How to Develop Generative AI Models?

How to Develop Generative AI Models?

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Updated on Jun 28, 2023 11:57 IST

This article revolves around the topic How to build a generative AI solution and Best practices for building generative AI.


You’ve heard about how AI is revolutionizing industries and changing our world, and now you want in on the action. You’re ready to build your AI system from scratch. Where do you even begin? Don’t worry. We’ve got you covered. In this step-by-step guide, we’ll walk you through how to build a generative AI solution, even if you have no experience with artificial intelligence. By the end, you’ll learn how AI models can generate new examples similar to what it’s been trained on, like new images, text, music, you name it. The future is now, so let’s dive in and start building your first AI!

Table of Contents

What is Generative AI?

Generative AI is a branch of artificial intelligence focused on developing models that can generate new content. These models are often based on large language models and can understand and recreate patterns to produce original output such as images, text, music, or even entire simulations. The development of generative AI has paved the way for exciting applications in fields ranging from arts and entertainment to healthcare and finance. Generative AI is achieved through various techniques such as transformers, generative adversarial networks (GANs), and variational autoencoders. Transformers such as GPT-3, LaMDA, Wu-Dao and ChatGPT mimic cognitive attention and measure the importance of input data. It is trained to understand audio and images, learn classification tasks, and generate text and images from huge datasets.

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How to Build a Generative AI Solution? 


You must first gather and prepare your data to build your own generative AI system. This is the foundation that your model will be trained on, so the quality and quantity of your data are crucial.

Problem Statement: The problem is to generate realistic human faces that do not exist in reality. The goal is to create a generative AI solution that can generate high-quality and diverse human faces.

Data Collection and Preparation

  • Collect a large dataset of human faces, such as the CelebA or the FFHQ dataset, consisting of labelled images of human faces.
  • Preprocess the images by resizing them to a consistent resolution, normalizing pixel values, and ensuring the dataset’s overall quality and consistency.

Choosing an AI Architecture

There are a few options, but for generative models, your best bets are neural networks or evolutionary algorithms.

Neural networks, like recurrent neural networks (RNNs) or convolutional neural networks (CNNs), are popular. They’re modelled after the human brain and learn by detecting patterns in huge amounts of data. RNNs are good for sequence generation (text, speech, music), while CNNs shine for image generation. Both can achieve amazing results but require massive datasets and computing power.

On the other hand, evolutionary algorithms like genetic algorithms (GAs) take a more biological approach. They simulate evolution to generate new examples from random mutations of existing ones. GAs are simple, flexible, and don’t need as much data or computing power as neural nets. However, they may take longer to achieve good results and are harder to optimize.

Whether you choose a neural network, evolutionary algorithm, or a combination, start simple. Build a basic prototype, see how it performs, and then make improvements. Add more data, tweak the architecture, and adjust hyperparameters. Compare multiple approaches. With experimentation, you’ll develop an AI that generates examples matching your goal.

Remember, there’s no single “best” solution. The right architecture depends on your skills, resources, and needs. 

Training the Model

Configuring the Model

Now you’re ready to build your model. Choose a framework like Keras, PyTorch or TensorFlow. Define the 

  • Model layers
  • Loss functions
  • Optimizers

 Use an embedding layer, LSTM or GRU cells, and a dense output layer for text. For images, convolutional layers are key. Set hyperparameters like the number of epochs, batch size, learning rate, etc.

Also check: The Ultimate Showdown: RNN vs LSTM vs GRU – Which is the Best?

Training and Evaluating

Train your model on batches of data for several epochs. Track the loss function to ensure it’s decreasing. Once trained, evaluate how well it’s generating new samples. For text, look at word choice, grammar, and coherence. For images, consider realism, sharpness, and accuracy. Make adjustments to the model or data and retrain as needed.

Read: ROC-AUC vs Accuracy: Which Metric Is More Important?

Also read: Difference between Accuracy and Precision.

Evaluating and Optimizing the Model

Now that you’ve built and trained your model, it’s time to see how well it performs. Evaluate your model on a test dataset that it hasn’t seen before. Calculate accuracy, F1 score, precision and recall to determine how well it can generate new examples that match the training data.

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Improving Your Model

If the performance isn’t quite where you want it to be, don’t worry – you can optimize and improve your model. Here are some techniques to try:

  • Adjust hyperparameters like the learning rate, number of epochs, batch size, etc. Sometimes small tweaks can lead to big improvements. This is called hyperparameter tuning.
  • Add more data. The more high-quality data you have, the better your model can learn.
  • Use regularization techniques like dropout to prevent overfitting.
  • Try different model architectures. Switch from a CNN to RNN or vice versa. Add more layers or nodes.
  • Ensemble multiple models together. Train several models separately and average their predictions.
  • Use data augmentation to create more training examples.

