You will get Production Ready Open Source Voice AI Agent (Pipecat)
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Project details
๐ฏ Project:
I will deliver a complete, production-ready voice AI prototype using Pipecat.
๐ ๐ช๐ต๐ ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ ๐ผ๐๐ฒ๐ฟ ๐ฉ๐ฎ๐ฝ๐ถ / ๐ฅ๐ฒ๐๐ฒ๐น๐น?
๐ฃ๐ฟ๐ถ๐ฐ๐ฒ: Retell โ $0.07+/min, Vapi โ $0.05+ (+ extras), ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐ณ๐ฟ๐ฒ๐ฒ
๐๐ฎ๐๐ฒ๐ป๐ฐ๐: Retell โ good, Vapi โ varies, ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐๐น๐๐ฟ๐ฎ-๐น๐ผ๐ (300โ600ms)
๐ฅ๐ฒ๐น๐ถ๐ฎ๐ฏ๐ถ๐น๐ถ๐๐: Retell/Vapi โ errors possible, ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐๐ผ๐ ๐บ๐ฎ๐ป๐ฎ๐ด๐ฒ ๐ฒ๐๐ฒ๐ฟ๐๐๐ต๐ถ๐ป๐ด
โ Whatโs included (always):
โข End-to-end voice pipeline
โข Voice Activity Detection
โข Interruptions support
โข Tool call: "End call"
โข Full source code + docs
๐ Free optional add-ons:
โข Background noise handling
โข Spelling confirmation (email, phone)
โข Number dialing
Choose any โ no extra cost.
๐ Advanced features (paid add-ons):
These can be added to this prototype or built later as separate milestones:
โข Booking via tool calls (check free slots, book appointment)
โข Transfer to human
โข CRM/web scraping
โข Any custom tool/API setup
To note: These and other features can be added later as separate mileston or ongoing development after this basic prototype delivery.
๐ Iโll send a short questionnaire to align scope before we start.
I will deliver a complete, production-ready voice AI prototype using Pipecat.
๐ ๐ช๐ต๐ ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ ๐ผ๐๐ฒ๐ฟ ๐ฉ๐ฎ๐ฝ๐ถ / ๐ฅ๐ฒ๐๐ฒ๐น๐น?
๐ฃ๐ฟ๐ถ๐ฐ๐ฒ: Retell โ $0.07+/min, Vapi โ $0.05+ (+ extras), ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐ณ๐ฟ๐ฒ๐ฒ
๐๐ฎ๐๐ฒ๐ป๐ฐ๐: Retell โ good, Vapi โ varies, ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐๐น๐๐ฟ๐ฎ-๐น๐ผ๐ (300โ600ms)
๐ฅ๐ฒ๐น๐ถ๐ฎ๐ฏ๐ถ๐น๐ถ๐๐: Retell/Vapi โ errors possible, ๐ฃ๐ถ๐ฝ๐ฒ๐ฐ๐ฎ๐ โ ๐๐ผ๐ ๐บ๐ฎ๐ป๐ฎ๐ด๐ฒ ๐ฒ๐๐ฒ๐ฟ๐๐๐ต๐ถ๐ป๐ด
โ Whatโs included (always):
โข End-to-end voice pipeline
โข Voice Activity Detection
โข Interruptions support
โข Tool call: "End call"
โข Full source code + docs
๐ Free optional add-ons:
โข Background noise handling
โข Spelling confirmation (email, phone)
โข Number dialing
Choose any โ no extra cost.
๐ Advanced features (paid add-ons):
These can be added to this prototype or built later as separate milestones:
โข Booking via tool calls (check free slots, book appointment)
โข Transfer to human
โข CRM/web scraping
โข Any custom tool/API setup
To note: These and other features can be added later as separate mileston or ongoing development after this basic prototype delivery.
