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Slack vs Trello: cost at your team size
Annual cost of the cheapest published plan that covers each team size. Slack is billed per seat, Trello is billed per seat.
| Team | Slack | Trello | Slack vs Trello |
|---|---|---|---|
| 5 seats | $0Free | $0Free | – |
| 10 seats | $0Free | $0Free | – |
| 25 seats | $0Free | $1,500Standard | -100% |
| 50 seats | $0Free | $3,000Standard | -100% |
| 100 seats | $0Free | $6,000Standard | -100% |
Prices read from the vendor pages on 24 Oct 2026 and 24 Oct 2026. A positive delta means Slack costs more.