Drone CI vs Semaphore
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Semaphore is the stronger AI pick in CI/CD: it has a visibility score of 6.4 versus 0 for Drone CI.
Choose Drone CI if…
No clear advantage in the published data.
Choose Semaphore if…
- You want the brand AI engines rank higher (6.4 vs 0)
- You need SOC 2 Type 2 or ISO 27001:2022 coverage
- predictable, transparent usage pricing
- free full-functionality enterprise tier for small teams and startups
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Drone CI | Semaphore |
|---|---|---|
| Visibility score | 0% | 6.4% |
| Change vs last week | New | New |
| Rank in CI/CD | #37 | #14 |
| Share of voice | 0% | 1.9% |
| Mentions this run | 0 | 11 |
| Positive in AI answers | — | 40% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Drone CI 0pp · Semaphore 0pp over 0 weekly runs.
Engine by engine
Semaphore leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Drone CI | Semaphore |
|---|---|---|
| Pricing model | — | Usage-based |
| Entry price | — | Free; paid from $0.003 / mo |
| Free plan | — | Yes |
| Deployment | Self-hosted on-premise or SaaS cloud | Open source, cloud, hybrid or enterprise deployment |
| Compliance | — | SOC 2 Type 2, ISO 27001:2022 |
| Support | Online documentation | Free help with account setup, projects and Git integration, Paid Basic, Priority Response, SLA Standard and SLA Premium support plans, On-demand engineering access in blocks of hours |
| Founded | 2012 | 2009 |
| Headquarters | San Francisco, California | Novi Sad, Serbia |
| Employees | — | 11–50 |
| Funding | Seed (Alchemist Accelerator) | PE round, Cypress Ridge Capital |
| Best for | Busy development teams that want self-service continuous integration | Teams that want fast, low-cost CI/CD with pay-as-you-go pricing and the option to self-host open source. |
Plans side by side
Drone CI
Pricing not available.
Semaphore
Pros and cons
Themes from the AI answers that mention each brand
Drone CI
Profile in progress.
Semaphore
- predictable, transparent usage pricing
- free full-functionality enterprise tier for small teams and startups
- highest G2 review rating among CI/CD tools (4.7/5)
- low-friction integration for GitHub repositories
- scaling costs
- complex matrix requirements
- security track record concerns
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Drone CI vs Semaphore”, https://slateindex.ai/compare/drone-ci-vs-semaphore, data of Nov 3, 2026. Licence: CC BY 4.0.