How to replace Siri with OpenAI
Last updated: Jan, 2023

Upgrade Your iPhone and Replace Siri with OpenAI: Step-by-Step Guide

Voice Assistants like Siri or Alexa are great at handling specific, pre-defined instructions but they are severely limited when it comes to answering contextual questions. With tools like ChatGPT becoming more and more popular, the gap between what could be possible and the Status Quo of Voice Assistants is even more obvious. Luckily, you don’t have to wait for Apple to bring AI to Siri - you can do it yourself. In this step-by-step guide, you’ll learn how to easily add OpenAI to Siri to unlock the full potential of your iPhone. Ask any question and get advanced AI generated responses. The setup takes less than 5 minutes and you can get started for free.

What’s more, you can use the same methods to turn your iPhone into an AI Image Generator and create stunning AI Art using only your voice.

Read on for detailed instructions on how to replace Siri with OpenAI or jump to the bottom of this article to download the free template and get started right away.

How to use OpenAI as your Voice Assistant

Learn how to replace Siri with OpenAI and bring add ChatGTP-like features to your iPhone.

Step 1: Create Your OpenAI Account

To start, sign up for a free OpenAI account here.

Step 2: Get Your OpenAI API Key

Next, log into your OpenAI account, click on Personal in the top right corner and click on View API keys.

How to find your OpenAI API Keys

Click on Create new secret key and copy the API key shown in the popup. Save the API key in a secure location - you’ll need it in the next step to set up the shortcut.

You won’t be able to see your API key again after closing the popup, so make sure you save it carefully. You’ll need to generate a new key if you forget it or lose it.

Keep your API key secret and don’t share it publicly.

How to find your OpenAI API Key

Step 3: Add a new Shortcut

Next, open the Shortcut app on your iPhone, iPad or Mac. Click on the + icon in the top right corner to create a new shortcut.

Create your shortcut to add OpenAI to Siri

Give your new shortcut a distinctive name. This name is also the command that you’ll use to trigger the shortcut when using Siri. In this example, the shortcut will be called “ask your sister”. That means, you can use the command “Hey Siri, ask your sister” to trigger the shortcut.

Name your shortcut

Step 4: Craft your OpenAI prompt

Next, add your first module to the shortcut. To do so, click into the search field on the right sidebar and search for ask for input.

Drag the Ask for Input module into the builder (on Mac) or simply tap it (on iPad or iPhone) to add it to your shortcut.

Add the first OpenAI for Siri Module

With this module, Siri will ask us for more details once the shortcut is triggered. We can define the question Siri asks us by typing into the prompt field.

Type a contextual question, like “What would you like to know?”

Have Siri ask a question

Now that you’ve gathered your actual question, it’s time to build a prompt around it.

Natural Language Processing Models like OpenAI require specific instructions (called a prompt) to return a good answer. The more context you provide for the model, the better the response.

If you were to only use your question without further modification, you’d likely receive a fairly long answer (which is impractical when working with a Voice Assistant). That’s why you should add a Text module next to further specify your instructions.

Search for text in the sidebar and drag the plain text module intro your shortcut (or tap it on mobile)

Replace Siri with OpenAI Prompt Design

Now, write your specific instructions into the text module. You can play around with different prompts, but the example below is a great starting point.

You're an advanced voice assistant like Siri or Alexa. Your job is to answer the user question as short and concise as possible. Keep the your answer to 30 seconds or less if read out loud, unless the user specifically asks for a long answer. User Question:

Now it’s time to dynamically pull in your question from step 1 into the text module to complete the prompt. To do so, right click the text module after “User Question” and opt for Insert Variable. Then, select the Provided Input from the previous step.

How to add a variable to your shortcut

On mobile, your keyboard should show a selection of available variables. Either go directly for Provided Input or tap on Select Variable to see all options.

Build a shortcut on your iPad

Last but not least, indicate to OpenAI that the prompt is finished by typing Answer: after the variable. With the crafted prompt, you're ready to replace Siri with OpenAI.

Step 5: Use OpenAI as your personal assistant

Now it’s time to send your prompt to OpenAI.

Search for the get contents of URL module in the sidebar and add it to the shortcut.

Remove the Text variable that is added by default and then paste the OpenAI API URL.

https://api.openai.com/v1/completions

Then, click on Show more to open the other settings of the module.

Use OpenAI as Smart Voice Assistant

Change the method from Get to Post.

Open the Headers toggle, click on the + icon and type authorization into the key field. Then, switch to the Value field and write Bearer followed by a space and then paste your API key.

On Mobile, tap on the Add a new header option.

Make sure that Bearer is capitalised.

How to access OpenAI through Apple Shortcut

Then, click on the + icon below the Request Body table (or tap Add new field on mobile). You need to add a total of four different key value pairs here.

