Team chat costs by seat count
Priced per user per month. Slack bills per active user; inactive seats are not charged. Cheapest published plan that fits each size, annual billing, 2026-11-10.
| Tool | 5 users | 15 users | 50 users | Source |
|---|---|---|---|---|
| Slack | $0 Free | $0 Free | $0 Free | pricing page |
"No plan fits" means no recorded plan covers that size, or the vendor says contact sales. Cheapest is not best: features differ by plan.