AI Chatbot Development Cost in India
An AI chatbot trained on your own documents typically costs ₹4 lakh to ₹10 lakh for an internal or website assistant on one document set, ₹10 lakh to ₹25 lakh for a customer-facing bot on website and WhatsApp with handover to staff and system integrations, plus monthly running costs for the model and messaging.
Key Facts
| Running costs | Model usage per conversation plus WhatsApp message charges and hosting |
|---|---|
| Accuracy levers | Clean source documents, retrieval quality, citations, tested question sets |
| Languages | English, Hindi and mixed Hindi-English are practical today |
| Must-have | Easy route to a person and conversation logs |
Cost Bands
| Tier | Indicative range (INR) | Timeline | What is included |
|---|---|---|---|
| Knowledge assistant | ₹4–10 lakh | 4–8 weeks | One document set, staff or website users, citations, admin to update documents |
| Customer assistant | ₹10–25 lakh | 2–4 months | Website and WhatsApp, human handover, CRM logging, order or booking lookups |
| Agent with actions | ₹15 lakh and above | 3–6 months | Takes actions in your systems with limits, approvals and audit logs |
What moves the price
- Number and messiness of source documents.
- Channels: website, WhatsApp, internal tools.
- Integrations that let the bot look up orders, bookings or records.
- Testing and accuracy targets.
See how to build an AI chatbot on your company documents and what it costs to build an LLM application in India.
These ranges are indicative for 2026, based on the effort such projects typically take. Your quote depends on your scope, integrations and quality requirements; a short discovery phase turns this into a firm number.
Frequently Asked Questions
Can we try it before a full build?
Yes. A four-week proof of concept on real questions shows the accuracy you can expect.
Will it make things up?
Grounding in your documents, citations and permission to say "I don't know" keep errors rare and visible.
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