How do we make our AI application perform better for cheaper?

The main three options for optimizing a prompt in production are a/b testing, DSPy optimization, and fine-tuning as a last resort.

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Advanced Prompt Optimization

A/B testing provides the majority of the performance uplift I see for my clients, but also DSPy optimization sometimes works well for classifiers, and then fine-tuning if that doesn't work...More

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Mike Taylor

Built a 50-person growth agency.
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1. Scenario
AI OPTIMIZATION WORKSHOP – VIRTUAL MEETING
You've been assigned a challenging task today. Your boss wants you to find a way to make your AI application perform better while keeping costs low. It's a tough balance to strike, but you're up for the challenge. You'll be diving into advanced prompt optimization techniques, which involve running AB tests to compare different prompts and using fine-tuning to improve performance. Remember, fine-tuning should be a last resort, so it's important to involve an AI engineer for further optimization. Let's get started and make that AI application shine!
William Winters
at Whipple

I've been looking at our AI application's performance and costs, and there's definitely room for improvement.\n

I think advanced prompt optimization techniques could be the key to achieving our goals.\n

By running AB tests and comparing different prompts, we can determine which ones perform better.\n

And if we need to fine-tune, we can train a smaller model with examples from a larger model to enhance performance.\n

But remember, fine-tuning should be our last resort. It's crucial to involve an AI engineer for further optimization.

This course is a work of fiction. Unless otherwise indicated, all the names, characters, businesses, data, places, events and incidents in this course are either the product of the author's imagination or used in a fictitious manner. Any resemblance to actual persons, living or dead, or actual events is purely coincidental.

2. Brief

Transcript: Advanced Prompt Optimization

When it comes to improving the performance of a prompt in production, there are several strategies and techniques that can be employed. In this blog post, we will explore some of the advanced optimization methods that can be used to enhance the effectiveness of a prompt.

The first step in advanced optimization is to run A/B tests. This involves generating different prompts for the same task and evaluating their performance. By comparing the results of these tests, it becomes possible to identify which prompt is more effective. It is advisable to test one or two variables at a time to isolate the impact of each change. A higher number of runs is recommended to ensure accurate results.

Once the A/B tests have been conducted, the next step is to analyze the data and compare the different prompts. This can be done by compiling the results into a data frame, which provides a comprehensive overview of the performance of each prompt. By examining the average ratings and evaluating the success rate of each prompt, it becomes possible to determine which approach is most effective.

In addition to making small changes to the prompt, it is also possible to apply larger techniques or strategies to optimize its performance. By hypothesizing the potential impact of different techniques, it becomes possible to experiment with various combinations of prompts to achieve the desired evaluation score. This allows for a wide range of customization and optimization to suit specific requirements.

Another approach to advanced prompt optimization is to utilize tools such as the OpenAI DALL·E API. This platform automates the optimization process, allowing for easier setup and evaluation. By defining the inputs and outputs of the prompt, it becomes possible to generate social media posts without manual intervention. The evaluation metric can also be optimized using this tool, further enhancing the performance of the prompt.

Fine-tuning is another effective method for prompt optimization. By training a smaller model with a larger dataset, it becomes possible to improve the performance of the prompt. This is particularly useful when trying to achieve similar results to larger models such as GPT-4. Fine-tuning involves creating a job and training the model with the provided dataset. The resulting fine-tuned model can then be evaluated and compared to other models to determine its effectiveness.

It is important to note that fine-tuning can be more costly and time-consuming compared to other optimization methods. However, the benefits of improved performance and reduced latency can make it a worthwhile investment. It is recommended to start with smaller models and gradually move towards larger ones to assess the viability of fine

3. Tutorial

  All right. Let's talk about advanced optimization. So once you have a prompt working, what do you do in production to improve it? And just as a reminder, we've been going through the five principles of prompting in the previous section. So if you haven't done that so far, it might be worth. Going back through the previous tutorial now. We have this social media task. Where it takes an insight, a social network, and then provides a social post.

social-media-posts.ipynb
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4. Exercises
5. Certificate

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