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LLM Development for Intelligent, AI-Powered Applications

Build AI applications powered by large language models and your own business data.

Code and Core develops custom LLM solutions for conversational AI, enterprise knowledge systems, AI applications, document intelligence, automation, and intelligent agents.

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Ready to Put a Custom LLM to Work in Your Business?

Tell us about your project, and we'll help you identify the best LLM solution for your business.

Business-Specific AI Responses

Powered by your data, not generic internet knowledge.

Instant Knowledge Retrieval

Find answers across documents, databases, and enterprise systems in seconds.

Built for Enterprise AI Success

Our custom LLM solutions transform your business knowledge into secure, intelligent AI that delivers accurate answers, automates workflows, and scales with your organization.

Start Your Project

Secure & Private by Design

Keep sensitive business data protected with enterprise-grade security and deployment options.

Built to Scale

From a single AI application to enterprise-wide LLM deployments.

Make LLMs Useful With Your Own Data

Your company's knowledge shouldn't have to live separately from your AI.

We build RAG systems that allow LLM applications to retrieve relevant information from:

PDFs

PDFs

Websites

Websites

Databases

Databases

Knowledge bases

Knowledge bases

Product catalogs

Product catalogs

Internal documentation

Internal documentation

SOPs

SOPs

Contracts

Contracts

Support tickets

Support tickets

Business systems

Business systems

End-to-End LLM Development

Generic LLMs aren't built for your business. Here's where they fall short.

LLM Application Development

Build production-ready applications powered by large language models.

RAG Development

Connect LLMs to private company knowledge and external data sources.

LLM Fine-Tuning

Customize model behavior for specific business requirements and use cases where appropriate.

LLM Integration

Integrate OpenAI, Anthropic, Google, Meta, and other models into your applications.

Prompt Engineering

Design structured prompts and system instructions for reliable model behavior.

LLM Evaluation

Measure accuracy, relevance, hallucination rates, latency, cost, and performance.

LLM Security

Design access controls, data protection, monitoring, and safeguards around AI applications.

What We Build

We build custom LLM solutions that understand your business, automate knowledge work, and integrate seamlessly with your existing systems.

Retrieval-Augmented Generation (RAG)

Retrieval-Augmented Generation (RAG)

Connect LLMs to your documents and data for accurate, real-time answers.

Custom & Fine-Tuned Models

Custom & Fine-Tuned Models

Train models on your business knowledge, terminology, and workflows.

Private LLM Deployments

Private LLM Deployments

Deploy securely on your cloud or infrastructure for complete data control.

Industry-Specific LLMs

Industry-Specific LLMs

Purpose-built models for healthcare, finance, legal, manufacturing, and more.

AI Search & Knowledge Assistants

AI Search & Knowledge Assistants

Enable natural language search across documents, databases, and internal systems.

LLM Integration Services

LLM Integration Services

Embed AI capabilities into your applications, platforms, and business tools.

Model Optimization

Model Optimization

Improve model accuracy, speed, reliability, and cost efficiency.

Prompt Engineering

Prompt Engineering

Design prompts and AI workflows that deliver consistent, high-quality outputs.

LLM Monitoring & Guardrails

LLM Monitoring & Guardrails

Monitor performance, validate responses, and keep AI safe and compliant.

Comparison

Which LLM Approach Does Your Business Need?

Traditional

Traditional Chatbot

Requirement
General AI capabilities
Use company knowledge
Specialized behavior
Execute business tasks
Multi-step automation
Complete AI product
Next-Gen AI

AI Chatbot

Recommended approach
LLM API
RAG
Fine-tuning
AI Agent
Agentic AI
LLM application development

Not Sure Which LLM Solution Is Right for You?

Every business has unique data and goals. Book a free consultation, and our LLM experts will help you identify the right solution for your use case.

Book a Free LLM Consultation

Our LLM Development Process

From strategy to deployment, we build secure, business-ready LLM solutions tailored to your data and goals.

Step1

Use-Case & Architecture Discovery

Define the business problem, requirements, use cases, and select the right AI model and architecture.

Step2

Data Preparation

Collect, clean, structure, and prepare the data required for the AI solution.

Step3

AI Development & Integration

Implement RAG, fine-tuning, APIs, and integrations with existing systems.

Step4

Application Development

Build the AI-powered application, interface, workflows, and business logic.

Step5

Evaluation & Deployment

Test accuracy, performance, security, and reliability before deploying to production.

Step6

Monitoring & Optimization

Monitor real-world performance and continuously improve the AI solution.

LLM Models We Work With

We use the best available tech, not just what's trendy. Every tool is chosen based on what fits your project best.

OpenAIOpenAI
Anthropic ClaudeAnthropic Claude
Google GeminiGoogle Gemini
Meta LlamaMeta Llama
Hugging Face modelsHugging Face models
Open-source LLMsOpen-source LLMs
Custom/self-hosted modelsCustom/self-hosted models
Transform Your Business Knowledge with AI

Ready to Build a Custom LLM Solution?

Whether you’re building a RAG application, deploying a private LLM, or integrating AI into your products, we’ll help you create a secure, scalable solution tailored to your business.

Let’s discuss your goals and build an LLM that delivers accurate, business-specific intelligence.

Start Your LLM Project

We speak your industry's language

We speak your industry's language We've built chatbots for a wide range of sectors. That means we understand your context, your compliance needs, and your data.

Medical knowledge, clinical documentation, decision support

Custom LLM solutions that understand medical terminology, automate clinical documentation, extract insights from patient records, and support healthcare professionals with informed decision-making.

See Solutions

Why Choose Our LLM Development Company?

We build secure, scalable LLM solutions tailored to your business, backed by expert engineering and long-term support.

Built Around Your Business

Every LLM is customized using your data, documents, and business knowledge—not generic models.

Your Data Stays Yours

Your data remains private, secure, and fully under your control with privacy-first development.

Built to Scale

From a single use case to enterprise-wide deployment, our LLM solutions grow with your business.

Why Choose Our LLM Development Company?

Dedicated LLM Experts

Work directly with AI engineers, solution architects, and project managers throughout your project.

Tested for Real-World Performance

Every LLM solution is validated for accuracy, security, and reliability before deployment.

Support Beyond Launch

We continuously monitor, optimize, and improve your LLM solution as your business evolves.

Ready to Build a Custom LLM Solution?

Whether you're building a RAG application, deploying a private LLM, or creating an AI-powered product, our experts will help you turn your ideas into secure, scalable solutions.

Start Your LLM Project

Frequently Asked Questions

What is LLM development?

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How much does LLM application development cost?

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What is RAG development?

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What is the difference between RAG and fine-tuning?

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Can you build an LLM application using our company data?

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Which LLM should my business use?

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Can you integrate OpenAI into our existing application?

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Can you build a private LLM solution?

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How do you reduce LLM hallucinations?

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How do you secure enterprise LLM applications?

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Looking for reliable white label services?

At Code and Core, your data is safe with top-tier encryption. For extra peace of mind, we're happy to sign an NDA to ensure full confidentiality

Hire Us
Let's Talk
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