How to fine-tune a GPT-3 model

If you’re looking to fine-tune a GPT-3 large language model, this article will give you a step-by-step guide on how to do just that. Fine-tuning can help to reduce the amount of data required to train a model and can also help to improve the performance of a model on a specific task.

When fine-tuning a model, it’s important to keep a few things in mind, such as the quality of the data set and the parameters of the model that will be adjusted. Additionally, it’s important to monitor the performance of the model during and after fine-tuning.

UPDATE: OpenAI has now realeased ChatGPT 3.5 Turbo Fine-tuning, learn more here.

If you’re looking to create a high-quality, fine-tuned GPT-3 model in Python, read more below or watch the YouTube video:

What is fine-tuning in GPT-3?

Fine-tuning in GPT-3 is the process of adjusting the parameters of a pre-trained model to better suit a specific task. This can be done by providing GPT-3 with a data set that is tailored to the task at hand, or by manually adjusting the parameters of the model itself. 

One of the benefits of fine-tuning is that it can help to reduce the amount of data required to train a model for a specific task. It is a big advantage in the field of creative work with Generative AI.

For example, if a model has already been trained on a large data set for the task of question answering, then fine-tuning the model on a smaller data set for the task of chatbot conversation could help to reduce the amount of data required to train the chatbot. 

Another benefit of fine-tuning is that it can help to improve the performance of a model on a specific task. This is because the model can be β€œtuned” to better suit the task at hand. Such as writing an article or a blog post with GPT-3.

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There are a few things to keep in mind when fine-tuning a model in GPT-3

First, it is important to make sure that the data set used for fine-tuning is of high quality and is representative of the task that the model will be used for.

Second, it is important to carefully choose the parameters of the model that will be adjusted during fine-tuning. 

Third, it is important to monitor the performance of the model during and after fine-tuning. This can be done by evaluating the large language model on a held-out data set, or by using a human evaluation. 

Fourth, it is important to remember that fine-tuning is a process of trial and error. It is possible that the model will not perform as well as expected after fine-tuning, and it may be necessary to adjust the parameters of the model or the data set used for fine-tuning.

Can I fine tune GPT-3?

Yes, you can fine tune GPT-3 by providing it with datasets that are tailored to the task at hand, or by adjusting the parameters of the model itself.

Fine tuning does require some skills and knowledge in working with GPT-3 though. And knowledge of a programming language like Python is very helpful.

How much does it cost to fine-tune GPT-3?

If you are wondering how much it costs to fine-tune GPT-3, the answer will depend on a few factors. The most important factor is the size of the data set that you use for training. 

The larger the data set, the more expensive it will be to fine-tune GPT-3. Another important factor is the number of training iterations that you use. The more iterations you use, the more expensive it will be to fine-tune GPT-3. 

Finally, the type of GPT-3 model that you use will also affect the cost. The more expensive models, such as the Da Vinci model, will cost more to fine-tune than the cheaper models, such as the Curie model. 

Assuming you use a data set of 200,000 examples and training iterations of 10, the cost to fine-tune GPT-3 would be about $200. This can of course change according to the factors mentioned above and the pricing set by OpenAI.

Creating your GPT-3 Prompt

In order to create our GPT-3 prompt for fine-tuning, it is important to consider what we want our output to be consistent with. 

For our fine-tuned model, we are looking for consistency in terms of the format of the output (length, structure, etc.), as well as in the content of the output. Therefore, we need to create a prompt that will generate text that meets our criteria for consistency. 

When creating our prompt, we need to consider the following: 

1. What format do we want our output to be in? 

2. What content do we want our output to include? 

3. How can we ensure that our output is consistently generated? 

4. What other variables do we want to include in our prompt? 

When creating our GPT-3 prompt, it is important to remember that we want our output to be consistent with our criteria for a fine-tuned model. 

Therefore, we need to create a prompt that will generate text that meets our criteria for consistency.

Creating Synthetic data for GPT-3 fine-tuning

What is synthetic data?

Synthetic data is data that is artificially created. It’s data that you create using other machines or programming. Synthetic data can be used to train machine learning models when real world data is not available, or to test models when real world data is not available

How to create synthetic data with GPT-3?

In data science or machine learning, synthetic data is data that is artificially created. This can be done by using other machines or programming to generate data that never actually existed. 

Synthetic data can be used to train and test machine learning models without the need for real data. This can be useful when real data is not available or when you want to protect the privacy of people whose data you are using.

There are several ways to create synthetic data. One way is to use a text generator such as GPT-3. To do this, you first need to come up with a prompt, or series of prompts, that will be used to generate the synthetic data. 

The prompt can be anything that you want, but it should be something that will result in the generation of the synthetic data that you are looking for. 

For example, if you want to generate synthetic data for a chatbot, you might use a prompt such as “Eve is a digital life coach that uses compassionate listening and is inquisitive about the end user.”

Once you have your prompt, you can feed it into the text generator and it will generate synthetic data based on the prompt. 

Another way to create synthetic data is to use a question generator. This is similar to the text generator, but instead of prompts, you provide a topic and the question generator will generate questions about the topic. 

This can be useful for creating training data for a chatbot or for creating a list of questions that can be used to test a person’s knowledge about a certain topic.

Using Synthetic Data to Train and Test Machine Learning Models

Once you have your synthetic data, you can then use it to train and test machine learning models. This can be done by splitting the data into training and test sets and then using the training data to train the model and the test data to test the model. 

