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Ollama Deep Research, the Open-Source Alternative to OpenAI Deep Researcher

Ollama Deep Research is the open-source alternative to OpenAI Deep Researcher. This guide covers setup, features, pricing, and why it’s a better choice.

Ashley Goolam

Ashley Goolam

Updated on March 19, 2025

Are you tired of relying on proprietary AI tools for your research needs? Look no further than Ollama Deep Research, an open-source alternative that offers flexibility, privacy, and cost efficiency. In this comprehensive guide, we'll explore what Ollama Deep Research is, how to use it, its advantages over OpenAI Deep Researcher, Google’s Deep Research and more.

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What is Ollama Deep Research?

Ollama Deep Research is a fully local web research and report-writing assistant designed to streamline your research process. It utilizes large language models hosted locally, allowing you to input a topic and generate relevant web search queries. This tool gathers web search results, summarizes them effectively, and identifies knowledge gaps through multiple iterative cycles. The final output is a comprehensive markdown summary that includes the sources consulted, making it ideal for researchers, students, and professionals seeking to enhance their web research capabilities.

How Does Ollama Deep Research Work?

Ollama Deep Research is designed to streamline your research process by automating the search, summarization, and iteration phases. Here's a step-by-step breakdown of how it works:

Step 1: Start

User Input: The process begins when you input a topic or query into Ollama Deep Research. This could be anything from a simple question to a complex research topic.

Step 2: Generate Query

LLM Query Generation: Ollama uses a locally hosted large language model (LLM) to generate a precise web search query based on your input. This query is structured to capture relevant information from the web.

Search Engine Integration: The generated query is then used to perform a web search using APIs like Tavily, Perplexity, or DuckDuckGo. These engines retrieve relevant sources related to your research topic.

Step 4: Summarize Sources

LLM Summarization: The retrieved sources are summarized using the same LLM. This step extracts key insights and integrates them into an evolving summary of your research topic.

Step 5: Reflect on Summary

Knowledge Gap Identification: The LLM reflects on the summary to identify any knowledge gaps or areas where more information is needed. This reflection process is crucial for ensuring a comprehensive understanding of the topic.

Step 6: Finalize Summary

Iterative Improvement: Based on the identified gaps, new search queries are generated to gather additional information. The process of searching, summarizing, and reflecting repeats until a predefined number of iterations is reached or until the desired level of detail is achieved.

Final Output: The final output is a comprehensive markdown summary that includes all sources used during the research process. This summary provides a structured overview of the topic, complete with citations for further reference.

Step 7: End

User Review: Once the final summary is generated, you can review it to ensure it meets your research needs. The iterative process ensures that the summary is thorough and well-structured, making it easier to understand and expand upon your research findings.

This step-by-step process allows Ollama Deep Research to provide a detailed and comprehensive research output while maintaining privacy and control over your data.

How to Use Ollama Deep Research: A Step-by-Step Guide

Using Ollama Deep Research involves setting up your environment, configuring your search engine, and launching the assistant. Here's a detailed guide to get you started:

Step 1: Setup Your Environment

Download Ollama App: Download the latest version of Ollama from the official site that is compatible for your operating system (Windows, MacOs or Linux).

Pull a Local LLM: Use the command ollama pull deepseek-r1:8b to download a local large language model (LLM) like DeepSeek.

Clone the Repository: Clone the Ollama Deep Researcher repository using Git:

git clone https://github.com/langchain-ai/ollama-deep-researcher.git cd ollama-deep-researcher

Create a Virtual Environment (Recommended):

For Mac/Linux:

python -m venv .venv source .venv/bin/activate

For Windows:

python -m venv .venv .venv\Scripts\Activate.ps1

Step 2: Configure Your Search Engine

Default Search Engine: By default, Ollama uses DuckDuckGo for web searches, which does not require an API key.

Alternative Search Engines: To use Tavily or Perplexity, you need to add their API keys to your environment file:

# Create ".env" file
cp .env.example .env

# Add your keys
echo "Tavily_API_KEY='TYPE-YOUR-KEY-HERE'" >> .env

Set the SEARCH_API variable to either tavily or perplexity, and add the corresponding API key (TAVILY_API_KEY or PERPLEXITY_API_KEY).

