version of its Gemini Deep Research AI agent on Thursday, powered by the Gemini 3 Pro model and designed to handle complex research tasks with enhanced factual accuracy

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. The new AI research agent retains its core ability to produce research reports while introducing a critical new capability: developers can now embed Google's advanced research capabilities directly into their own applications through the newly launched Interactions API

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. This API serves as a unified interface for interacting with models and agents, reflecting the latest capabilities like thinking and advanced tool use that extend beyond simple text generation.

Source: 9to5Google

Source: 9to5Google

The timing of this release carried strategic significance. Google made its announcement on the same day OpenAI unveiled GPT-5.2, codenamed Garlic, in what appears to be a calculated move to maintain visibility amid intense competition in the AI space

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. The API pricing matches the Gemini 3 Pro model at $2 per million input tokens, while output tokens cost $12 per million for prompts up to 200,000 tokens and $18 per million for longer prompts

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Source: Benzinga

Source: Benzinga

Enhanced Web Search and Information Synthesis Capabilities

The reimagined Gemini Deep Research demonstrates improved web search capabilities that allow it to navigate deep into websites for specific data

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. The AI agent operates by iteratively planning its investigation—it formulates queries, reads results, identifies knowledge gaps, and searches again to fill them

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. By scaling multi-step reinforcement learning for search, the agent autonomously navigates complex information landscapes with high accuracy

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Optimized for long-running context gathering and information synthesis tasks, the agent can process and synthesize vast amounts of information efficiently while managing large context dumps within prompts

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. Customers already employ the tool for practical applications ranging from due diligence processes in business to drug toxicity safety research in pharmaceuticals

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. The Gemini 3 Pro model's visual reasoning features enable users to upload documents and have the agent scan them to find specific information, condense them into reports, or enrich them with data from the web

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Source: SiliconANGLE

Source: SiliconANGLE

Reduced Hallucinations and Benchmark Performance

Google emphasizes that Gemini Deep Research benefits from Gemini 3 Pro's status as its most factual model, specifically trained to minimize hallucinations during complex tasks

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. AI hallucinations—where the LLM generates inaccurate information—pose a significant risk in long-running, deep reasoning agentic tasks where numerous autonomous decisions occur over minutes or hours

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. A single hallucinated choice in these sequences can compromise the validity of the entire output, making reduced hallucinations essential for reliable operation

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On benchmarks, the agent achieved state-of-the-art results. On Humanity's Last Exam, which tests AI models on expert-level reasoning and problem-solving across academic subjects, Gemini Deep Research scored 46.4%, surpassing both Gemini 3 Pro at 43.2% and OpenAI's GPT-5 Pro at 38.9%

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. Google also introduced DeepSearchQA, a new benchmark featuring 900 hand-crafted tasks across 17 fields designed to test agent comprehensiveness on web research tasks

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. The agent scored 66.1% on DeepSearchQA compared to GPT-5 Pro's 65.2%, while on BrowseComp, which evaluates locating hard-to-find facts, it achieved 59.2% versus GPT-5 Pro's 59.5%

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Integration Plans and Developer Availability

Google plans to integrate the deep research agent into several existing services to broaden accessibility, including Google Search for improved query resolution, Google Finance for detailed market analysis, the Gemini App for user interactions, and NotebookLM for note-taking and knowledge organization

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. This represents another step toward preparing for a world where AI agents conduct searches on behalf of humans

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The agent is now available for developers through Google AI Studio, with the consumer app integrations coming soon

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. Google will expand built-in agents and introduce the ability to build and bring custom agents, enabling developers to connect Gemini models, Google's built-in agents, and their custom agents using one API

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. The Interactions API also automates some of the work involved in managing data that users upload to an AI application for processing, and includes an MCP tool for connecting AI models to third-party systems

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