Karate
8.2#1 in bdd testing toolsFrom $100 a yearFree planAPIExtensionLinuxmacOS
VisitKarate vs Stubborn Contract
Stubborn Contract
5.9#17 in contract testing toolsFree planFree planAPISelf-hosted
VisitWhat both publish
| Fact | Karate | Stubborn Contract |
|---|---|---|
| Purpose | Karate combines API, UI, mock, and performance testing in one framework with readable syntax. | Stubborn Contract is the official continuation of Spring Cloud Contract, providing consumer-driven contract testing for HTTP and message-based interactions. |
| Self-hosting | The vendor states that products run on customer infrastructure, support air-gapped deployment and make no outbound calls. | The Broker page provides a Docker command to run the server locally on port 8080. |
Karate plans
- FreeFree
- IDE Plus$100 a year
- Xplorer Premium$200 a year
- Pro$640 a year
- Karate EnterprisePriced on request
Stubborn Contract plans
- Open-source coreFree
- Enterprise PartnershipPriced on request
Pick Karate if…
You want what its maker publishes above — check its page for the details.
Pick Stubborn Contract if…
It suits teams that need to verify HTTP or messaging contracts, including organizations migrating from Spring Cloud Contract. Enterprise Partnerships are intended for organizations relying on it in production that want planning or dedicated support.