Check out the demo: http://onceuponaitime.com.
You'll need an OpenAI account with access to GPT-3, and a Replicate (replicate.com) account.
Set Environment Variables
export OPENAI_API_KEY=XXX
export REPLICATE_API_TOKEN=XXX
Install depencencies & run Once Upon AI Time
python3 -m pip install -r requirements.txt
streamlit run main.py