Large Language Model Development Services

Expect Results. Not Excuses

With expertise in diverse ML and NLP subsets and their associated toolkits, our AI experts specialize in building custom large language models and LLM-based solutions that accurately comprehend, generate, and process human language.

In the era of big data
and advanced artificial

Language models have emerged as formidable tools capable of processing and generating human-like text. Large Language Models like ChatGPT are general-purpose bots capable of having conversations on many topics. However, LLMs can also be fine-tuned on domain-specific data making them more accurate and on-point on domain-specific enterprise questions.

Many industries and applications will require a fine-tuned LLMs.
Reasons include:

  • Better performance from a chatbot trained on specific data.
  • OpenAI models like chatgpt are a black box and companies may be hesitant to share their confidential data over an API
  • ChatGPT API costs may be prohibitive for large applications

With expertise in diverse ML and NLP subsets and their associated toolkits, our AI experts specialize in building custom large language models and LLM-based solutions that accurately comprehend, generate, and process human language.

How we can help

Build a Custom Domain specific LLM for your industry

Our generative AI company delivers custom models rooted In Al expertise & years of cross-domain expertise.


Retail &

Marketing &


Consulting services


Deploy and integrating Large Language Learning Models, Friction-Free

We deploy language models locally to keep your proprietary data secure.

Strong Security

We help you keep a tight rein on your data storage and security by using our custom solutions built on language models that can be deployed on-premise and on private clouds exclusively.

Custom Functionality

Our developers adjust foundational models to match your unique business and functional needs and improve the accuracy of outputs by training large language models on your custom dataset.

Our Large Language Model Development Services

LLM Development

Our engineers build custom LLM models on top of GPT, DALL.E2, and other foundation models and make them a native part of your tech ecosystem. Our NLP, machine learning, and data science experts help tailor the model to your specific business needs.User workflow developmentCustom solutions developmentDataset preparationLLM integration

Consulting and Strategy Formulation

With our deep domain knowledge and expertise, we enable clients to fully tap into the potential of LLMs and NLP solutions for their business-specific use cases. We also conduct interviews for their business-specific use cases. We also conduct interviews, feasibility studies and infrastructure evaluations to formulate the best strategy for their project matching their needs


We customize off-the-shelf LLM language models with your data to maximize the value of base models for your business. Our machine learning engineers fine-tune them to your unique business needs, improve accuracy rates, and make the model more efficient.Large language model fine-tuning API integration Data architecture modernizationLarge language model automation

Custom Solution Development

Using tools like TensorFlow, we develop custom LLM-powered solutions like GPT-3, BERT, and T5. Our range of solutions spans chatbots, virtual assistants, sentiment analysis tools, and speech recognition systems tailored to clients business use cases.

LLM Model Integration

Our developers have extensive experience integrating LLM models into existing systems and workflows, whether a customer service platform or a content management system. We optimize the model performance for particular use cases by fine-tuning them based on specific task and data.

Support and Maintenance

We offer support and maintenance services to ensure clients NLP-based solutions smooth functioning over time. From monitoring model functionality and optimizing models for changing data and use cases to troubleshooting, bug fixes, and software updates, we take care of everything.

Our Technical Expertise in
Large Language Model Development

Our Large Language Model Development Stack

AI Frameworks

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Cloud Platforms

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Integration and Deployment

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Programming Language

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  • Supervised/Unsupervised Learning
  • Clustering
  • Metric Learning
  • Fewshot Learning
  • Ensemble Learning
  • Online Learning.

Neural Networks

  • CNN
  • RNN
  • Representation Learning
  • ManifoId Learning
  • Variational Autoencoders
  • Bayesian Network
  • Autoregressive Networks
  • LSTM

AI Models We Have Expertise in


A set of OpenAI models that can solve complex problems with high accuracy, thanks to its advanced reasoning capabilities and broader general knowledge.


A set of OpenAI models capable of performing natural language processing tasks such as text generation, summarization, translation and question answering.

  • Davinci
  • Curie
  • Babbage
  • Ada


LLaMA (Large Language Model Meta AI) is a foundational large language model designed to generate text, have conversations, summarize written material, solve math theorems or predict protein structures.


A set of OpenAI models, including the highly capable and cost-effective Gpt-3.5-turbo, that improve on GPT-3 and can generate text or code.


Claude is a large language model (LLM) by Anthropic, trained as a virtual assistant that can be integrated with business workflows. Claude, accessible through both a chat interface and API in Anthropic’s developer console, can perform an extensive range of conversational and text-processing tasks.


DALL·E by OpenAI generates realistic images and artwork based on text prompts. It can produce images of a specified size, modify pre-existing images and generate variations of user-provided images.