This will allow you to see how well the model performs on data that it has never seen before. Overall, synthetic data can be a useful tool for training and testing machine learning models. 

It can be used when real data is not available or when you want to protect the privacy of people whose data you are using. 

Synthetic data can also be generated for any purpose you can imagine, so it is a versatile tool that can be used in many different ways.

Augmenting Data for fine-tuning

What is an augmented dataset?

An augmented dataset is a dataset that has been improved by adding new data or by improving the quality of the data. 

In many cases, data augmentation can be used to improve the quality of a dataset by adding new data or by improving the quality of the existing data. 

For example, if a dataset only contains a limited number of data points, adding new data points can help to improve the quality of the dataset.

Additionally, if the data points in a dataset are of poor quality, augmenting the dataset with higher quality data points can improve the overall quality of the dataset.

How to augment your datasets for fine-tuning in GPT-3?

In order to augment your data set, you will first need to generate a lot more data than you need. This can be done by using a script or by manually editing each piece of data. Once you have generated more data than you need, you can then delete the samples that are not useful. 

This will leave you with a dataset that is more consistent and will be more useful for fine tuning. To further augment your dataset, you can try different methods of data augmentation. 

This includes manual editing of each piece of data, or using a script to automatically delete bad samples. You can also try to match prompts with completions to create a more finely tuned model.

Testing your fine-tuned GPT-3 model

What are the advantages of a fine tuned GPT-3 model?

There are many potential advantages to fine tuning a GPT-3 model, including: 

1) Increased accuracy: By fine tuning the model on specific tasks or datasets, the model can learn to better perform those tasks. This can result in increased accuracy and improved performance. 

2) Increased robustness: A fine tuned model can be more robust and resistant to overfitting than a non-fine tuned model. This can be especially helpful when working with small datasets. 

3) Better generalization: A fine tuned model is often better able to generalize to new data than a non-fine tuned model. This can be helpful when working with complex tasks or datasets. 

4) Increased interpretability: A fine tuned model can be more interpretable than a non-fine tuned model. This can be helpful when trying to understand how the model works and what it has learned.

How to test your fine-tuned GPT-3 model

Once your model is fine-tuned, you can then use it in the playground by selecting your model from the drop-down menu. You can also view the code for your model by clicking on the “view code” button. 

This will give you the code you need to use your model in your own applications. One thing to keep in mind when testing your model is that the format of the data you use to fine-tune your model must be the same as the format of the data you use to test it. This is necessary in order to get accurate results. 

Another thing to keep in mind is that your model will only be as good as the data you use to train it. If you want to create a model that is able to generate high-quality plots, you will need to use high-quality data. 

This data can be collected from a variety of sources, such as books, movies, and games.

Conclusion

Overall, fine-tuning can help to improve the performance of a GPT-3 model combined with Python on a specific task. This is because the model can be β€œtuned” to better suit the task at hand. 

Additionally, fine-tuning can help to reduce the amount of data required to train a model for a specific task. 

When fine-tuning a model, it is important to keep a few things in mind, such as the quality of the data set and the parameters of the model that will be adjusted. 

Additionally, it is important to monitor the performance of the model during and after fine-tuning. If you’re looking to create a high-quality, fine-tuned GPT-3 model, careful consideration of these factors is essential.

13 Comments

  1. Great post. I am definitely following this steps. Also thanks for mentioning Shapiros code (saves a lot of time πŸ™‚ ).
    Once you have the fine tuning on gpt3 do you think it can be used on a specific or small database/dataset for internal use?

  2. Curious to what happens to the data once we make new updates and feed that in, so let’s suppose it will have 2 contrasting pieces of data. For example, a question or article in the past talking about what language we support we put only English, but after a month we have multiple language support. How do we feed that new updated data into the model?

  3. Basically you create a new fine tuned model off of your existing fine tuned model.

    from thebopenai docs:
    Continue fine-tuning from a fine-tuned model
    If you have already fine-tuned a model for your task and now have additional training data that you would like to incorporate, you can continue fine-tuning from the model. This creates a model that has learned from all of the training data without having to re-train from scratch.

    To do this, pass in the fine-tuned model name when creating a new fine-tuning job (e.g. -m curie:ft–). Other training parameters do not have to be changed, however if your new training data is much smaller than your previous training data, you may find it useful to reduce learning_rate_multiplier by a factor of 2 to 4.

  4. Thank you very much for your post! It’s really great!
    One question: If it is modeled with private or secret data, does it cease to be secret and is incorporated into OpenAI’s chatGPT or does this data remain only in the private part (where chatGPT or GTP-3 runs, on the client’s private server)?

  5. First of all great post! I am currently trying to fine tune a model with a dataset made of food and the respective nutritional values for each but I am not sure how to make the fine tuning with this type of format beacuse it does not consist of 1 Prompt and 1 completion. I need my model to store and understand the nutritional information to use it later on. Does anyone have a clue how I can make the fine-tuning?
    The dataset looks like the following:
    Food, Calories, Proteins, Carbohydrates, Lipids, Fibres, Saturated Fats, Polyunsaturates, Monounsaturates, Sodium(mg), Potassium(mg)
    Egg,78,6,1,5,0,16,7,2,65,73
    Carrots,32,9,7,2,28,0,0,0,69,320
    Onions,43,14,9,2,0,0,0,0,0,0
    The food name and their respective values for each nutritional value.
    Any help would be great!

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