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GitHub vs Slack: cost at your team size

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

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

Team

GitHub

Slack

GitHub vs Slack

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 GitHub costs more.