---
title: "build ai apps chatbots using langchain, llamaindex, huggingface, crewai  autogen"
url: https://zinnhub.com/zinns/build-ai-apps-chatbots-using-langchain-llamaindex-huggingface-crewai-autogen/
description: "Advanced Custom AI Application and Bot development from Scratch | Full Stack AI Development"
published: 2025-12-28T03:13:03+00:00
modified: 2026-06-30T21:14:44+00:00
language: en-GB
---

# build ai apps chatbots using langchain, llamaindex, huggingface, crewai  autogen

Greetings and welcome to my AI bot development Zinn! If you’re searching for a bespoke AI solution that can handle intricate tasks and automate workflows, then you’ve come to the right place. As a skilled AI bot/App developer based in London, England, I have extensive experience working with Langchain, Llamaindex, crewAI, vector stores, and LLM APIs to develop cutting-edge applications that cater to your business needs.

I specialise in crafting personalised AI bots/Apps that can perform various functions, including natural language processing, sentiment analysis, recommendation systems, chatbot integration, computer vision, and much more. To ensure the efficiency and scalability of your custom app, I employ advanced tools and technologies that provide value to your business.

**Listed below are the services that Zinn Digital® offers:**

- Development of basic, custom, and complex AI apps utilising Langchain, vectorstores, and LLM APIs that fulfil your specific business requirements.
- Integration of AI with other applications such as chatbots, websites, social media platforms, etc.
- Customisation of AI bot features and functionalities to match your brand identity and user experience.

**Note: Contact Zinn Digital® before placing order.**

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### This Zinn Will Include (Basic)

Advanced Custom AI Application and Bot development from Scratch

**Delivery:** 21 days

**Revisions:** 1

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### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 21 days | 30 days | 45 days |
| **Revisions** | 1 | 1 | 1 |