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AI Chatbot Development Service

We design, build, and train production-grade chatbots with LLMs and RAG, grounded in your data, integrated into your stack, and tuned to take real actions across support, sales, and operations.

AI Chatbots that Resolve Issues - Not Just Answer Them

Accurate, source-backed answers using your documents and knowledge base
Deploy across your website, WhatsApp, Slack, voice, and more - in as little as 2–6 weeks
NDA & IP protection - you own everything we build
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4.6/5 on Clutch3,200+ satisfied clients
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300+Successful Projects
300+
Successful Projects

3,200+Satisfied Clients
3,200+
Satisfied Clients

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G2 Reviews
4.6/5 | 18k+ Happy reviews
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G2 Reviews
4.6/5 | 18k+ Happy reviews

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g2RatingImage
G2 Reviews
4.6/5 | 18k+ Happy reviews
g2RatingImage
G2 Reviews
4.6/5 | 18k+ Happy reviews

300+Successful Projects
300+
Successful Projects


3,200+Satisfied Clients
3,200+
Satisfied Clients

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new


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Our AI Chatbot Development Services To Grow Your Business

For over 15 years, we've helped businesses automate conversations, improve customer experiences, and streamline operations with intelligent AI chatbots. Whether you're reducing support workloads, qualifying leads, or automating internal processes, we build chatbot solutions that create measurable business impact.

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Chatbot Consulting

Our team of technology consultants will understand your business needs and think of how chatbots can add value to your business.
  • Integrate with your knowledge base, backend systems, and tools while designing prompts, managing context, and structuring for real-world usage. 
  • Optimize performance, response consistency and cost control so that the chatbot behaves reliably across a wide range of queries.

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Generative AI Chatbot Development

We don’t build rule-based chatbots that give prewritten replies; we go beyond by building generative AI chatbots that provide natural, context-aware responses in real time.
  • Handles open-ended, unpredictable user queries while keeping responses grounded in your business data.
  • Design custom AI chatbots for diverse use cases, from customer support to internal knowledge assistant and HR bots.

Case Study. E-COMMERCEHow a SaaS Company Reduced Support Tickets by 60% Using a Custom AI Chatbot

A SaaS company had long support response times. We developed an AI chatbot to handle troubleshooting and account queries, allowing easy handoff to human agents.

This deflected 60% of incoming tickets and cut average response time to under 5 seconds.

Read the Full Story
chatbot case study
Not a script. A bot that does the job

Most chatbots deflect with canned replies. Ours retrieve the right answer from your systems, cite the source, take an action, and hand off to a human only when they should.

Grounded in your data - Retrieve verified information directly from your documents, APIs, and internal knowledge base using Retrieval-Augmented Generation (RAG).
Real Business Actions - Track orders, book appointments, update CRM records, create support tickets, and automate workflows—all within a conversation.
Built for Enterprise - Reduce hallucinations, enforce business rules, maintain compliance, and seamlessly escalate conversations whenever human expertise is required.
user asks question

Why choose us?

Building an AI chatbot isn't just about connecting an LLM. Success depends on thoughtful conversation design, reliable integrations, continuous optimization, and deep understanding of your business. That's exactly what we deliver.

Conversation Design

We architect conversations before development begins, carefully planning dialogue flows, edge cases, escalation logic, and tone to create natural customer experiences that perform reliably in production.

AI Trained on Real Customer Data

Instead of assumptions, we use historical support tickets, chat transcripts, search behaviour, and business documentation to train chatbots that understand how your customers actually communicate.

Reliable Human Handoffs

Complex conversations deserve human expertise. We build intelligent escalation workflows that preserve conversation context and ensure agents have everything they need to continue seamlessly.

Go Beyond Basic Integrations

We integrate securely with your CRM, ERP, helpdesk, authentication systems, and internal APIs while accounting for production challenges like retries, failures, permissions, and data consistency.

Continuous Optimization, Not One-Time Deployment

Launching your chatbot is only the beginning. We monitor performance, identify conversation gaps, analyze user behaviour, and continuously improve accuracy based on real-world usage.

