Pricing
Start free, upgrade as you grow.
Starter
Perfect for getting started
$50
/ month
2 free months with annual plan
1 project
500 indexed pages
1 dashboard user
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Most Popular
Growth
More pages, users, and messages
$100
/ month
2 free months with annual plan
1 project
1,000 indexed pages
2 dashboard users
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Professional
Multiple sites with integrations
$250
/ month
2 free months with annual plan
3 projects
2,500 indexed pages
3 dashboard users
MCP & REST API
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Business
High-volume with advanced AI
$500
/ month
2 free months with annual plan
6 projects
5,000 indexed pages
6 dashboard users
Advanced AI models
MCP & REST API
Enterprise
Custom solutions for large-scale requirements.
Custom quotas
Custom integrations
SLA guarantee
Dedicated support
Customer stories
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."
Marko Stanik
Product Success
Turnkey
"Super easy to get started, reads all our sites without trouble, and helps us learn what questions our users ask."
Tim McMakin
Technical Writer
TriliTech
"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."
Lars Wilhelmer, PhD
Documentation Engineer
Talon.one
Questions? We've got answers
Common questions about setup, pricing, security, and how Biel.ai works with your docs.
Biel.ai focuses specifically on technical content, not generic chatbot responses. It handles OpenAPI specs, schemas, error codes, and other developer-facing formats with precision. Unlike general-purpose chatbots, Biel.ai is built for technical documentation and understands the context and structure of developer content.
Start with Starter. We'll let you know if you need more capacity.
15 days with full Starter plan access. No credit card required.
Two steps: connect your docs and add our widget. Takes about 15 minutes with our setup guide.
Yes - appearance, personality, and behavior. Make it feel like your brand.
Most of them: Docusaurus, Antora, Starlight, GitBook, WordPress. If yours is missing, let us know.
We use RAG (Retrieval-Augmented Generation) with large language modelsto find relevant content in your docs and generate contextual answers.
It gets better when you update your docs based on what users are asking about.
GPT-4.1 mini and Claude 3.5 Haiku for all plans. Business plans also get GPT-5 and Claude 4.0 Sonnet.
We'll warn you at 80% usage. You can upgrade to increase your quota.
Your data is encrypted and stays private. We follow standard compliance practices. Check our Privacy Policy for details.
No, your content and user conversations stay with you. Never used for training.