Explore: Ridge Regression vs Lasso Regression

Also read: Overfitting and Underfitting with a real-life example

Testing in the Real World

The ultimate test of your model is seeing how it performs in the real world. Release your model in a beta test and get feedback from real users. Look for:

  • Examples where the model’s generation is inaccurate or off. Use these to retrain your model.
  • Places the model’s output could be more coherent or compelling. Retrain with a focus on improving quality.
  • Ways to make the model’s generation more diverse. Add constraints or rebalance your training data.

With evaluation, optimization, and real-world testing, you’ll have a robust generative AI model ready for production in no time. Keep at it – building AI systems is an iterative process! With more data and experience, your models will only get smarter and stronger.

Deploying the Model


When satisfied with the results, deploy your model so others can access its predictions or generations. For web services, use Flask or Django. Mobile apps can use TensorFlow Lite. Embedded systems work with TensorFlow for Microcontrollers. However you deploy, monitor how the model functions in the real world and continue retraining when its performance drops.

With time and practice, you’ll be building high-quality generative AI systems from scratch in no time! Let me know if you have any other questions.

Choosing a Model Server

Now that you’ve trained your model, it’s time to deploy it so others can access its predictions. The first step is choosing a model server to host your model. Some popular open-source options are:

  1. TensorFlow Serving – This is a great choice if you built your model in TensorFlow. It’s optimized for serving TensorFlow models and has clients in many languages.
  2. MLflow – MLflow is a platform for managing the ML lifecycle, including deployment. It has a model-serving component that can deploy models from many ML libraries.
  3. Seldon Core – Seldon Core is a platform for deploying and managing machine learning models. It has an open model server that can serve models from TensorFlow, PyTorch, SKLearn, and others.

Maintenance and Iteration

  • Establish a maintenance plan to regularly update and improve the generative AI solution, incorporating user feedback and addressing any issues or bugs that arise.
  • Continuously iterate on the model and system based on new advancements in generative AI techniques and user needs.

Best Practices for Building Generative AI solutions

Choose your data carefully

The data you use to train your model is the most important element. Make sure you have enough high-quality data that is relevant to the task. For image generation, use a large dataset of images. For text generation, use a corpus of relevant text. The more data, the better, as it will allow your model to learn all the nuances required to generate realistic and coherent samples. For this, we can try data augmentation. It is a technique used to artificially increase the size and diversity of a training dataset by applying various transformations or modifications to the existing data. 

Select an appropriate model architecture

Choose a model architecture suited to your needs. Try variational autoencoders (VAEs) or generative adversarial networks (GANs) for image generation. For text, look at recurrent neural networks (RNNs) like long short-term memory (LSTM) models or transformer models like GPT-3. The model architecture will depend on factors like the type of data, complexity of the task and hardware available. Start with a simple, proven architecture before trying more advanced options.

Train and tune your model

Training a generative model requires a lot of tweaking to get it right. You’ll need to tune hyperparameters like learning rate, batch size, number of epochs, and regularization to optimize performance. Check the output and quality of the generated samples periodically, and adjust as needed. Getting realistic and coherent generation from a model can take hours, days or even weeks of training and fine-tuning. Patience and persistence pay off.

With the right data, model and training, you’ll generate quality samples quickly. But building a production-ready solution requires additional work. You’ll need to optimize for speed and efficiency, add interfaces, and consider how to deploy and scale your model. Generative AI is an ongoing process of continuous learning and improvement. With practice, you’ll be a pro in no time!

Iterative model refinement

Building generative AI solutions often involve an iterative process. Start with a simple model architecture and gradually refine it based on feedback and evaluation results. Experiment with different hyperparameters, loss functions, and model configurations to optimize the performance and generate higher-quality outputs.

Up to date with new advancements

Keep up with research and advancements: The field of generative AI is rapidly evolving, with new techniques and models emerging regularly. Stay updated with the latest research, attend conferences, and engage with the AI community to leverage advancements and improve your generative AI solutions.


You’ve now built your generative AI system from scratch. Congratulations! You started with a basic understanding of machine learning and worked up to training advanced neural networks on lots of data. While it was a challenging process, the results are powerful — you’ve created a system that can generate realistic samples all on its own. AI is an exciting field, and generative models push the boundaries of what’s possible. Keep experimenting, learning, and building — there’s no telling what you might create next. The future is wide open.


How do generative models learn to generate new content?

Generative models learn to generate new content by capturing the underlying patterns and structures present in the training data. During the training process, these models optimize their internal parameters to approximate the data distribution. This enables them to generate new samples that are similar to the examples they have seen during training.

What are some popular generative model architectures?

Generative Adversarial Networks (GANs) Variational Autoencoders (VAEs) Autoregressive Models (such as Transformers and LSTMs) Flow-based Models (such as RealNVP and Glow)

What are some common applications of generative AI models?

mage generation and synthesis Text generation and completion Music composition and synthesis Video synthesis and prediction Data augmentation and synthesis for training other models Virtual reality and gaming content generation Drug discovery and molecular design

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