Jul 19, 2026

OpenChatKit

Open-source ChatGPT alternative for building specialized and general-purpose chatbots.
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Overview
What is OpenChatKit?

OpenChatKit is the first open-source ChatGPT alternative, offering a robust open-source foundation to build both specialized and general-purpose chatbots for various applications. It includes an instruction-tuned large language model, customization recipes, an extensible retrieval system, and a moderation model. It's not just a model release but a complete open-source project with tools and processes for continuous improvement and community contributions.

Open-source ChatGPT alternative for building specialized and general-purpose chatbots.

Core Features
Instruction-tuned large language model
Extensible retrieval system for live-updating information
Moderation model for filtering inappropriate questions
Customization recipes for fine-tuning the model
Popular Use Cases
  • Building specialized chatbots for specific domains
  • Creating general-purpose chatbots for various applications
  • Augmenting chatbot responses with information from external sources
  • Filtering inappropriate or out-of-domain questions
How to use
  • You can try OpenChatKit on the online playground page and provide feedback. The project also encourages community contributions through GitHub
  • Discord
  • Twitter
  • and Medium.
Product Timeline
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Pricing
OpenChatKit uses a Freemium pricing model. Pricing and features may change over time.
Free
$0
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Pro
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Enterprise
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Verification
Tool status
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Source
Official website / Community submitted
Related Tags
AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser ExtensionFreemium
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