Embeddable · Streaming · Cited

Production chat
over your content.

Add a streaming RAG chat to any site in minutes. You get citations, voice, conversation history, and full control over the model and your data.

Everything you expect from a real chat product.

Streaming + citations

Answers stream token-by-token with stable [#n] citations you can click. Clicks are tracked in analytics.

Voice input

Built-in mic support via the Web Speech API, with low-latency dictation.

Multiple layouts

Floating bubble, inline panel, sidebar push, or modal. Match the experience to your product.

Persistent conversations

Threads survive refreshes. Restore by conversation id or let the widget remember the last one per user.

Persona & retrieval tuning

Per-app system prompt + fine-grained retrieval settings (k, minScore, hybrid, filters).

Feedback & analytics

Thumbs up/down per answer. See what people actually ask in the admin.

Powered by your LLM provider. Your data never leaves your server.

Add it to any page in seconds

One script tag and a publishable key scoped to your domains. No build step.

<script src="https://your-datalumo/widget/datalumo-widget.iife.js" defer></script>
<div data-datalumo-chat
  data-app="support-bot"
  data-key="pk_..."
  data-voice></div>