Aatizaz Khan
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Service

Custom AI Agents & LLM Integration

I build custom AI agents and LLM features that plug into your existing product and business tools. Agents are built with LangChain and the Claude and OpenAI APIs, connected to your data and APIs, and served from a FastAPI backend you own.

What you get

  • Agent workflows that call your APIs and tools
  • Claude and OpenAI features inside existing products
  • Chat and assistant interfaces for web or mobile
  • Backend services to run and monitor the agent

Tech stack

  • Python
  • LangChain
  • LLM APIs (Claude, OpenAI)
  • FastAPI
  • Next.js
  • Supabase

How it works

  1. 01

    Scope

    You share the idea and requirements; I reply within two days with questions, then a fixed-price quote that itemises each deliverable.

  2. 02

    Build

    Work happens in stages with regular progress updates. Changes mid-build are assessed and planned in, not refused.

  3. 03

    Review

    Two rounds of revisions are included. Anything beyond that, or a change in scope, is quoted separately.

  4. 04

    Launch & support

    Release, handover, and two weeks of support included. Ongoing care is available as a monthly retainer.

Timeline & pricing

Scoped per project; you get a fixed timeline with the quote. Every project has a fixed price, quoted after I review your requirements, with each deliverable itemised.

Questions

A chatbot answers questions; an AI agent can also take actions. An agent decides which tools to use, such as your CRM, database or booking API, calls them, and uses the results to finish a task, while a chatbot only replies with text.

Yes. I integrate Claude and OpenAI models into existing web and mobile products, adding features such as assistants, summaries, search or automated workflows. The integration runs through a backend service, so your API keys and data stay on your side, not in the browser.

Other services

Available for work

Got an idea worth building?

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