I have been wondering what would be the result? Tested the phrases below on the public servers. I am sure results would be better for paid versions but it can give you a clear idea.
1- an oil painting by Matisse of a humanoid robot playing chess
2- medieval marketplace trading with bitcoin
Second one is much complex because it is really short in description. Lest generate the results
An oil painting by Matisse of a humanoid robot playing chess
DALL E : https://labs.openai.com/
Medieval marketplace trading with bitcoin
Open.ai: https://open.ai/ Also using stable diffusions engine