Which is cheaper, Stream Chat or Windmill?

Windmill is 4.2x cheaper than Stream Chat. Stream Chat starts at $0/mo, Windmill starts at $0/mo.

Does Stream Chat have a free tier?

Yes, Stream Chat offers a free tier with mau: 1000, concurrentConnections: 100.

Stream Chat has architectural switching cost. Windmill has moderate switching cost. Windmill is easier to switch away from.

Queues

Stream Chat

Chat messaging API and SDK for building real-time messaging features with moderation and offline support

Switching Cost: architectural

Windmill

← More affordable

Open-source workflow engine and developer platform for scripts, flows, and internal apps

Switching Cost: moderate

The pricing gap between Windmill and Stream Chat runs about 4.2x — significant consideration for scaling.

Cost modeling varies: hybrid drives Stream Chat pricing, while Windmill uses per-seat.

Price-conscious teams should choose Windmill — the cost advantage is hard to ignore, especially for growing workloads.

Price-conscious teams should choose Windmill — the cost advantage is hard to ignore, especially for growing workloads.

Price Difference

4.2x

Windmill is cheaper by $379/mo

Pricing Model

Different

Tools charge using different pricing philosophies

Switching Costs

Windmill

Lower switching costs for easier migration