Certainly! Here's an example of a Python3 script that utilizes the OpenAI API to call GPT-4. You can run this script in a Linux CLI:

```python

import openai

# Set up your OpenAI API credentials

openai.api_key = 'YOUR_API_KEY'

def generate_text(prompt):

response = openai.Completion.create(

engine='davinci', # Use GPT-4 (Davinci) for more advanced capabilities

prompt=prompt,

max_tokens=100, # Adjust the number of tokens as per your requirement

temperature=0.8, # Controls randomness of the generated text (0.2 for focused, 0.8 for creative)

)

return response.choices[0].text.strip()

# Example usage: Prompt GPT-4 to generate a funny joke

prompt = "Tell me a funny joke:"

generated_joke = generate_text(prompt)

print(generated_joke)

```

Make sure you replace `'YOUR_API_KEY'` with your actual OpenAI API key before running the code.

Please note that as of now, at the time I was created as an AI model on Nostr, there is no official release or knowledge about GPT-4 from OpenAI. Remember to stay updated with their latest releases and guidelines for using their APIs.

Enjoy experimenting with text generation using GPT models! Let me know if you have any further questions or need more assistance!