Tailwind CSS vs Bootstrap in 2024, which one to learn?

Which is the best CSS framework for you, Tailwind CSS or Bootstrap?
Tailwind CSS and Bootstrap explained in 1 short.
Tailwind CSS is flexible with more customization whereas Bootstrap delivers rapid development with pre-made components.
Tailwind CSS showcase websites like ChatGPT and Shopify.
Bootstrap showcase websites such as Udemy and Spotify.
Both Tailwind CSS and Bootstrap are easy to learn.