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AI Chatbots Tailored to Your Industry

Every industry has unique terminology, customer expectations, compliance requirements, and business workflows. We build AI chatbots that understand your domain from day one.

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Manufacturing

  • Predictive maintenance
  • Quality control and defect detection
  • Supply chain optimization
  • Yield optimization
  • Anamoly detection

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Healthcare

  • Clinical data analysis
  • Medical image analysis
  • Patient Risk Stratification
  • Drug discovery support

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Retail & Ecommerce

  • Customer segmentation
  • Demand forecasting
  • Recommendation engine
  • Churn prediction
  • Dynamic pricing models

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Banking & Finance

  • Credit Risk scoring
  • Fraud detection
  • Regulatory reporting automation
  • Loan default prediction
  • Customer lifetime value modelling

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Automotive

  • Predictive maintenance for fleets
  • Driver behaviour analysis
  • Quality defect analysis
  • Connected vehicle data analytics 

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Logistics and Transport

  • Route optimization
  • Warehouse demand forecasting
  • Shipment anomaly detection
  • Last mile analytics

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Edtech

  • Learning path personalization
  • Student performance prediction
  • Engagement analytics
  • Cohort and Retention analysis

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SaaS

  • Product and usage analytics
  • A/B test analysis
  • Lead scoring and conversion prediction
  • Infrastructure cost optimization

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Explore How AI Can Benefit Your Business?
Schedule A Free Consultation

Step-by-Step Process We Follow For Creating Custom Chatbot Solutions

We follow a structured, collaborative development process that ensures your chatbot is accurate, scalable, secure, and fully integrated into your business.

01

Requirement Analysis

We understand your business problem and chatbot usage. We review support data and logs to see how users ask questions and where systems fail.

02

Conversation Design

We design the conversation architecture, defining intent taxonomy, dialogue flows, context handling, escalation criteria, and response format for the chatbot.

03

AI Model Training

We prepare your chatbot with knowledge by integrating documents, FAQs, APIs, and databases. The AI understands your domain and delivers accurate responses.

04

Chatbot Development

In contrast to traditional chatbots that rely on fixed scripts, large language models offer dynamic and adaptive responses, allowing for more engaging and personalized interactions.

05

Computer Vision

For industries like legal tech, healthcare, hospitality or travel, we add computer vision capabilities into your AI chatbot for analysis of documents, scanning prescriptions or validating IDs.

06

Reinforcement Learning

Our chatbot becomes smarter over time through reinforcement learning, every interaction becomes a source of valuable training data helping the bot to adapt and evolve in real time.

Choose the Right AI Chatbot Engagement Model

Whether you're building a proof of concept or deploying enterprise-wide AI, we offer flexible engagement models designed around your business needs

Starter

$4,500
USD per month Billed Monthly
Start here
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Fixed price
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~2-week delivery
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1 channel
Professional
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Recommended

$12,000
USD per monthBilled Monthly
Get a proposal
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30 days post-launch tuning
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RAG on your data, with guardrails
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Multi-channel + CRM/helpdesk
Enterprise

Custom
CustomCustom pricing
Talk to sales
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SSO, audit logs, compliance
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SLAs & dedicated suppor
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On-prem / VPC deployment

Outcomes from enterprise deliveries

See how organizations reduced support costs, improved customer experience, and scaled operations with custom AI chatbots built by our team.

View All Case Studies
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Case Study
3,456 Crof Cloud saving in FY25

998no. of total Anomalies

Why Businesses Choose BigOhTech for AI Chatbot Dev

Building AI chatbots internally requires hiring specialists, managing infrastructure, and maintaining evolving AI technologies. Freelancers may solve short-term needs, but enterprise AI projects demand a multidisciplinary team.

Let's Build Your AI Chatbot
Time to launch
LLM / RAG expertise
CRM & Helpdesk Integration
Post-launch training
Data & IP Protection
Cost Predictability
Freelance Developer
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Varies
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Varies
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Limited
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Not Included
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Varies
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Variable
Recommended
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2-6 weeks
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Dedicated AI & RAG Specialists
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CRM, ERP & Helpdesk Integrations
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Training & Documentation
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Enterprise Security, NDA & IP Rights
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Fixed
Talk to Expert
In-House Build
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3-6 moths
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Needs Hiring
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Requires Internal Development
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Ongoing Cost
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Managed Internally
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High Fixed Cost

AI Chatbots We Build for Every Business Need

Every business has different goals. Whether you're automating customer support, improving sales, or streamlining internal operations, we build AI chatbots designed around your specific use case.

