Fal.ai seems to be pretty fast, and generate very accurate images from your prompt
FLUX.1 [dev] | AI Playground | fal.ai
FLUX.1, a 12B parameters text-to-image model with outstanding aesthetics.
fal.ai
Read more here
Announcing Flux by Black Forest Labs: The Next Leap in Text-to-Image Models
Flux, the largest SOTA open source text-to-image model to date, developed by Black Forest Labs—the original team behind Stable Diffusion is now available on fal. Flux pushes the boundaries of creativity and performance with an impressive 12B parameters, delivering aesthetics reminiscent of Midjourney. To play around with the model
blog.fal.ai
Huggingface has a lot of differenet “engines” or models to choose from. and you may find the one best suited for your needs, but it is free
huggingface flux space – Google Search
a tiny astronaut hatching from an egg on the moon · a cat holding a sign that says hello world · an anime illustration of a wiener schnitzel…
www.google.com
Example