An open-source ChatGPT app with a voice
Expert Video Review by SEOGANT · March 2026
Chat with GPT is an open-source web application that provides a clean, self-hostable chat interface for OpenAI's GPT models, giving developers and privacy-conscious users an alternative to the official ChatGPT interface that they fully control.
Users bring their own OpenAI API key and interact with GPT-4 and other models through a polished conversational interface with conversation history, message editing, and regeneration capabilitieswithout any of their queries passing through a third-party service beyond OpenAI itself.
The application includes features that the official interface lacks or restricts: system prompt customization for each conversation, adjustable model parameters like temperature and max tokens, and conversation export in multiple formats.
The self-hosted deployment model means conversation data stays within the user's own infrastructure, and organizations with data sensitivity requirements can use GPT models through their own API access without routing queries through OpenAI's consumer product.
Developers who want to experiment with system prompts and model parameters in a user-friendly interface without switching to API clients use Chat with GPT as a middle ground between raw API access and the constrained official product.
Teams deploying internal AI tools for employees use it as a white-label starting point that they can customize with company-specific system prompts, restrict to particular models, and integrate with their own authentication systems.
Privacy-focused individuals who prefer to use their own API credentials and minimize data exposure through third-party platforms find it a practical alternative to the consumer ChatGPT product.
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