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Create your first Prompt

In the Prompts page, click the + New Prompt button. This will open a modal where you can create a new Prompt. It’s best to choose a descriptive name for your prompt. We will call it FactGenerator.

Prompts Page

Hit Create and you will be taken to the Prompt page.

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The Prompt Editor

The Prompt Editor is the first screen you will see after selecting/creating a new prompt. This is wehere you will do some prompt engineering, commit and publish your prompts. You can find two main sections in the prompt editor - the Content and the Settings.

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Prompt Content

The Prompt Content is where you will write your prompt. In our case, we want to ask the LLM (in our case, OpenAI) to generate facts about a topic. Simply copy and paste the following: 
Generate {numFacts} facts about the following topic: "{topic}"
You can define variables in the prompt content by using curly braces. In our case, we define the numFacts and topic variables.

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Prompt Settings

Depending on the LLM provider, the settings will vary. In our case, we will use the OpenAI API. Feel free to adjust the settings to your liking. However, for this tutorial, we will make the following adjustments:
  • Temperate: 0
  • Max Response Length: 1000
When expecting a structured response or strictly factual data, it’s best to set the temperature to 0. This reduces the chance of “hallucinations”.

The Prompt Editor after defining the content and settings

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Testing the Prompt

Pezzo allows you to test your prompts before publishing them. This is a great way to quickly iterate on your prompts and make sure they’re working as expected. To test your prompt, simply click the Test button. This will open a modal where you can enter the values for the variables you defined in the prompt content. For example, if we want to generate 3 facts about cats, we will enter the following:
Then, hit Test and wait for the results. You should see something like this:

Prompt Test Results

In the test results you can find plenty of useful information such as:
  • Token usage
  • Cost
  • Status (success, error)
  • Duration
  • Request body
  • Response body
This is extremely useful when debugging prompts and making sure they’re working as expected. Performing tests in Pezzo allows you to ensure that whatever prompt you publish will work as expected, without having to write a single line of code!

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Commiting and Publishing the Prompt

Once we’re happy with the prompt, there is one more step we need to do before we can consume it in our application. We need to commit and publish the prompt. Simply click the Commit button at the top right, and provide a message, such as Initial version. Then, hit Commit.

Commit Modal

Now that we’ve committed the prompt, we can publish it. Click the Publish button at the top right, and choose the desired environment. In our case, we will choose the Production environment.

Publish Modal


Every Pezzo project comes built in with a Production environment. You can manage your environments in the Environments page of your project.
Congratulations! You’ve just created your first prompt and published it to production. In the next step we will learn how to consume it in our application.