Slack vs Microsoft Teams: what each really costs

Team size

Billing

10 peopleSlackMicrosoft Teams
Entry paid planNo plan for this billing optionNo plan for this billing option
Vendor price
Monthly cost
Annual cost
Per user / year
Billing commitmentNot recordedNot recorded
Minimum seatsNone statedNone stated
Free planYesNo free plan listed
Free trialNot statedNot stated

Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.

Slack vs Microsoft Teams pricing questions

How much do Slack and Microsoft Teams cost?
Slack paid plans start at $7.25/user/month (Pro (annual)). Microsoft Teams paid plans start at $4/user/month (Teams Essentials).
Is Slack or Microsoft Teams cheaper for 5 users?
Microsoft Teams is cheaper for 5 users: $240 per year on Teams Essentials, against $435 per year for Slack on Pro (annual). That is $195 less per year, before tax.
Is Slack or Microsoft Teams cheaper for 10 users?
Microsoft Teams is cheaper for 10 users: $480 per year on Teams Essentials, against $870 per year for Slack on Pro (annual). That is $390 less per year, before tax.
Is Slack or Microsoft Teams cheaper for 25 users?
Microsoft Teams is cheaper for 25 users: $1,200 per year on Teams Essentials, against $2,175 per year for Slack on Pro (annual). That is $975 less per year, before tax.
Do Slack and Microsoft Teams have a free plan?
Slack lists a free plan; Microsoft Teams does not list one on its official pricing.