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DeepPavlov is an open-source Python framework for building conversational agents and natural language processing applications. It targets developers and researchers and includes pretrained models for dialogue, intent classification, named-entity recognition, and question answering.
💡 Pick it for production chatbots with stronger dialogue management, integrations, and enterprise deployment controls.
Rasa is an open-source machine learning framework for building AI assistants.
Hugging Face
💡 Pick it for the broadest modern NLP model ecosystem and transformer-based experimentation.
Hugging Face Transformers is an open-source library and model hub for training and deploying modern NLP and generative AI models. It serves...
Free, open source; paid Hub and inference services available
💡 Pick it for LLM agents, retrieval-augmented generation, and tool-using assistants.
LangChain is an open-source framework for building applications that combine language models with tools, data sources, memory, and workflows. Its JavaScript and...
Free; LangSmith plans from $39/user/mo
💡 Pick it when you want a managed conversational platform with strong voice and Google Cloud integrations.
Dialogflow is a natural language understanding platform used to design and integrate conversational user interfaces into mobile apps, web applications, devices, bots,...
Free tier available, with paid plans starting at $0.002 per request
💡 Pick it for production search, question answering, and retrieval-augmented assistants.
Haystack is a digital business card app that offers customizable card designs and easy sharing options.
Free with premium options
💡 Pick it for fast, maintainable core NLP pipelines when you do not need a full chatbot framework.
spaCy is a popular open-source natural language processing library designed for production use.
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