Start Your Project
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Transactional Chatbots

These chatbots handle transactions (such as placing an order, scheduling an appointment, initiating a return, or requesting order updates) for ecommerce platforms and service-based applications, without having to handle everything manually. 

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Customer Support Bots

These chatbots reduce customer wait time by handling multiple conversations simultaneously and operating around the clock. By taking on routine work, they’re handing off complex tasks to human agents when needed.

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Voice Assistants

Voice assistants understand human conversations through natural language processing and machine learning. This lets people talk naturally on mobile apps, kiosks, or other connected devices.  

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Multilingual Chatbots

These bots understand and talk to users in multiple languages, which means they can talk to customers all over the world by translating messages back and forth in real time and can figure out on the go which language a user is using.

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Enterprise Chatbots

Enterprise chatbots free up your internal team by handling HR questions, finance approvals and providing speedy IT support.  

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Lead Generation Chatbots

Whether you’re in Saas, Tech, financial services, travel or hospitality, our lead generation chatbots handle the process of capturing leads, filtering them and then routing them to your sales team. 

Technologies We Use in AI Chatbot Services

We carefully select the right AI models, frameworks, databases, and cloud platforms to build scalable, secure, and future-ready chatbot solutions.

Next js logo
Next js
Open AI logo
Open AI
Rasa logo
rasa
Google DialogFlow
Dialogflow
PyTorch logo
pytorch
Whatsapp chatbot logo
Whatsapp chatbot
Web bot
Web bot
AI bot logo
AI bot
Typescript
Typescript
Es6 and Es7
Es6 and Es7
MySQL
MySQL
PostgreSQL
PostgreSQL
MongoDB 
MongoDB 
MXNET
MXNET
Java
Javascript
springboot
Springboot
Python
Python
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Node JS
TensorFlow
TensorFlow
LangChain
Langchain
Pinecone (Vector DB)
Pinecone

Our Strategic Industry Partnerships

We have decades of experience in emerging technology and engineering that help businesses to quickly ramp the tech team at an affordable cost.  

AWS logo
AWS
Google cloud
Google cloud
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Shopify
Slack
Slack
Open AI logo
Open AI
Microsoft Azure
Microsoft Azure
Meta logo
Meta
Zendesk logo
Zendesk
Salesforce
Salesforce
HubSpot
HubSpot
AI INSIGHTSBuild Conversational AI That Delivers Business Value

We create conversational AI chatbots that are built to scale, remain compliant, and integrate with existing enterprise systems.  Want LLM-powered virtual assistants that can do more than just answer questions?

AI chatbots and Gen AI assistants can cut costs by up to 90% by handling repetitive inquiries, categorizing them, and reducing the workload of call centre staff. (BCG)
57% of CIOs agree that conversational bots deliver a large return on investment for minimal effort. (Accenture)
Explore AI Agent Use Cases
AI INSIGHTS

AI Technologies That Power Intelligent Conversations

We combine the latest AI technologies to create chatbots that understand context, learn continuously, and deliver human-like interactions.

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Natural Language Processing (NLP)

We create NLP driven bots that understands user intent, the tone of the message and provide smooth, natural interactions.

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Sentimental Analysis

No matter whether the user is feeling excited, frustrated or curious, the AI chatbot solutions adapts it approach as per user’s response.

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Machine Learning

We add ML capabilities into AI chatbots so that chatbots learn from previous interactions, so they get better over time in predicting what users need.

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Large Language Models

In contrast to traditional chatbots that rely on fixed scripts, large language models offer dynamic and adaptive responses, allowing for more engaging and personalized interactions.

Icon representing Computer Vision

Computer Vision

For industries like legal tech, healthcare, hospitality or travel, we add computer vision capabilities into your AI chatbot for analysis of documents, scanning prescriptions or validating IDs.

