Your Sphinx docs are static. Make them interactive.
Add AI search + chatbot to your Sphinx site in minutes. Help users faster and deflect repetitive questions.
Powering docs for
Your Sphinx docs work fine.
Finding stuff in them? Not so much.
Developers skip the search and go straight to Slack. We can fix that (and save your sanity).
3 steps to add AI to Sphinx
No developer overhead. Connect your documentation sources and embed with a single script tag.
Key features for Sphinx
Built specifically for Sphinx with all the features you need to transform your documentation experience.
Sphinx-first indexing
Auto-crawl your Sphinx site (restructuredText, Markdown, versioned docs).
No manual tagging. No broken links.
Natural language search
Understands code syntax, error messages, and API terms.
"Fix 'undefined variable' in Python SDK" → Direct link to troubleshooting section.
Customizable widget
Match colors, fonts, and UI to your Sphinx theme.
Add your own "Suggested Questions" (e.g., "How to contribute?").
Doc gap analytics
See which queries the AI couldn't answer.
Fix missing content before users complain.
GDPR-ready for enterprise
Secure by design.
Domain-lock your widget. Block external access.
Developers, technical writers, and product teams love Biel.ai
See how teams use Biel.ai to reduce support load and improve user experience.
"Biel.ai has been one of those great examples of low effort, high impact tasks. Easy to set up, yet the positive effects are felt immediately."
"Super easy to get started, reads all our sites without trouble, and helps us learn what questions our users ask."
"The support at biel.ai is outstanding. They're always fast and helpful, and they turn our feature requests into reality in no time. We're super happy with the results."