๐ Iโll send a short questionnaire to align scope before we start.
AI Algorithms
Convolutional Neural Network, Generative Adversarial Network, Large Language Model, Long Short-Term Memory Network, Multimodal Large Language Model, Recurrent Neural Network, Transformer Model, Variational AutoencoderAI Applications
AI Chatbot, AI Text-to-Speech, AI-Generated Video, Automatic Speech Recognition, Conversational AI, Machine Translation, Natural Language Generation, Natural Language Understanding, Speech SynthesisAI Development Language
PythonAI Tools
Azure OpenAI, GitHub Copilot, Hugging Face, StreamlitAI Models
BERT, BLOOM, ChatGPT, GPT-4, LLaMA, WhisperWhat's included $1,200
These options are included with the project scope.
$1,200
- Delivery Time 3 days
- Number of Revisions 1
- AI Model Integration
- Model Documentation
- Prompt Engineering
- Setup File
- Source Code
21 reviews
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HL
Hein L.
Dec 30, 2025
Streamlit & Python API Development
Den was very professional and knowledgeable throughout the project. He delivers as per the expectation and we will definitely hire him again.
KP
Katya P.
Sep 8, 2025
Build AI solution for data annotation
We collaborated with Denis on developing an AI solution for data annotation, and the results were excellent. He demonstrated strong technical expertise, delivered on time, and maintained clear and professional communication throughout the project. We highly recommend Denis for AI/ML projects and look forward to future collaboration.
BG
Bo G.
Apr 19, 2025
OpenAI Advanced Prompt Engineering
AA
Ali Abdulkadir A.
Mar 13, 2025
Backend AI Developer
Denis has been a great help on the project taking things from 0-1 and building all the core functionality.
MH
Min H.
Mar 10, 2025
AI Consulting
About Denis
Generative AI | Custom AI solutions | Voice Agents | Chat bots | RAG
100%
Job Success
Chernivtsi, Ukraineย - 4:32 am local time
My AI powered systems helps online businesses and products that want to streamline operations and increase user engagement by automating or simplifying customer interactions with the key features by using AI automation or personal AI assistant that provides 24/7 support for each client.
โ My expertise includes:
- Desing AI solutions
- Chatbot development
- Prompt engineering
- Models fine-tuning
- RAG system
- ChatGPT / AI API intergations
- AI Voice Agents
- AI backend development
โ My services includes
๐ Search personal AI power: We discuss and unlock the power of AI by identifying opportunities to streamline your processes, improve efficiency, and automate tasks with custom AI solutions tailored to your needs.
๐ฏ Custom AI Solution Design: I design AI systems from the ground up, creating tailored solutions that address your specific business challenges.
๐ป Chatbot Development & Prompt Engineering: I build intelligent chatbots that use advanced language models like GPT, Gemini, and Code Llama to deliver smart, responsive, and context-aware interactions.
โ๏ธ AI Model Fine-Tuning & RAG Systems: I fine-tune AI models to fit specific tasks or build Retrieval-Augmented Generation (RAG) systems that enhance the accuracy and relevance of AI responses for your tasks using your specific data.
๐๏ธ AI Voice Agents: I create AI-powered voice agents and integrate AI tools with third-party APIs to deliver seamless voice interactions for customer service, virtual assistants, and other applications.
Frameworks I work with:
LangChain, LangGraph, Llamaindex, OpenAI, Cloud (Entropiq), Grok, Ollama, Transformers, FastAPI, Vector DBs (Pinecone, Weviate, Chroma), RAG systems, Deepgram, 11Labs, Vapi.ai, Hume.ai.
Deployment:
Docker, AWS (ECR, EC2, S3, Lambda), Google
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If you want to discuss what jobs AI will replace in the near future ๐ (or you require a custom AI solution), get in touch with me and I will share with you me expertise to streamline your product.
Steps for completing your project
After purchasing the project, send requirements so Denis can start the project.
Delivery time starts when Denis receives requirements from you.
Denis works on your project following the steps below.
Revisions may occur after the delivery date.
Prototype Development based on SOW
I build Voice agent prototype based on Scope of work that we define. I will provide updates to you in order to keep you aligned or come back to get some clarification.