ChatGPT Application Development Company
Our ChatGPT Development Services
We offer a full range of ChatGPT services, from coming up with ideas and designing to building and launching smart AI solutions. Using the latest OpenAI tools, we help you create AI apps that perfectly fit your needs.
Custom ChatGPT App Development — Web, Mobile, SaaS
We create smart applications with ChatGPT for your business — for web, mobile, and SaaS. Our development process includes requirements analysis, UX/UI design, reliable backend architecture development, and thorough testing. As a result, you get scalable solutions designed for easy integration into your digital infrastructure.
OpenAI GPT Model Integration
We integrate OpenAI models (GPT-4, GPT-3.5) into your applications and systems. This may imply customizing models (fine-tuning) for intelligent dialogue processing, automatic content creation, summarization, data extraction, customer support automation, and much more. We ensure proper, prompt tuning, context management, and adjustment to your industry-specific needs.
NLP-Powered AI Chatbot Development
We develop intelligent chatbots powered by natural language processing (NLP) and conversational AI technologies. Our custom chatbots can understand complex user queries, conduct multi-turn dialogues, and provide relevant responses in real time. We also implement multi-language support, sentiment analysis, and integration with popular messengers (Slack, MS Teams, WhatsApp, etc.).
Voice Assistant Integration (with Whisper or Third-Party API)
We implement voice assistants using Whisper model-based technology or third-party APIs to improve user interaction and deliver flawless voice-based experiences. These solutions work great for mobile apps, smart devices, or systems focused on accessibility. Our team takes care of everything, from processing voice input and turning it into text to generating live responses and handling context.
Open-Source AI Models Customization (LLaMA, Qwen, DeepSeek, Mistral, etc.)
We customize and fine-tune open-source models like LLaMA, Qwen, DeepSeek, Mistral, and others to deliver flexible AI solutions optimized for your specific use cases. This includes dataset preparation, transfer learning, fine-tuning, performance optimization, and deployment.
ChatGPT API Integration into Existing Systems
We help with ChatGPT integration into your existing apps, CRM, or enterprise systems to automate customer interactions, personalize user experience, generate emails, improve knowledge base search (dynamic RAG approach), and much more. Our solutions ensure secure data handling, low latency, and scalable architecture.
Our ChatGPT Application Development Process
We follow a well-structured process to build ChatGPT-powered applications, ensuring high quality at every stage. Our goal is to deliver a solution that perfectly aligns with your business objectives and meets user expectations.
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2. Model Selection and Fine-Tuning
Based on your needs, we select the most suitable ChatGPT model or an open-source alternative. If needed, we fine-tune the model on your data and tailor it to the specific interaction scenarios relevant to your use case. If it is an AI-agentic application several LLM can be prepared, tailored for specific part of the workflow.
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3. Development and Testing
Our ChatGPT developers build functional prototypes and test them across various scenarios. We evaluate model behavior, response accuracy, performance, and integration quality to ensure a reliable and high-precision solution.
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4. Deployment and Integration
We deploy the application to your target environment — whether cloud, web, or mobile — and integrate ChatGPT with your other systems: CRMs, internal tools, databases, and APIs.
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5. Support and Continuous Improvement
After launch, we continue working with you — monitoring AI performance, updating the model, and adding new features or conversation flows. You get not just a product, but an evolving AI solution that adapts to your changing business needs.
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1. Requirements Analysis
We begin with an in-depth analysis, gathering information about your goals, target audience, and business specifics. Together, we define key features, choose the right architecture, and create a detailed project plan.
Industries We Build ChatGPT Solutions for
Our ChatGPT application development services are suitable for a wide range of industries. We adapt generative AI capabilities to industry specifics, helping automate processes, improve customer service, and increase competitiveness.
ChatGPT Development Technology Stack
Discover our complete technology stack, designed for developing reliable ChatGPT applications and integrating them with your business systems.
