Semaphore vs Spacelift: CI / CD Comparison (2026)

An independent side-by-side comparison of Semaphore and Spacelift for ci / cd buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask ci / cd questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
Semaphore
Tracking…
No data yet
Spacelift
Tracking…
No data yet
Perplexity
Semaphore
Tracking…
No data yet
Spacelift
Tracking…
No data yet
Gemini
Semaphore
Tracking…
No data yet
Spacelift
Tracking…
No data yet
Claude
Semaphore
Tracking…
No data yet
Spacelift
Tracking…
No data yet
Copilot
Semaphore
Tracking…
No data yet
Spacelift
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Semaphore
Starting price
—
Free tier
—
semaphoreci.com ↗
Spacelift
Starting price
—
Free tier
—
spacelift.io ↗

Key Features

Semaphore

Feature data is being indexed.

Spacelift

Feature data is being indexed.

When to choose Semaphore

Choose Semaphore if your team prioritizes its strengths over Spacelift's. Full guidance populates as Semaphore's feature data is indexed.

When to choose Spacelift

Choose Spacelift if your team prioritizes its strengths over Semaphore's. Full guidance populates as Spacelift's feature data is indexed.

AI visibility profiles

Is one of these your brand?

Get the full report by email: every ci / cd buyer question we ask, which engines name you, and who gets named instead.

Semaphore

semaphoreci.com

Spacelift

spacelift.io

Free check

Check any brand's AI visibility — free

We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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