Get a custom AI chatbot — FAQs, lead generation, booking, or knowledge-base — built with GPT-4 and enterprise LLMs for your website, app, or CRM by an experienced London-based AI development team.
I Will Build a Bespoke AI Chatbot Powered by GPT-4 and LLMs
A focused, bespoke AI chatbot for FAQs or content suggestions — ideal for blogs, small business websites, and simple automation needs.
- Custom AI chatbot powered by GPT-4 / OpenAI API
- Designed for FAQ responses or article/content suggestions
- Suitable for blogs, websites, and small businesses
- Basic prompt engineering and conversation flow setup
- Website or app embed-ready delivery
- 3 rounds of revisions included
An enhanced AI chatbot with broader capability — lead qualification, CRM or Zapier/Make integration, and document-trained knowledge base.
- Everything in Starter, plus expanded scope
- Lead qualification and automated follow-up flows
- CRM, Google Sheets, Zapier, or Make integration
- Knowledge-base / document-trained bot with RAG pipeline
- Multi-intent conversation design and advanced prompt engineering
- 3 rounds of revisions included
A full-scale, enterprise-grade AI agent system — multi-channel, deeply integrated, with booking, sales, support, and complex automation built in.
- Everything in Boost, plus full enterprise-grade build
- AI agents for booking, sales, and customer support automation
- Custom GPT, Botpress, or OpenAI API bot with fine-tuned or Llama-3 LLM options
- Multi-platform deployment: website, mobile app, and CRM
- End-to-end workflow automation with Zapier, Make, or custom API
- 3 rounds of revisions included
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Value Position
AI Stack
Integration Depth
Deployment Targets
Best For
What You'll Receive
Full Description
Your customers expect instant, intelligent responses at every hour of the day. Whether you are running a blog, a small business website, or an enterprise platform, a well-built AI chatbot removes the bottleneck between visitor and conversion — answering questions, qualifying leads, and guiding users without any manual effort on your part.
Zinn Digital® is a London-based AI and software development studio with 7+ years of collective experience delivering AI, machine learning, and data science projects across industries. We build production-ready AI chatbots and intelligent agents powered by GPT-4 and leading enterprise LLMs — not generic off-the-shelf tools, but bespoke systems architected around your specific use case.
**What We Build**
Our chatbot solutions cover the full spectrum of conversational AI needs:
- FAQ and content-suggestion chatbots for blogs, websites, and small businesses
- AI agents for booking, sales, and customer support automation
- Knowledge-base and document-trained bots using Retrieval-Augmented Generation (RAG)
- Lead qualification and automated follow-up agents
- Custom GPTs and OpenAI API-powered assistants
- Chatbots built on Botpress, integrated via Zapier, Make, Google Sheets, or your CRM
**How It Works**
1. You place your order and share your use case and any relevant materials (documents, FAQs, website details).
2. We review your requirements and confirm scope via the order chat.
3. Our team designs, builds, and tests your chatbot.
4. We deliver the working solution and walk you through it.
5. You request any revisions within your package allowance — we refine until it is right.
**Who This Is For**
This service suits bloggers and content creators who want article-suggestion bots, small business owners who need always-on FAQ and support automation, SaaS and app teams looking to embed conversational AI, and growth-focused businesses that want intelligent lead qualification without increasing headcount.
**Why Zinn Digital®**
We combine expertise in web, mobile, and desktop AI application development with hands-on experience in LLMs, custom model training, fine-tuning, Llama-3, LangChain, and RAG pipelines. Every solution is tailored — there are no templates handed over without thought. Security and confidentiality are built in from the outset, following industry best practices to protect your data. We also provide post-deployment support, so you are never left on your own after go-live.
Ready to automate your business with a powerful, bespoke AI chatbot? Place your order and let us know your use case — we will take it from there.
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Compare Packages
| Feature | Starter | Boost | Premium |
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 45 days |
| Revisions | 3 | 3 | 3 |
| Custom AI chatbot powered by GPT-4 / OpenAI API | ✓ | ✕ | ✕ |
| Designed for FAQ responses or article/content suggestions | ✓ | ✕ | ✕ |
| Suitable for blogs, websites, and small businesses | ✓ | ✕ | ✕ |
| Basic prompt engineering and conversation flow setup | ✓ | ✕ | ✕ |
| Website or app embed-ready delivery | ✓ | ✕ | ✕ |
| 3 rounds of revisions included | ✓ | ✓ | ✓ |
| Everything in Starter, plus expanded scope | ✕ | ✓ | ✕ |
| Lead qualification and automated follow-up flows | ✕ | ✓ | ✕ |
| CRM, Google Sheets, Zapier, or Make integration | ✕ | ✓ | ✕ |
| Knowledge-base / document-trained bot with RAG pipeline | ✕ | ✓ | ✕ |
| Multi-intent conversation design and advanced prompt engineering | ✕ | ✓ | ✕ |
| Everything in Boost, plus full enterprise-grade build | ✕ | ✕ | ✓ |
| AI agents for booking, sales, and customer support automation | ✕ | ✕ | ✓ |
| Custom GPT, Botpress, or OpenAI API bot with fine-tuned or Llama-3 LLM options | ✕ | ✕ | ✓ |
| Multi-platform deployment: website, mobile app, and CRM | ✕ | ✕ | ✓ |
| End-to-end workflow automation with Zapier, Make, or custom API | ✕ | ✕ | ✓ |
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Build a Bespoke AI Chatbot Powered by GPT-4 and LLMs
Build a Bespoke AI Chatbot Powered by GPT-4 and LLMs
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Frequently Asked Questions
Share your use case (e.g. FAQ bot, lead capture, booking assistant), the platform you want it deployed on (website, app, CRM), any documents or content you want the bot trained on, and your preferred tone or brand style. The more detail you provide upfront, the faster and more accurate the build.
Once the chatbot is delivered, you test it and share your feedback via the order chat. Each revision round addresses your listed changes — tone adjustments, flow corrections, new responses, or integration tweaks. All packages include 3 revision rounds. Additional rounds can be purchased as an add-on.
Yes. Integration with websites, mobile apps, CRMs, Google Sheets, Zapier, and Make is covered depending on your chosen tier. If you have a specific platform or tool in mind, mention it in your project brief so the right approach can be confirmed before work begins.
After reviewing your brief, the team will confirm whether your requirements fit the selected package or whether an upgrade or custom arrangement is needed. This is discussed via order chat before any work begins, so there are no surprises.
Post-deployment support is provided to address any issues, implement updates, or answer questions about managing your chatbot. If you anticipate ongoing maintenance needs, raise this during the order so expectations can be aligned clearly.
Industry best practices and robust security measures are applied throughout the build. Any documents, data, or credentials you share are used solely for the purpose of completing your project and are handled with strict confidentiality.
Builds use GPT-4, the OpenAI API, Botpress, LangChain, Python, Llama 3, HuggingFace, RAG pipelines, and vector embeddings. The specific stack is chosen based on your requirements and the complexity of your project.
Yes — document-trained bots using Retrieval-Augmented Generation (RAG) are available from the Boost tier onwards. You would provide the documents, PDFs, or knowledge-base content, and the bot is trained to answer questions accurately from that material.
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