Languages
- Python
- TypeScript/JavaScript
- Node.js
- Go
Frameworks
- LangChain
- LangGraph
- FastAPI
- Express
Databases
- PostgreSQL
- MongoDB
- Redis
Models
- OpenAI (GPT-4+, GPT-5, gpt-oss)
- Gemini
- LLaMA
- Claude
- Qwen
- DeepSeek
- Kimi
Platforms
- OpenAI
- Azure OpenAI
- AWS Bedrock
- Runpod
- Fireworks
NLP Tools
- spaCy
- NLTK
- HuggingFace Transformers
- Pandas
- NumPy
- Tensorflow
- PyTorch
Voice/NLU
- Whisper
- Google Cloud Speech
- AssemblyAI
- ElevenLabs
DevOps
- Docker
- Kubernetes
- GitHub Actions
- MLflow
Why Choose SCAND as Your ChatGPT Development Company
Partnering with SCAND gives you access to the expertise, technology stack, and experience needed to build reliable and high-performing ChatGPT-based solutions. We approach every project individually to ensure results that align with your business goals and quality expectations.
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Quality and Security Assurance
We follow strict quality and security protocols at every stage of ChatGPT application development. SCAND is ISO/IEC 27001 and ISO 9001 certified, which confirms our commitment to high standards in information security and quality management across all development processes.
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25 Years of Software Development Experience
With 25 years of delivering successful software projects, we bring a solid foundation of technical expertise to every AI solution. Today, we leverage this experience to integrate ChatGPT and other language models into real-world products tailored to specific business needs.
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Solutions Tailored to Your Business
Every application we make is built from the ground up — with your industry, user scenarios, and system integrations in mind. Our ChatGPT development services help businesses use ChatGPT to automate processes, boost engagement, and improve customer service.
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Strong AI Development Team
Your project will be handled by a dedicated team of experienced developers, architects, UX specialists, and QA engineers. We live and breathe complex technologies – and we know how to create solutions that actually work.
Case Studies
We’ve already built and delivered a number of AI-powered solutions that show our ability to create smart, effective systems.
- LLM
- Python
- H100-powered GPU
- React Native
- Mobile App Development
- AI
- LLM
- OpenAI (ChatGPT 3.5/4)
- Python
Our Engagement Models
At SCAND, we offer flexible partnership models so you can choose the one that best fits your project needs.
Fixed-Price
If you have a well-defined scope and technical requirements, this model is the perfect fit. We agree on the workload, timeline, and budget, and then take full responsibility for the development process. It’s ideal for launching ChatGPT-based prototypes, MVPs, or standalone features.
For large-scale or long-term projects, we offer dedicated teams that work exclusively on your product. Our developers fully integrate into your workflows, use your tools, and stay focused on your goals. You manage the team directly, and we ensure technical reliability and deep expertise in ChatGPT software development.
Time & Materials
If your project evolves step by step, this model is the best choice. You pay only for the actual hours and work delivered. This approach is ideal when hiring a ChatGPT developer without locking into a fixed scope from the start.
Work with a ChatGPT developer from SCAND to create powerful, scalable AI applications.
Trusted Software Development Company
Being a customer-oriented software development firm we implement best-in-class practices for our clients to succeed. For 20 years' history we have managed to compile an impressive list of global customers: NASA, IBM, Cisco, FedEx, Bank of America, Dresdner Bank, Reuters, Yahoo!, Siemens, Merrill Lynch, and many other Fortune 500 companies. Our dedicated development teams are here to ensure your success and provide you with the support on every stage of the software development process.
Latest reviews from our clients
Sr. Account Director Mid-Market
Coupa Deutschland GmbH
It was a great experience working with Scand on e-Procurement projects during my time at OpusCapita. The team was professional and competent. Keep up the great work!
Managing Director
prodexa GmbH
The Scand team has been an incredibly reliable and skilled development partner for jCatalog for many years, consistently delivering high-quality services with a proactive approach.
Chief Technology Officer
Wiztech Group
Great work on our products — web applications in the gaming domain. The Scand software developers worked highly professionally and made valuable contributions to the successful implementation of every project they were involved in.
Sales & Marketing Manager, Smartstaff AS
Throughout our long-standing collaboration, the team has consistently delivered high-quality service. Over time, we’ve developed a strong and genuinely friendly working relationship, which has positively influenced the outcomes of our joint efforts.
Product Manager
jCatalog Software AG (or OpusCapita GmbH)
Over the years of working together, the Scand team has always been a reliable pillar of support for me. Along the way, we’ve built not only a strong professional relationship but also meaningful personal connections. It has truly been a pleasure collaborating with you.
Ready to build your own ChatGPT-powered app?
SCAND developers will help bring any of your ideas to life — contact us and start working on your project today!
Frequently Asked Questions (FAQs)