Step 3: Launch the Assistant

Install Dependencies: Install the necessary packages using pip:

pip install -e .pip install -U "langgraph-cli[inmem]"

Start the LangGraph Server: Launch the LangGraph server:

langgraph dev

Access LangGraph Studio: Open the LangGraph Studio Web UI via the URL provided in the terminal output (e.g., https://smith.langchain.com/studio/?baseUrl=http://127.0.0.1:2024).

Configure in LangGraph Studio: In the configuration tab, select your web search tool. Ollama Deep Research integrates seamlessly with powerful web search engines like DuckDuckGo, Perplexity and Tavily, each offering unique advantages that enhance your research experience.

Set the name of your local LLM (e.g., llama3.2 or deepseek-r1:8b) and adjust the depth of research iterations if needed (default is 3).

Step 4: Input Your Query

Enter Your Topic: Once configured, input your research topic or query into the LangGraph Studio interface.

Generate Report: Ollama will generate a comprehensive markdown report based on your input, using the selected search engine and LLM.

Ollama deep research sample output

This setup allows you to leverage the power of Ollama Deep Research for efficient and private research, with the flexibility to choose your preferred search engine and LLM.

Why Use Ollama Deep Research Over Others?

Ollama Deep Research offers several advantages over proprietary tools like OpenAI Deep Researcher and Google’s Deep Research:

Privacy and Control:

Since Ollama runs entirely on your local machine, you maintain full control over your data and research process. This is particularly important for sensitive topics where data privacy is crucial.

Unlike OpenAI Deep Researcher, which requires data to be sent to their servers, Ollama keeps all your research in-house.

Cost Efficiency:

Ollama is open-source and can be run for free if you have the necessary hardware. This eliminates the need for expensive API calls or subscription fees associated with proprietary models.

OpenAI Deep Researcher, for instance, was initially available only with a ChatGPT Enterprise/Pro subscription, which is significantly more expensive.

Customization:

With Ollama, you can choose from a variety of local models or even fine-tune them with domain-specific datasets. This flexibility allows you to tailor your research tool to your specific needs.

Proprietary tools like OpenAI Deep Researcher offer less customization and rely on their proprietary models, limiting your ability to adjust parameters or integrate custom tools.

Features of Ollama Deep Research

Ollama Deep Research comes with several key features that make it an attractive choice for researchers:

1. Local Model Support:

It supports any locally hosted LLM, allowing you to choose models like LLaMA-2 or DeepSeek based on your needs and resources. This flexibility ensures that you can optimize performance and accuracy according to the model's capabilities.

2. Iterative Search and Summarization:

The tool performs multiple cycles of searching and summarizing to ensure thorough coverage of the topic and identification of knowledge gaps. This iterative approach helps in refining the research output and providing a comprehensive overview.

3. Markdown Report Generation:

Ollama generates reports in markdown format, which is easy to read and edit. The reports include all sources used, making it simple to reference and expand upon the research.

4. Privacy-Preserving:

Since the tool runs locally, it ensures that your research data remains private and secure. Only search queries are sent to external engines, and even those can be configured to use non-tracking options like DuckDuckGo.

Pricing

One of the most significant advantages of Ollama Deep Research is its pricing model. As an open-source tool, it is essentially free to use once you have the necessary hardware. The only costs involved are those related to maintaining your local setup, such as electricity and hardware maintenance. This is a stark contrast to proprietary tools like OpenAI Deep Researcher, which require expensive subscriptions or API call fees.

In comparison, Google’s Deep Research is included in a Google One Premium plan for about $20 per month, making it more accessible than OpenAI’s offerings but still less cost-effective than Ollama for those with the necessary hardware setup.

Conclusion

Ollama Deep Research is a powerful open-source alternative to proprietary deep research tools like OpenAI Deep Researcher. It offers unparalleled privacy, customization, and cost efficiency, making it an ideal choice for researchers who value control over their data and research process. Whether you're a student, professional, or simply someone interested in deepening your understanding of a topic, Ollama Deep Research provides the tools and flexibility you need to achieve your goals.

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