You will get a Custom GPT , that will put you ahead of 99% of your competitors.
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Project details
I will help you discover how you can use custom GPT to enhance your project's value, focusing specifically on creating prompts for different kinds of businesses. My expertise spans a wide range of topics including Machine Learning, Data Science, Data Analytics, Statistics, Programming, and more. Additionally, I can provide insights into writing articles, creating YouTube scripts, and other related areas. Since ChatGPT is an incredibly powerful tool in the right hands, and I have used it daily since its first release, my task now will be relevant to various business applications. I write weekly and daily newsletters about AI tools.
Furthermore, I have authored an e-book on learning Machine Learning with ChatGPT and even developed my own API, PhoenixInk, to automate article creation
The topic will become irrelevant since ChatGPT is a very powerful tool in the right hands, and those hands are mine now.
Furthermore, I have authored an e-book on learning Machine Learning with ChatGPT and even developed my own API, PhoenixInk, to automate article creation
The topic will become irrelevant since ChatGPT is a very powerful tool in the right hands, and those hands are mine now.
AI Algorithms
Large Language ModelAI Applications
Natural Language GenerationAI Models
ChatGPT, GPT-3, GPT-4What's included
| Service Tiers |
Starter
$250
|
Standard
$500
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 3 days | 3 days | 4 days |
Number of Revisions | 1 | 3 | 5 |
AI Model Integration | - | - | - |
Batch Normalization | - | - | - |
Database Integration | - | - | - |
Detailed Code Comments | - | - | - |
Image Upscaling | - | - | - |
MLOps | - | - | - |
Model Deployment | - | - | - |
Model Documentation | - | - | - |
Model Monitoring | - | - | - |
Model Testing & Optimization | - | - | - |
Model Tuning | - | - | - |
Natural Language Processing | - | - | - |
NLP Tokenization | - | - | - |
Pre-Training | - | - | - |
Prompt Engineering | |||
Setup File | - | - | - |
Source Code | - | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $250Frequently asked questions
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Nathan R.
Jul 21, 2026
Data science writer proficient in python and SQL to help write content
Gencay is extremely knowledgable in his technical skills. He's a great communicator and is very detailed oriented. He has helped our business quite a bit by building valuable AI tools for us. Would hire again!
SJ
Sam J.
Mar 17, 2026
Automation funnel for SEO
Mehmet had clear communciation and helped us every step of the way. Lovely person to work with and very knowledgeable. Will continue to work with and would recommend.
FA
Franco A.
Jul 2, 2024
Evaluating Custom GPT Project: Step 1
First time worked with Mehmet. He goes far and beyond to help you.
100% recommended.
100% recommended.
CN
Christopher N.
Jun 21, 2024
Custom GPT to interview, extract, and organize Expert Knowledge
AZ
Adam Z.
Jun 19, 2024
Custom GPT
Mehmet was efficient and delivered the work with accuracy. Very happy!
About Mehmet Gencay
Claude Expert | AI Agent Developer | AI Integration Expert | OpenClaw
100%
Job Success
Mugla, Turkey - 11:21 am local time
I build production AI systems that ship and stay live.
Over the past year, I transformed the operations of a 500K-user data science platform with AI agent products (using Google, OpenAI, and Claude).
I rebuilt the content production engine of a UK marketing consultancy with AI (Claude Code, Gemini, and web scrapers).
I shipped AI agent products for 16 European enterprise clients through a West European AI consultancy (OpenAI, Mistral, Gemini, and Microsoft Copilot).
𝐑𝐞𝐜𝐞𝐧𝐭 𝐰𝐢𝐧𝐬:
▣ 𝟓𝟎𝟎𝐊-𝐮𝐬𝐞𝐫 𝐝𝐚𝐭𝐚 𝐬𝐜𝐢𝐞𝐧𝐜𝐞 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦
- Transformed their content engine by replacing manual workflows with 18+ AI agent products, scaling content output 30x.
- My stack: Claude Code, Skills, ChatGPT
- Trained their internal team to ship AI prototypes independently via Claude Code.
▣ 𝐔𝐊 𝐦𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐜𝐲
- Transformed their content production with 20+ AI agent products across 6 marketing channels, with brand-voice enforcement so output never sounds AI-generated.
- Replaced manual reporting with a live Meta Ads pipeline auto-shipping daily action plans to Drive at 9 AM.
- Surfaced the highest-converting patterns from their historical performance data.
▣ 𝐖𝐞𝐬𝐭 𝐄𝐮𝐫𝐨𝐩𝐞𝐚𝐧 𝐀𝐈 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐜𝐲
- Shipped 20+ AI agent products across 16 enterprise clients in marketing, sales, finance, hospitality, and construction.
- Built webhook pipelines that trigger on event completion and write structured outputs to client systems, replacing chat-only deliverables with end-to-end automation.
- Survived three runtime migrations over 18 months with zero downtime.
▣ 𝐌𝐲 𝐨𝐰𝐧 𝐀𝐈 𝐞𝐝𝐮𝐜𝐚𝐭𝐢𝐨𝐧 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦
Built a 16K-subscriber Substack teaching AI agents and automation, scaled it to $50K ARR.
4x'd revenue in the last two months.
Write the builds, ship the skill files, and teach the same production patterns I run for clients.
▣ 𝐌𝐲 𝐨𝐰𝐧 𝐚𝐠𝐞𝐧𝐭 𝐢𝐧𝐟𝐫𝐚
Run Hermes, my custom agent framework, on a local Mac Mini, plus OpenClaw on AWS, always-on agents that run without me babysitting them.
Built an off-grid fallback on a local Gemma model, so the stack keeps running with no internet and no external API.
These are the same patterns I ship to clients, tested on my own infra first.
𝐒𝐭𝐚𝐜𝐤: Claude Code, Claude Skills, MCP, Vertex AI (Gemini 3 Pro),
OpenAI Agents SDK (GPT-5.2), n8n, Vercel, React, Python, Custom GPTs.
𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤?
Async-first. Weekly sync if useful, no daily standups.
I document everything in Notion / CLAUDE.md so the system survives without me.
I'm selective about projects,
I take the ones where production AI can change throughput, not just add features.
If you're building an AI system that needs to actually run in production, let's talk.
Steps for completing your project
After purchasing the project, send requirements so Mehmet Gencay can start the project.
Delivery time starts when Mehmet Gencay receives requirements from you.
Mehmet Gencay works on your project following the steps below.
Revisions may occur after the delivery date.
Assess Client Needs and Project Scope
In this step, I will thoroughly review the information provided by the client, including the answers to the provided questions, to fully grasp the project requirements.
Designing and implementing the chosen AI model or service.
Based on the client's needs and chosen package, I will design and develop the necessary AI prompt and offer the ChatGPT Plug-in, which will increase the efficiency of your work.