big-AGI Open Source AI Chat UI on Ubuntu 24.04 | 24/7 Support by cloudimg
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big-AGI on Ubuntu 24.04 - open-source AI chat/agent web UI, bring your own OpenAI/Anthropic/local LLM key
big-AGI is the open source, self-hosted AI chat and agent web UI. It gives you a polished workspace for talking to any OpenAI-compatible model - OpenAI, Anthropic, Google Gemini, OpenRouter, or a fully local backend such as llama.cpp or Ollama - with rich chat, AI personas, multi-model routing and built-in productivity tools (Create Personas, Compare Text, News, AI Inspector).
big-AGI itself has no server-side accounts and stores no API keys - every LLM credential you add is entered in the browser's own Settings > Models panel and kept in that browser's local storage only, never written to this VM. The cloudimg image runs big-AGI as a Docker container bound to loopback, fronted by nginx on port 80 behind a per-VM HTTP Basic Auth password generated on first boot, plus an unauthenticated /healthz endpoint for load balancer probes.
Pairs naturally with a cloudimg llama.cpp Server instance as a private, no-external-key backend - point big-AGI's Local tab at your llama.cpp Server for a fully self-hosted chat stack.
Licensing - MIT, FREE (Open edition). No per-request or per-seat fee. The cloudimg charge (0.04 USD per vCPU/hour) covers packaging, security patching, image maintenance and 24/7 expert support.