Port vs Substrate
Port
port.ioSubstrate
substratecore.comSide by side
| Figure | Port | Substrate |
|---|---|---|
| Price from | $30/mo | $299/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 4 | 4 |
| Spec score · Internal Developer Platforms | 7.8 (#12) | 7.6 (#13) |
| Spec score · Platform Engineering Software | 8.1 (#14) | 7.7 (#21) |
| Deployment | Port describes itself as a cloud-native SaaS platform and says Enterprise customers can discuss dedicated tenancy and Private Link connectivity. | The platform provides multi-cluster workload deployment and real-time dashboards for cluster health, resource use, and deployment status. |
| Integrations | Port lists 86 integrations across categories including Kubernetes, CI/CD, incident management, SSO, Git, cloud providers, and AI agents. | The integrations page lists GitHub, GitLab, self-hosted Git, Docker Hub, Amazon ECR, Google GCR, Azure ACR, and private OCI registries. |
Plans
Substrate
- FreeFree
- Starter$299 a month
- Growth$999 a month
- EnterprisePriced on request
In their own words
Port
Port is a cloud-native platform for engineering teams to build, govern, and operate their software development lifecycle. Its platform includes a Context Lake, Software Catalog, Actions, AI Agents, Scorecards, Access Controls, Workflows, and Interface Designer. Port maps environments into the Context Lake and orchestrates agentic workflows across the development lifecycle with governance. It lists 86 integrations in areas such as Kubernetes, CI/CD, incident management, SSO, Git, cloud providers, and AI agents. Examples include Prometheus, Azure Monitor, Rootly, n8n, Claude AI, OpenAI, Cursor, Jira, Slack, ServiceNow, and Wiz. The Free plan has no time limit and includes up to 15 seats, up to 10k entities, up to 400 runs, and community support. Basic is listed at $30 a month, billed annually; paid plans start at $30/user/mo (annual). Port states that it is SOC 2 Type 2 certified, GDPR, ISO 27001, and CCPA compliant, and follows OWASP best practices. It says data at rest is encrypted with AES-256 and data in transit uses HTTPS and TLS 1.2 or later where applicable. User-ingested data is retained until deleted; audit logs are retained for one year by default, and sign-in and account access logs for 30 days.
Substrate
Substrate has no write-up on Specifiction yet; its figures are above.