What is Inference?

by Stephen M. Walker II, Co-Founder / CEO

What is Inference?

Model inference is a process in machine learning where a trained model is used to make predictions based on new data. This step comes after the model training phase and involves providing an input to the model which then outputs a prediction. The objective of model inference is to extract useful information from data that the model has not been trained on, effectively allowing the model to infer the outcome based on its previous learning. Model inference can be used in various fields such as image recognition, speech recognition, and natural language processing. It is a crucial part of the machine learning pipeline as it provides the actionable results from the trained algorithm.

While inference is the process of making predictions using a trained model, an inference engine is the tool that implements this process, taking the model and new data as input to produce predictions.

What is the history of inference in the ML field?

In machine learning, inference is the process of making predictions using a trained model. It is a crucial step in the deployment of Large Language Models (LLMs) as it allows the model to generate outputs based on specific inputs.

Inference can be thought of as the application of a trained model to new data. For example, if we have a model that has been trained to identify faces in pictures, we can use that model to identify faces in new pictures that it has never seen before.

There are many different ways to perform inference, but one common approach is to use a neural network. Neural networks are a type of machine learning algorithm that are very good at learning complex patterns in data. When we use a neural network for inference, we input new data into the network and it outputs predictions based on what it has learned during training.

Once a neural network has been trained, it can be used for inference to make predictions on new data. For example, if we have a trained neural network that can identify faces in pictures, we can use that network to identify faces in new pictures.

Inference is a powerful tool for applying machine learning models. It allows us to use trained models to make predictions on new data, which can be used for a wide range of tasks such as classification, prediction, and more. Neural networks are a popular approach for performing inference, but there are many other ways to do it as well.

What are some common methods for performing inference?

There are a few common methods for performing inference in AI. One popular method is to use a technique called a support vector machine (SVM). This is a supervised learning algorithm that can be used to make predictions on new data. SVMs are often used for high-dimensional data, such as images. Another common method is to use a deep neural network (DNN). DNNs are a type of neural network that is composed of many layers. They are often used to make predictions on new data, such as images or video.

What are some benefits of performing inference?

There are many benefits to performing inference in AI. One benefit is that it allows us to apply trained models to new data, which can be used for a wide range of tasks. Inference can also help reduce the amount of data that is required to train AI systems. Additionally, inference can help improve the interpretability of AI systems.

What are some challenges associated with performing inference?

There are many challenges associated with performing inference in AI. One challenge is the amount of data required to make accurate predictions. Another challenge is the computational cost of performing inference, especially for large models. Additionally, it can be difficult to know how confident we should be in the predictions made by the model.

What are some future directions for inference research?

There are many exciting directions for future research in inference for AI. One direction is to continue to develop methods for making accurate predictions on new data that is both high-dimensional and complex, such as images and videos. Another direction is to develop new ways to quantify the uncertainty in the predictions made by the model. Additionally, research could focus on ways to make inference more computationally efficient, or on ways to make the predictions made by the model more interpretable.

More terms

What is HELM?

HELM (Holistic Evaluation of Language Models) is a comprehensive benchmark that evaluates LLMs on a wide range of tasks, including text generation, translation, question answering, code generation, and commonsense reasoning.

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What is a GAN?

A Generative Adversarial Network (GAN) is a type of artificial intelligence (AI) model that consists of two competing neural networks: a generator and a discriminator. The generator's goal is to create synthetic data samples that are indistinguishable from real data, while the discriminator's goal is to accurately classify whether a given sample comes from the real or generated distribution.

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