How to Build LLMs for Code? 

Nitika Sharma 08 Sep, 2023
6 min read


In an ever-evolving tech landscape, mastering large language models isn’t just a skill; it’s your ticket to the forefront of innovation. LLM models are like digital wizards, making coding dreams come true! By mastering them, you’ll write code at warp speed, create entire software masterpieces, and do code summarization effortlessly. Let’s explore how to build LLMs for code in the best possible way. 

What is LLM for Code?

A Large Language Model (LLM) for code is a specialized type of artificial intelligence algorithm that utilizes neural network techniques with an extensive number of parameters to understand and generate computer code. These models are trained on vast datasets and can generate code snippets or complete programs based on input instructions. LLMs have applications in various programming tasks, from autocompletion and code generation to assisting developers in writing code more efficiently. They are a significant advancement in the field of software development, making it easier and more efficient for programmers to work on complex projects and reduce coding errors.

The Future Of Generative AI For Coding

The future of Generative AI for coding holds immense promise and is poised to revolutionize software development. Generative AI, powered by advanced machine learning models, is making significant strides in automating various aspects of coding:

Code Generation

Generative AI can automatically produce code snippets, simplifying programming tasks and diminishing the necessity for manual coding. This technology analyzes context and requirements to generate functional code segments. It’s beneficial in accelerating development processes and reducing human error, enabling developers to focus on higher-level aspects of their projects.

Code Completion 

Generative AI assists developers by suggesting code completions as they write, significantly enhancing coding efficiency and accuracy. Offering context-aware suggestions reduces the likelihood of syntactical errors and speeds up coding tasks. Developers can select from these suggestions, making the coding process more efficient and streamlined.

Enhanced Productivity

Generative AI tools amplify productivity by expediting development. They automate repetitive coding tasks, allowing developers to allocate more time to strategic problem-solving and creative aspects of software development. This results in faster project completion and greater overall productivity.

Error Reduction

AI-driven code generation reduces errors by identifying and rectifying coding errors in real time. This leads to improved software quality and reliability. The AI can catch common mistakes, enhancing the robustness of the codebase and reducing the need for debugging.

Language and Framework Adaptation

Generative AI models possess the adaptability to work with various programming languages and frameworks. This adaptability makes them versatile and applicable in diverse development environments, enabling developers to leverage these tools across different technology stacks.

Innovation in AI-Driven Development

Generative AI fosters innovation in software development by enabling developers to explore new ideas and experiment with code more efficiently. It empowers developers to push the boundaries of what’s possible, creating novel solutions and applications.

Leading LLM Tools for Superior Code Development

LLM coding tools represent the cutting edge of AI in software development, offering a range of features and capabilities to assist developers in writing code more efficiently and accurately. Developers and organizations can choose the tool that best suits their needs and preferences, whether for general code generation or specialized coding tasks. Below is the list of best LLM for code tools: 


It is a Large Language Model (LLM) for coding developed by Meta. It’s designed to assist developers with coding tasks by understanding context and generating code snippets.LaLLMA comes in different sizes, ranging from smaller models suitable for mobile applications to larger models with specialized capabilities for more complex coding tasks. Developers can use LaLLMA for various purposes, including code completion, code summarization, and generating code in different programming languages.

StarCoder and StarCoderBase

Hugging Face developed StarCoder, an LLM specifically designed for code generation tasks. It’s built on the famous Transformers architecture. StarCoder is a versatile tool with auto-completion, code summarization, and code generation capabilities. StarCoderBase is an extended version with additional features. 


CodeT5+ is an open-source Large Language Model developed by Salesforce AI Research. It’s based on the T5 (Text-to-Text Transfer Transformer) architecture and fine-tuned for code generation tasks. CodeT5+ can be fine-tuned for specific coding tasks and domains, making it adaptable to various programming challenges.


StableCode is an LLM developed by Stability AI, designed to generate stable and reliable code. It focuses on producing code that meets industry standards and reduces errors. StableCode strongly emphasizes code quality and correctness, making it suitable for critical applications and industries. The company markets StableCode as a tool for professional developers who require high-quality code generation.

You’ve just scratched the surface of the incredible world of Large Language Models (LLMs) for code. But now, let’s take a thrilling step forward and discover how you can become the mastermind behind these powerful code-generating machines!

