Clarkesworld:
They pay $0.12 per word for a minimum of 1,000 words and a maximum of 22,000 words. Their preferred genre is science fiction and fantasy.
Strange Horizons:
They are currently closed for submissions, although they are planning to reopen in 2022 (just not sure when), but they are worth checking out. They pay $0.10 per word. They prefer fiction under 5,000 words, but they accept submissions of up to 10,000 words.
Asimov’s Science Fiction:
This is a science fiction magazine as you can see from the name. They pay between $0.08 and $0.10 per word for up to 7,500 words.
Virginia Quarterly:
This site accepts short fiction, non-fiction, as well as poetry. They pay $1,000 or more for short fiction between 3,500 and 8,000 words.
Analog Magazine:
This magazine accepts submissions for science fiction, and pays $0.08 to $0.10 per word.
Apex Magazine:
This magazine accepts science fiction, horror and fantasy short fiction. They pay $0.08 per word.
Boulevart Magazine:
This magazine accepts prose and poetry. Check out their guidelines to see what genres they accept. They pay between $100 and $300 for prose, and $50 to $250 for poetry.
One Story:
This website accepts stories periodically, so be mindful of their submission dates. They accept submissions between 3,000 and 8,000 words, and they pay $500 per accepted submission.