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Large Language Model Development Company

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.

Large Language Models

Fullstack Developers

Software Products Delivered

AI Solutions

Total Years of Experience

Our Large Language Model Development Services

Large Language Model (LLM) Development

Large Language Model (LLM) Development

From model architecture design to development and hyperparameter tuning, we take care of the entire LLM development process to build and train sophisticated language models using advanced AI subfields like NLP and deep learning, enabling machines to comprehend and generate human-like language.

Consulting and Strategy Formulation

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, feasibility studies and infrastructure evaluations to formulate the best strategy for their project matching their needs.

Custom Solution Development

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-powered App Development

LLM Model-powered App Development

From defining the purpose of the app and selecting an appropriate machine learning model to training or fine-tuning the selected model and finally integrating it into the app, we cover all aspects of your app’s development to make sure it meets your requirements and expectations.

LLM Model Integration

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 tasks and data.

Support and Maintenance

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

Natural Language Processing

Natural Language Processing (NLP)

Our developers use NLP tools, frameworks and libraries like NLTK, spaCy, and TensorFlow to build custom NLP models equipped with NLU and NLG capabilities to analyze, interpret and generate human language.

Machine Learning

Machine Learning

With proficiency in scikit-learn, Keras and PyTorch, among other ML development kits, our developers deploy advanced ML-based solutions trained using prominent learning algorithms, such as supervised, unsupervised and reinforcement.



We gather data, fine-tune model parameters, customize model architecture, and undertake other vital steps necessary for optimizing pre-trained LLM models, like OpenAI models, BERT, LaMDA, or BLOOM, for specific language-related tasks and domains.

In-context Learning

In-context Learning

We use developer resources such as PyText, FastText, and Flair to train and update language models with new data, continuously allowing the model to adapt to new contexts, domains, and users, improving their performance over time.

Few-shot Learning

Few-shot Learning

Our developers leverage Meta-Transfer Learning, Meta-Learning Toolkit, and Reptile to build custom LLM-based solutions that can perform proficiently on new tasks or domains with minimal training data.

Software Engineering

Sentiment Analysis

We utilize developer resources like VADER and NLTK to preprocess and analyze text data and apply machine learning techniques such as Naive Bayes to build LLM-based systems that can accurately classify the sentiment of a given text input.

AI Models We Have Expertise in



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



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.



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



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.



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



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.

Stable Diffusion

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.


Midjourney is an AI-powered image generator that creates images in response to textual prompts. The images produced by Midjourney feature a distinct artistic flair.


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.



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.

Our Large Language Model Development Stack

AI Frameworks


Cloud Platforms

Large Language ModelLarge Language Modelazure

Integration and Deployment Tools


Programming Languages





Supervised/Unsupervised Learning


Metric Learning

Fewshot Learning

Ensemble Learning

Online Learning

Neural Networks



Representation Learning

Manifold Learning

Variational Autoencoders

Bayesian Network

Autoregressive Networks

Long Short-term Memory (LSTM)

Our Artificial Intelligence Portfolio

The AI-Powered Story Creation Platform
MakeMyTale is a cutting-edge story creation and sharing platform that leverages advanced AI technology to deliver a truly personalized experience. Its user-friendly interface empowers users to shape the theme and characters of their story with ease. The platform’s AI-powered audio and video creation capabilities bring stories to life by generating captivating audio and visual versions. Additionally, the option for co-authoring enables seamless sharing with a global audience.
Automated Attendance via Face Recognition
Vrapy is a revolutionary platform that uses facial recognition technology to automate attendance tracking. The platform offers a range of features including 100% automation, integration with existing cameras, mobile device detection, and real-time attendance alerts. Vrapy also provides insights into attentiveness levels and detects theft and violent behavior. With its heatmap generation feature, Vrapy provides valuable insights into space utilization, making it a comprehensive solution for attendance tracking.
AI SEO Optimizer
ReCrisp is an AI-powered keyword optimization tool that helps businesses boost their search engine rankings and drive organic traffic to their website. It uses the latest advancements in AI to provide highly accurate optimization suggestions for easy optimization without technical expertise. With continuous optimization, ReCrisp keeps your website up-to-date with search engine algorithms while saving you time and resources with its efficient optimization process. ReCrisp, with its highly user-friendly interface, helps you optimize your website for maximum visibility and improved performance.
Blockchain Development in Shipment Industry
Hi Arya!
World’s First Robotic Tea Maker
Arya is the First Chai making robot having the capabilities of AI. It can detect a user’s face using computer vision and reply back with an exact recipe name by predicting the user’s behavior using Machine Learning(ML). It uses Speech recognition and NLP to interact with the user to take the next order.

Big Brands Trust Us

LeewayHertz Clients

Our Engagement Models

Digital Transformation Services LeewayHertz

Dedicated Development Team

Our blockchain developers are hands-on the cognitive technologies to deliver high-quality services and solutions to clients.

Dedicated software development team LeewayHertz

Team Extension

Our team extension model is intended to help clients who want to extend their team with the right expertise required for their project.

Dedicated software development team LeewayHertz

Project-based Model

Our project-based model and software development specialists are there for customer collaboration and specific client project engagement.

Get Started Today

1. Contact Us

Fill out the contact form protected by NDA, book a calendar and schedule a Zoom Meeting with our experts.

2. Get a Consultation

Get on a call with our team to know the feasibility of your project idea.

3. Get a Cost Estimate

Based on the project requirements, we share a project proposal with budget and timeline estimates.

4. Project Kickoff

Once the project is signed, we bring together a team from a range of disciplines to kick start your project.

Start a conversation by filling the form

Once you let us know your requirement, our technical expert will schedule a call and discuss your idea in detail post sign of an NDA.

All information will be kept confidential.


What are Large Language Models?

Large language Models (LLMs) are AI models that can understand and generate human language with high accuracy and fluency. They are trained on massive amounts of text data and can be fine-tuned for tasks such as language translation, text summarization, and sentiment analysis.

As a Large Language Model development company, what services do you offer?

We offer a range of services, including LLM-based consulting and strategy formulation, custom solutions development, LLM model-powered app development, LLM model integration, support and maintenance services, and more. Our team of experts has the experience and expertise to help you harness the power of large language models for your business or research needs.

What industries do you cover?

We have created solutions for various industries, including healthcare, finance, e-commerce, education, and more. Our custom solutions are tailored to meet the specific needs of our clients and are designed to improve customer engagement, streamline business processes, and advance research in natural language processing.

What types of Large Language Models do you work with?

We have expertise working with diverse Large Language Models, including GPT-3, BERT, RoBERTa and T5. Our team of experts can help you select the best model for your specific needs and fine-tune it to achieve the highest levels of accuracy and fluency. After fine-tuning, we develop a custom solution that meets your business needs, merge it with the fine-tuned model and integrate it into your enterprise setting.

How do you ensure the quality of your models and solutions?

We follow an end-to-end development process that includes testing, validation, and ongoing support and maintenance. Our team of experts is dedicated to delivering high-quality, reliable solutions that meet the needs of our clients and exceed their expectations.

How do I get started?

To get started, simply contact us and tell us about your project or business needs. We will work with you to understand your requirements and the project scope to develop a customized solution that meets your needs.