I will build advanced multi model rag pipelines

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Zeeshan Ansar

Vetted Pro

5.0
5.0
Vetted by Fiverr Pro

Zeeshan Ansar was selected by the Fiverr Pro team for their expertise.

About this gig

I build Multi-Model RAG (Retrieval-Augmented Generation) systems that use multiple LLMs, embeddings, and routing logic to give highly accurate responses from your documents, databases, and private data.

My RAG pipelines are engineered for precision, context retention, high recall, and enterprise-grade reliability.

What I Can Build

  • Multi-model RAG with LLM routing
  • RAG using GPT, LLaMA, Mistral, Qwen
  • PDF/document ingestion & processing
  • Advanced chunking + embedding optimization
  • Vector DB setup (Pinecone, Weaviate, Chroma, FAISS)
  • Hybrid search (keyword + semantic)
  • Metadata filtering
  • Multi-document QA systems
  • Private knowledge base chatbots
  • Custom APIs + dashboard access

Advanced Features

  • Multi-model query routing
  • Model-specific relevance scoring
  • Intelligent chunk merging
  • Citation + source highlighting
  • Structured + unstructured data support
  • Memory + long-context models
  • On-prem or offline RAG

Tech Stack

  • Python
  • LangChain / LlamaIndex
  • GPT-4o, GPT-5, Mistral, LLaMA, Qwen
  • Pinecone / Weaviate / Chroma / FAISS
  • FastAPI
  • Cloud & local deployments

Why Work With Me

  • 100% custom-built pipelines
  • Clean, optimized, scalable architecture
  • High accuracy retrieval
  • Multi-model flexibility

Get to know Zeeshan Ansar

Zeeshan Ansar

Vetted Pro

AI Software Developer

2.4(11)

Zeeshan Ansar is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.

Vetted for

  • AI Development

  • Data Science & ML

  • FromPakistan
  • Member sinceApr 2022
  • Avg. response time1 hour
  • Last delivery1 month
  • Languages

    Urdu, Punjabi, English
I’m a Fiverr PRO Seller with 4+ years of experience delivering cutting-edge AI solutions. I specialize in chatbots and LLMs like LangChain and GPT, NLP tasks using BERT and Hugging Face, and Computer Vision with TensorFlow and Keras. From machine learning models to data visualization and API integration with frontend/backend development, I provide tailored AI solutions that drive innovation and efficiency for your business.

My Portfolio

Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • V
    image-docs

    victoriastella8

    US

    United States

    5

    Zeeshan did an excellent job fixing the image-processing bug in my Multimodal Chatbot. From the start, he communicated clearly, asked the right questions, and made sure he understood exactly what was going wrong. He quickly identified the issue in the image pipeline, explained what needed to be fixed,...

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No
Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • V
    image-docs

    victoriastella8

    US

    United States

    5

    Zeeshan did an excellent job fixing the image-processing bug in my Multimodal Chatbot. From the start, he communicated clearly, asked the right questions, and made sure he understood exactly what was going wrong. He quickly identified the issue in the image pipeline, explained what needed to be fixed,...

    Up to $50

    Price

    1 day

    Duration

    Helpful?
    Yes
    No