04-X is a privacy-first chat platform for working with LLMs. It encrypts API keys, prompts, and outputs end-to-end and supports OpenAI, Anthropic, Cohere

04-X is a privacy-first chat platform for interacting with large language models (LLMs). Security is central to its design: data is stored securely, only you can access it, and end-to-end encryption protects sensitive information — API keys, prompts, and outputs — with a password you provide.
The platform supports models from several providers: GPT-4, GPT-3.5, and DALL·E 3 from OpenAI; Claude 2 and Claude Instant from Anthropic; models from Cohere; and open-source models you can run yourself via Ollama. The interface handles text generation and summarization, and you can sign up with an email address or a Google account. New models are added regularly.
Current limitations include no multi-platform support, no collaboration features, and no offline access, plus limited public detail on how the platform handles data retention and errors.
04-X suits anyone who wants a secure way to work with LLMs: language model and machine learning engineers, data scientists and analysts, AI and general researchers, software and chatbot developers, NLP specialists and data engineers, content creators and language professionals, students in AI-related fields, and AI enthusiasts.
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