Icon representing Reinforcement Learning

Reinforcement Learning

Our chatbot becomes smarter over time through reinforcement learning, every interaction becomes a source of valuable training data helping the bot to adapt and evolve in real time.

Why our clients love working with us

View All Reviews
Clutch review

Our awards and accolades validate our work; we are the best application development company in India & USA.
Ikshit Chhabra
Deputy GM@Apollo Health & Lifestyle Ltd
1 year ago
The team managed to overcome the challenges and deliver the project without compromising on quality.
View LinkedIn
Manish Saini
Former CEO@Ferns N Petals
2 weeks ago
"Delivering quality work was a motivation for their team."
View LinkedIn
Sudha Gupta
Sr. Project manager@Flydocs
2 weeks ago
"Overall, their approach was flexible and focused, ensuring that our needs were met effectively."
View LinkedIn

Insights, Case Studies & Industry Perspectives

How To Deal With Attrition In Post Pandemic Era
AI/ML

How to Deal with Attrition in the Post-Pandemic Era?

Technical Writer
Gurpreet Kaur
6 Mins Read • 06/07/26
blockchain in education industry benefits and needs

Blockchain in Education Industry – Benefits and Needs

Technical Writer
Gurpreet Kaur
6 Minutes Mins Read • 08/08/2023
Right Mobile App Development

The Right Mobile App Development Services Company

Technical Writer
Gurpreet Kaur
3 Minutes Mins Read • 19/12/2022

Frequently Asked Questions (FAQs)

How do you reduce AI hallucinations?

We minimize hallucinations by combining enterprise-grade Large Language Models with Retrieval-Augmented Generation (RAG), business rules, source validation, guardrails, and continuous testing. Every response is grounded in verified business data instead of relying solely on the model's memory.

Is our business data secure?

Absolutely. Your data remains your property. We support secure deployments, enterprise authentication, role-based access controls, NDA protection, and compliance with industry security standards. We never use your proprietary data to train public AI models without your explicit consent.

Can the chatbot hand conversations over to human agents?

Yes. When a conversation requires human expertise, the chatbot intelligently escalates it while preserving the full conversation history and context. This ensures a seamless experience for both customers and support teams.

Which platforms can the chatbot integrate with?

Our AI chatbots can integrate with websites, mobile apps, WhatsApp, Slack, Microsoft Teams, CRM platforms, helpdesk software, ERP systems, payment gateways, and custom APIs. We tailor integrations to fit your existing technology stack.

Can the chatbot be trained using our own documents and business data?

Yes. We build chatbots using your knowledge base, PDFs, FAQs, SOPs, APIs, CRM data, and internal documentation through Retrieval-Augmented Generation (RAG). This allows the chatbot to provide accurate, source-backed responses grounded in your business information.

How much does a custom AI chatbot cost?

Pricing depends on your requirements, integrations, deployment model, and business use case. Whether you're building a proof of concept or an enterprise AI assistant, we'll recommend the right engagement model and provide a transparent proposal after a discovery call.

What types of AI chatbots do you develop?

  • Customer Support Chatbots
  • Enterprise Knowledge Assistants
  • Sales & Lead Qualification Bots
  • Voice Assistants
  • Multilingual Chatbots
  • HR & Employee Support Bots
  • Ecommerce Shopping Assistants
  • Internal Operations Chatbots Each solution is customized to your business objectives.

We build a wide range of AI chatbot solutions, including:

Do you provide support after deployment?

Yes. Deployment is only the beginning. We continuously monitor chatbot performance, improve response quality, expand knowledge sources, optimize prompts, and provide ongoing maintenance to ensure long-term business value.

How long does it take to build a custom AI chatbot?

Most AI chatbot projects are delivered within 2–6 weeks, depending on complexity, integrations, and the amount of business knowledge the chatbot needs to learn. We follow an agile delivery approach, so you can review progress throughout the project.

Can your AI chatbot perform actions instead of only answering questions?

Yes. Beyond answering questions, our chatbots can create support tickets, book appointments, update CRM records, retrieve account information, process orders, trigger workflows, and automate repetitive business tasks through secure integrations.

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