Prism vs Semaphore
PrismAPI Mocking
FreePublished price
SemaphoreTesting & QA
Prism API Mocking Open-Source HTTP Mock and Proxy Server | Semaphore Testing & QA CI built for coding agents - fast, affordable, and enterprise-ready | |
|---|---|---|
| Overview | ||
| Category | API Mocking | Testing & QA |
| What it is | Open source HTTP mock and validation server that generates realistic responses from OpenAPI specifications. | Hosted CI/CD platform focused on fast pipelines for monorepos, parallel testing, and native Docker support. |
| Pricing | ||
| Published price | Free Prism is free and open-source (Apache 2.0). It is a standalone CLI/library with no paid tier. Stoplight, the parent company (now part of SmartBear), sells a separate paid API desi… | Not published |
| Pricing model | Free | Usage-based |
| Free options | Free plan · No free trial | Free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2015 | 2012 |
| Team size | 51-200 employees | 51-100 employees |
| Headquarters | Austin, TX | San Francisco, CA |