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Slack vs GitHub: cost at your team size

Annual cost of the cheapest published plan that covers each team size. Slack is billed per seat, GitHub is billed per seat.

Team	Slack	GitHub	Slack vs GitHub
5 seats	$0Free	$0Free	–
10 seats	$0Free	$0Free	–
25 seats	$0Free	$0Free	–
50 seats	$0Free	$0Free	–
100 seats	$0Free	$0Free	–

Team

Slack

GitHub

Slack vs GitHub

5 seats

$0Free

–

10 seats

$0Free

–

25 seats

$0Free

–

50 seats

$0Free

–

100 seats

$0Free

–

Prices read from the vendor pages on 24 Oct 2026 and 24 Oct 2026. A positive delta means Slack costs more.