  • model (text) - text-davinci-003
  • prompt (text) - your prompt from above by adding another variable
  • temperature (number) - 0.3
  • max_tokens (number) - 300
Send API request to OpenAI

You can add the Text variable the same way that you added the Provided Input variable in the previous step.

On Desktop, right click and go for select variable.

On Mobile, the options should appear above your keyboard.

One last potential issue is the correct decimal separator. It will depend on your system settings whether you need to write 0.3 or 0,3. If you’re not sure, try 0.3 and if the test of the shortcut returns an error, switch to 0,3.

Here’s a quick explainer of the four settings that you just added:

  • Model defines which Natural Language Processing Model should be used. OpenAI has a lot of different modules that vary in unique strengths and training data. Generally speaking, it’s best to use the latest model. As of publishing, that’s “text-davinci-003”, but you can check the official documentation to see whether something new is available.
  • Prompt defines the instructions for OpenAI. We’ve built the prompt in the previous step, so we only need to pull it in here as a variable.
  • Temperature defines the level of creativity that OpenAI uses when interpreting and answering your prompt. It’s a value between 0 and 1 with 1 introducing the most chaos and randomness. 0.3 or lower is a good value to get responses that are well-aligned with your question, but feel free to increase it if you’d like a personal assistant with a “free spirit”.
  • Max Tokens sets the usage for your request. OpenAI runs on tokens (with one token being the equivalent of roughly 4 characters). You get $18 worth of tokens in the beginning, which should be enough for several hundred responses. After that, you need to start paying for OpenAI (though it’s still super affordable)

With everything set up until here, click on the play button in the top right corner to test your setup. It will prompt you to type in your question (later, you’ll be able to speak it instead) and then attempt to send it to OpenAI. If everything is set up correctly, you should see something like this:

Sample Response from OpenAI

If something is wrong, you’ll still see a response but with an error message and a hint on how to fix it.

Step 6: Get the OpenAI response

Once your automation is set up correctly, it’s time to extract the actual response from the data set that OpenAI sends back.

If you look closely, you see that the answer comes after the key “text” which is nested inside “choices”.

To get only the response, search for the Get Dictionary value module and add it to your shortcut.

Click into the empty “key” field and set it to ***choices. Then, add a second Get Dictionary value module and set the key to text.

Careful here. When typing text, Shortcuts will try to autocomplete and insert the same text variable that we used to store our prompt in earlier. Make sure to not go for that autocomplete. You want the word “text” inside the key value, not the variable called text.

Your full setup should look like this:

Parse OpenAI Response in Apple Shortcuts

Step 7: Turn OpenAI Answer into Siri response

Nearly done - all that’s left to replace Siri with OpenAI is to turn the text from the response into a spoken answer.

To do so, search for Speak text and add it as the last module to your shortcut.

Turn OpenAI Response into Siri Speech

And that’s it! Now you’ve successfully integrated OpenAI and Siri and upgraded your iPhone to have a smart AI Voice Assistant.

Simply say “Hey Siri” followed by the name of your shortcut. Wait for Siri to ask you “What would you like to know?” and ask your question. Then, after a short delay, Siri will give you an actual answer instead of the annoying “I found this on the web” response.

How to use OpenAI and Siri to create AI generated Art

Give Siri some new skills and unlock the ability to create AI Art right on your phone using only your voice with this quick shortcut setup.

Step 1: Prepare your Shortcut for OpenAI

Add another shortcut and add the Ask for input module to start. Ask for something like "What should I draw".

We don't need to create an elaborate prompt with context for the AI Image Generation. Instead, you can simply specify the exact AI Art that you want to create whenever running the shortcut.

Step 2: Send your prompt to OpenAI DallE API

This time, we need a lot less parameters compared to the above scenario. Add your authorization token in the header section and then create two parameters in the body.

  • prompt (text) - add the provided input from the previous module as a variable
  • size (text) - add the desired resolution for your image

You can choose between three sizes: 256x256, 512x512 or 1024x1024. Higher resolutions use up more tokens, so for testing purposes, I recommend that you go with the smallest resolution.

Shortcuts 2023 01 20 at 09.17.59@2x

Step 3: Download the AI generated image

After generating an image, OpenAI will send us a URL to download it. Just as with the response in the first shortcut, it's hidden inside a bigger object, so we need to nest two dictionary modules to get to it.

This time, we need to use the key "data" for the first module and the key "url" for the second one.

Download AI generated image to iPhone

Next, add a Get contents of URL module to download the image from the extracted URL.

Step 4: Save the AI generated image to your phone

Add the Save to Photo Album module.

The complete setup should look something like this:

Turn Siri into an AI Image Generator

Get the free template

Don't want to build this shortcut yourself? Simply download the free template and replace Siri with OpenAI in less than five minutes.

Interested in more OpenAI use cases?

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