# Semaphore

Semaphore is a CI/CD platform for building, testing and deploying software, with pipelines, deployments and automation, self-hosted agents, and a public API. Its core is open source under the Apache 2.0 license and can be used as a hosted service or self-run. The vendor also positions it as a CI system that coding agents can set up and operate.

Page: https://slateindex.ai/brand/semaphore · data of 2026-11-03

## Facts

- Founded: 2009
- Headquarters: Novi Sad, Serbia
- Employees: 11–50
- Company type: Private company
- Latest funding: PE round, Cypress Ridge Capital
- Deployment: Open source, cloud, hybrid or enterprise deployment
- Best for: Teams that want fast, low-cost CI/CD with pay-as-you-go pricing and the option to self-host open source.
- Compliance: SOC 2 Type 2, ISO 27001:2022

## Products

- Continuous Integration and Pipelines: Visual workflow builder, auto-generated config as code, build optimization and self-hosted agents.
- Deployments and Automation: Promotions, deployment targets, deployment orchestration and infrastructure tasks.
- API: Public OAS 3.0 API for managing resources and integrating Semaphore with other tools.
- sem-ai: Open-source agent-first interface that lets coding agents run and manage CI.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| CI/CD | 14 of 45 | 6.4 | 11 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 3.9 | 11.1% |
| google_ai_mode | 8.2 | 14.8% |
| perplexity | 7.2 | 14.8% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “Semaphore AI visibility profile”, https://slateindex.ai/brand/semaphore, data of 2026-11-03. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).