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Large Language Model Development Company

At LeewayHertz, we offer a comprehensive suite of LLM development services tailored to meet your industry-specific needs. Our expertise encompasses both the creation of LLMs from scratch and the fine-tuning of pre-trained models to align seamlessly with your domain requirements. Whether starting from the ground up or optimizing existing models, our AI experts ensure a customized solution that enhances accuracy, efficiency, and productivity, ultimately improving your workflows and driving operational excellence.

Large Language Model Development Company
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Our Large Language Model Development Services

Consulting and Strategy Building

Consulting and Strategy Building

Our LLM development approach begins with a comprehensive understanding of your unique needs, industry requirements, and specific use cases. Leveraging our deep expertise in NLP and ML, we collaborate closely with you to define a tailored strategy for developing a private LLM that aligns seamlessly with your business objectives.

Large Language Model Development

Large Language Model (LLM) Development

We build LLMs from scratch to ensure enterprises gain a competitive edge through improved insights and optimized workflows. We start with an initial consultation, followed by precise data preparation. The model is then trained with your data, ensuring seamless alignment with your specific business needs.

Enterprise Integration

LLM Fine-tuning

We fine-tune large language models like GPT, Llama, or PaLM, tailoring them for diverse business-specific use cases across industries like manufacturing, legal and finance. Our fine-tuned LLMs deliver unparalleled performance, delivering precise and contextually relevant outputs for enhanced decision-making.

Enterprise Integration

LLM-powered Solution Development

We build robust AI solutions that leverage the power of Large Language Models like GPT to transform the way you operate, communicate, and innovate. Our range of solutions spans chatbots, virtual assistants, sentiment analysis tools, and speech recognition systems tailored to clients’ business use cases.

LLM Model Integration

LLM Model Integration

Our developers excel in seamlessly integrating large language models into diverse enterprise systems, from customer service platforms to content management systems. Acknowledging the risks associated with downtime, we prioritize a well-planned integration process, causing no disruptions to your operations.

Support and Maintenance

Support and Maintenance

We offer support and maintenance services to ensure your LLMs and LLM-based solutions smoothly function over time. From continuously monitoring model functionality, adapting models to evolving data/use cases, implementing bug fixes, and ensuring timely software updates— We take care of everything.

Unlock Strategic Growth for Your Business With Our AI Know-how

Natural Language Processing

Natural Language Processing (NLP)

Leveraging NLP tools and frameworks like NLTK, spaCy, and TensorFlow, our developers develop tailor-made NLP models with advanced NLU and NLG capabilities. These models effectively analyze, interpret, and generate human language to meet diverse application needs.

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Machine Learning

Leveraging our expertise in ML development kits like scikit-learn, Keras, and PyTorch, we adeptly build ML-powered solutions. These solutions integrated with ML models trained through advanced techniques, including supervised, unsupervised, and reinforcement learning, ensure efficient and effective outcomes.

Transfer Learning

Transfer Learning

We create custom LLMs for businesses, utilizing advanced transfer learning techniques. The approach begins with fine-tuning a pre-trained LLM, like GPT, Llama, PaLM, LaMDA, and BLOOM, to develop a custom model tailored to your domain-specific language-related tasks.

In-context Learning

In-context Learning

We employ developer tools like PyText, FastText, and Flair to train and regularly update language models with fresh data, ensuring continuous adaptation to new contexts, domains, and users. This ongoing refinement enhances the models’ performance over time.

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Few-shot Learning

We use diverse tools and techniques, including Meta-Transfer Learning, Meta-Learning Toolkit, and Reptile, to quickly adapt LLM models to new tasks with minimal data. This approach enables models to generalize effectively from a few examples, proving invaluable in real-world applications with limited or costly labeled data.

Sentiment Analysis

Sentiment Analysis

We leverage tools like VADER and NLTK to preprocess and analyze text data, preparing it for LLM training. Subsequently, we apply machine learning techniques such as Naive Bayes to construct robust AI systems tailored for sentiment analysis grounded in the trained LLM.