Building LLMs for Code with Analytics Vidhya’s Nano Course 

Unlock the power of Large Language Models (LLMs) tailored specifically for code generation with our free Nano GenAI Course. Dive into the world of cutting-edge AI technology and equip yourself with the skills to train LLMs for Code from scratch. This concise yet comprehensive course will guide you through the essential steps of creating your own code generation model.

Training Data Curation

Gain expertise in assembling a diverse and comprehensive dataset of code snippets. Learn how to collect, clean, and preprocess code data to ensure its quality and usability for training.

Data Preparation

Understand the crucial role of data preparation in LLM training. Discover techniques to standardize code formats, remove extraneous elements, and create consistent, high-quality training data.

Model Architecture

Explore the intricacies of LLM architecture selection. Learn to adapt established models like GPT-3 or BERT to code-related tasks, tailoring their parameters for optimal code understanding and generation.


Dive into the heart of LLM development by mastering the training process. Discover how to use powerful machine learning frameworks, adjust hyperparameters, and ensure your model learns effectively from the curated data.

Evaluation Frameworks

Measure your LLM’s performance with precision. Explore evaluation metrics specifically designed for code generation tasks, such as assessing code correctness, syntactic accuracy, and completion precision.

StarCoder Case Study

Gain insights from a real-world case study. Explore the creation of StarCoder, a 15B code generation model trained on over 80 programming languages. Understand the techniques and algorithms used in its development.

Best Practices

Learn industry best practices for training your own code generation models. Discover the optimal approaches to data selection, preprocessing, architecture customization, and fine-tuning.

How Can Our Nano Course Be Helpful To You?

Analytics Vidhya brings you a Nano Course on Building Large Language Models for Code- your gateway to mastering this cutting-edge technology.

  1. Specialized Knowledge: It offers specialized knowledge in building Large Language Models (LLMs) specifically for code, catering to the needs of developers and data scientists in programming and AI.
  2. Practical Applications: The course focuses on real-world applications, enabling learners to create AI-driven code generation models, thus enhancing productivity and software quality.
  3. Hands-On Learning: Analytics Vidhya emphasizes hands-on learning, ensuring participants gain practical experience creating LLMs for code. 
  4. Expert Guidance: Learners can benefit from industry experts and gain insights into the field.
  5. Career Advancement: Acquiring skills in LLMs for code can lead to career advancement opportunities in AI, machine learning, and software development.

Course Modules

Build LLMs for Code

Hands-on Training by Industry Experts

Best to Learn From The Source! 

This isn’t just any course; it’s a collaboration with industry experts who breathe, live, and innovate in the world of generative AI. Learning from these trailblazers ensures you gain insights and experiences straight from the source.

Our Instructor for this course is Loubna Ben Allal, a highly accomplished professional in the field. She is a machine learning engineer at Hugging Face and a StarCoder developer. She is an expert at LLM for code. 

Learning from industry experts is like getting a backstage pass into the world of LLMs. You’ll gain first-hand insights into these models’ challenges, successes, and real-world applications. Their experiences will provide a practical perspective beyond theory, making your learning journey more enriching and valuable.


By taking up our nano course on LLMs for code, you will stay ahead of the curve and position yourself at the forefront of this technological wave. More importantly, joining this course also means becoming part of the Analytics Vidhya community, where you can connect with peers, mentors, and experts in the field. And most importantly, this is a free course that anyone can avail! So what are you waiting for? Enroll now and make your learning journey both enriching and transformative.

Frequently Asked Question

Q1. How to train LLMs for code generation?

A. Training Large Language Models (LLMs) like GPT-3 for code generation involves fine-tuning on a dataset of code samples. You’d need a substantial code corpus, pre-processing code into tokens, defining tasks, and optimizing model hyperparameters for code-related tasks.

Q2. How do I create my own LLM model?

A. Creating your own LLM model involves substantial computational resources and expertise. You can start by selecting a model architecture (e.g., GPT-2), preparing a large dataset for pre-training, and fine-tuning the model on specific tasks or domains. This typically requires knowledge of deep learning frameworks like TensorFlow or PyTorch.

Q3. What LLM is best for coding?

A. The choice of LLM for coding depends on your specific requirements. GPT-3, GPT-2, and Transformer-based models are popular choices. GPT-3 offers impressive natural language understanding, while GPT-2 can be customized more readily. Evaluate based on your project’s needs.

Nitika Sharma 08 Sep, 2023

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