Compare the Top Retrieval-Augmented Generation (RAG) Software that integrates with GPT-4 as of October 2025

This a list of Retrieval-Augmented Generation (RAG) software that integrates with GPT-4. Use the filters on the left to add additional filters for products that have integrations with GPT-4. View the products that work with GPT-4 in the table below.

What is Retrieval-Augmented Generation (RAG) Software for GPT-4?

Retrieval-Augmented Generation (RAG) tools are advanced AI systems that combine information retrieval with text generation to produce more accurate and contextually relevant outputs. These tools first retrieve relevant data from a vast corpus or database, and then use that information to generate responses or content, enhancing the accuracy and detail of the generated text. RAG tools are particularly useful in applications requiring up-to-date information or specialized knowledge, such as customer support, content creation, and research. By leveraging both retrieval and generation capabilities, RAG tools improve the quality of responses in tasks like question-answering and summarization. This approach bridges the gap between static knowledge bases and dynamic content generation, providing more reliable and context-aware results. Compare and read user reviews of the best Retrieval-Augmented Generation (RAG) software for GPT-4 currently available using the table below. This list is updated regularly.

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    AnythingLLM

    AnythingLLM

    AnythingLLM

    Any LLM, any document, and any agent, fully private. Install AnythingLLM and its full suite of tools as a single application on your desktop. Desktop AnythingLLM only talks to the services you explicitly connect to and can run fully on your machine without internet connectivity. We don't lock you into a single LLM provider. Use enterprise models like GPT-4, a custom model, or an open-source model like Llama, Mistral, and more. PDFs, word documents, and so much more make up your business, now you can use them all. AnythingLLM comes with sensible and locally running defaults for your LLM, embedder, and storage for full privacy out of the box. AnythingLLM is free for desktop or self-hosted via our GitHub. AnythingLLM cloud hosting starts at $50/month and is built for businesses or teams that need the power of AnythingLLM, but want to have a managed instance of AnythingLLM so they don't have to sweat the technical details.
    Starting Price: $50 per month
  • 2
    Dify

    Dify

    Dify

    Dify is an open-source platform designed to streamline the development and operation of generative AI applications. It offers a comprehensive suite of tools, including an intuitive orchestration studio for visual workflow design, a Prompt IDE for prompt testing and refinement, and enterprise-level LLMOps capabilities for monitoring and optimizing large language models. Dify supports integration with various LLMs, such as OpenAI's GPT series and open-source models like Llama, providing flexibility for developers to select models that best fit their needs. Additionally, its Backend-as-a-Service (BaaS) features enable seamless incorporation of AI functionalities into existing enterprise systems, facilitating the creation of AI-powered chatbots, document summarization tools, and virtual assistants.
  • 3
    Credal

    Credal

    Credal

    Credal is the safest way to leverage AI at your enterprise. Our APIs, chat UI, and Slackbot automatically mask, redact or warn users about sensitive data, based on policies set by IT. Users get the most powerful AI apps like GPT-4-32k (the private and most powerful version of ChatGPT-4), Claude and others, whilst the Enterprise can control usage with confidence that data is secured and Audit Logged. Credal integrates with enterprise data sources like Google Drive, Confluence, and Slack so employees can seamlessly use AI with their existing knowledge assets whilst respecting source system permissions and masking sensitive data.
    Starting Price: $500 per month
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