AI Models We Have Expertise In

Our Large Language Model Development Stack

AI Frameworks


Cloud Platforms


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

Machinery Trouble shooting using AI
AI-powered App

LLM-powered Application for Safer Machinery Troubleshooting

LeewayHertz collaborated with a top-tier Fortune 500 manufacturing company to develop an innovative LLM-powered machinery troubleshooting application. This innovative solution streamlines machinery maintenance, elevates safety protocol adherence and mitigates operational risks of the firm. By seamlessly integrating static machinery data and dynamic safety policies, the application provides quick access to relevant information for troubleshooting issues while also enhancing safety with clear and detailed instructions on equipment handling.

Generative AI Application

Generative AI Application

LLM-powered App for Compliance and Security Access

LeewayHertz has partnered with Scrut to engineer an LLM-powered app designed to streamline access to compliance benchmarks, frameworks, and audit-relevant data for Scrut's clientele. Drawing on Scrut's proprietary data, our team utilized advanced embedding and prompt engineering techniques to seamlessly incorporate an LLM, yielding rapid query responses and upgraded user experiences. This initiative has equipped Scrut's clients with a robust tool, fostering informed decision-making and providing clear insight into industry benchmarks as well as Scrut’s risk monitoring and mitigation strategies and services.
Generative AI Application
Geospatial Data Analysis

Data Analysis

Geospatial Data Analysis

A US-based geospatial intelligence and analytics firm sought LeewayHertz’s expertise to tackle a complex dataset with limited identifiers, aiming to derive valuable insights, identify patterns, spot unusual movements, and ensure data security. Our solution involved deploying a sophisticated data analysis pipeline, encompassing timestamp conversion, geocoding for contextual enrichment, clustering for pattern recognition, correlation analysis, and anomaly detection. Beyond unveiling intricate location-based patterns, our approach prioritized robust data security, resulting in the delivery of actionable intelligence that precisely met our client's objectives.
GenAI-based Clinical Decision Support System

Generative AI Solution

GenAI-based Clinical Decision Support System

A GenAI-based clinical decision support system tailored for an esteemed healthcare organization that analyzes diverse patient data using advanced algorithms and NLP to provide healthcare professionals with swift and accurate disease diagnoses. The platform’s user-friendly interface optimizes the diagnostic workflow, offering evidence-driven insights and comprehensive reports that include discussions, testing guidance, therapy recommendations, specialist referrals, and patient education. This solution ultimately elevates patient care through the seamless integration of generative AI, fostering efficiency, precision, and innovation in healthcare delivery.
GenAI-based Clinical Decision Support System

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Our Engagement Models

Digital Transformation Services LeewayHertz

Dedicated Development Team

Our developers leverage cutting-edge cognitive technologies to deliver high-quality services and tailored solutions to our clients.

Dedicated software development team LeewayHertz

Team Extension

Our team extension model is designed to assist clients seeking to expand their teams with the precise expertise needed for their projects.

Dedicated software development team LeewayHertz

Project-based Model

Our project-oriented approach, supported by our team of software development specialists, is dedicated to fostering client collaboration and achieving specific project objectives.

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 is Large Language Model (LLM) development, and how can it benefit my business?

Large Language Model development involves creating advanced models capable of understanding and generating human-like text. It benefits businesses by enhancing natural language processing capabilities for solutions, such as chatbots, content generation apps, and sentiment analysis tools.

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, fine-tuning of LLMs, 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?

Our LLMs and LLM-powered solutions cater to diverse industries, including manufacturing, healthcare, finance, private equity, e-commerce, legal, and more. These models can be customized 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 LLMs do you work with?

We have expertise working with diverse LLMs, including GPT-3, BERT, Llama, PaLM, Vicuna, 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. As an LLM development company, our team of experts is dedicated to delivering high-quality, reliable solutions that don’t just meet the needs of our clients but exceed them.

How does LeewayHertz ensure the LLMs they build perform optimally over time?

As an LLM development company, we provide ongoing support, including updates and maintenance, to ensure your large language models remain optimized and adapted to evolving requirements and advancements in the field.

How do I get started?

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

What support and maintenance services does LeewayHertz provide for LLMs?

We provide comprehensive support and maintenance services for Large Language Models (LLMs) to ensure smooth, ongoing functionality and scaled performance. These services include continuous monitoring of model functionality, adaptations to evolving data or use cases, implementing necessary bug fixes and providing timely software updates. Our support services are designed to minimize disruptions and maintain peak performance, maximizing the value derived from LLM technologies​.