Stable Diffusion

Stable Diffusion generates detailed images from text prompts and can also be used for tasks like inpainting, outpainting, and image-to-image translations guided by text.


Whisper is a general-purpose speech recognition OpenAI model that can perform language identification, speech translation and multilingual speech recognition.


Google’s Bard, powered by LaMDA, is a text-to-text generative AI chatbot designed to generate human-like responses to natural language prompts, making it capable of engaging in conversations with humans.


OpenAI’s Embeddings are numerical representations of linguistic units like words and phrases that capture the semantic meaning and relationships between them.


Moderation models are machine learning OpenAI models designed to assist in content moderation tasks, such as identifying and removing inappropriate or harmful content from online platforms.

The HST Advantage

We help clients navigate the complexity of Large Language Models and Generative Al.

Digital Engineering Leadership

Software is core to our business and Generative Al allows us to extend our unmatched software engineering leadership into new Generative Al engagements. We work with clients across industries to use the technology to turbocharge software development, employee and customer services, and workplace processes.

Al Requires Data, & We’re Data Experts

Our company’s beginnings are rooted in data systems. With decades of experience, we are the ideal partner for companies looking to utilize Generative AI through connections to a variety of enterprise data sets for scalable solutions that adhere to all security, privacy and governance requirements.

Deep Domain Knowledge

We work with premier brands across financial services. life sciences and software. Working with our clients, we apply our industry expertise develop Generative Al use cases to harness new data insights, create industry buyer personas, test new models, and provide employee and customer-facing digital agents.

IP, Accelerators & Investments

We’re ambitious about the efficiencies. outcomes and value that Generative Al can generate for clients. it’s reflected in our ongoing lP investments, our extensive staff training on partner platforms, and our suite of Generative Al accelerators to improve workforce productivity, streamline app modernization and accelerate software engineering.


Well-crafted software makes the world a better place

Emotionise Testimonial For HST Solutions | Custom Software Development

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Marie Toft CEO of Emotionise

  • AI/ML
  • NLP
  • Azure Functions

AI / ML Solution that increase sales and engagement

Emotionise | AI / ML Sales enablement

Emotionise ai is the only content creation and communication AI trained with emotion at its core.

AI / ML solution for streamlining medical device cybersecurity processes

NovaLeah partnered with HST Solutions to develop an AI / ML solution for streamlining medical device cybersecurity processes. The system uses Fuzzy string matching and pre-trained semantic similarity models to provide appropriate responses, reducing manual work and errors

JCDecaux Testimonial For HST Solutions | Custom Software Development

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Colin CostelloIT Manager at JCDecaux

  • ASP .NET
  • MVC
  • MS SQL 2014

An app to scale revenue with contactless payment automation

JCDecaux | Advertising Company

The purpose of the application was to run an advertising campaign on JcDecaux free-standing digital advertising…

CameraMatics Testimonial For HST Solutions | Custom Software Development

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Seamus GalvinResearch Manager at BSI Group

  • Angular
  • Java
  • J2EE
  • Jboss
  • Postgress
  • HTML5

Built a SaaS-based GDPR assessment platform for the UK national standards body

BSI Group | Business Solutions

HST developed a next gen multi-tenant SaaS platform called BSI PACE ( BSI PACE (Privacy…

Our LLM Software
Development &
Deployment Process

Our developers seamlessly weave
conversational Al Into your infrastructure.


HST Solutions is truly committed to the clients we serve.

Pricing based on your business needs

Fixed price

Pay as You Go

Dedicated Team


We are a trusted Digital engineering and Enterprise modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what s next and answer questions before they are asked.

What makes us stand apart

We Have Deep Technical & Industry Experience

Financial services



Media, publishing & entertainment


One Team, One Dream

At HST, there is no such thing as not my problem.

Build Trust with Every Interaction

We’re accountable to our clients and to each other. which means being open even when things aren’t going smoothly.

Improve Everything

The world of software and business moves fast so we re always learning and honing our skills.

Own It

We are a team of doers and we take responsibility for the success of everything we do.

Obsessed: Over Results

We’re obsessed with driving business value for our clients and we know that starts with gaining a deep understanding of the problems they’re facing

Excellent track record

100% project delivery

Have never gone over budget in any project

(150+) delivered

Contact Us

Tell us about your custom software project.

Let our team

Be your team

Unsure of how to get started? Talk to us. No matter where you are in the process, we can help you. Whether you need us to design and build a prototype, take your project from concept to maturity, or build off the work of another team, we can make your idea a reality. We also step in when it makes more sense to lean on our expertise than to have an in-house team get spread too thin.

Generally, we are able to respond to inquiries within 8 business hours.

Please fill in the form below and we will be in touch.