Stubborn Contract Pricing in 2026
Every plan Stubborn Contract publishes, with the page and date we read it from. Prices we could not find on Stubborn Contract's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| Open-source core | Free | Contract-testing core and Stubborn Broker OSS · free to use, modify, and deploy under Apache 2.0 | stubborn.sh | |
| Enterprise Partnership | Not published | Scoped to the organization’s needs; no public pricing | Stubborn Pro capabilities · migration planning · architecture sessions · priority engineering · direct maintainer communication · custom integrations | stubborn.sh |