GitHubThe home of software development

SemaphoreThe CI built for coding agents: fast, affordable, and enterprise-ready.

Comparison · CI/CD · weekly run Nov 3

GitHub vs Semaphore

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

GitHub is the stronger AI pick in CI/CD: it has a visibility score of 83.3 versus 6.4 for Semaphore, and ranks ahead in 90% of the answers that name both.

Choose GitHub if…

You want the brand AI engines rank higher (83.3 vs 6.4)
AI answers describe it more positively (48% vs 40% positive)
You need a self-hosted or on-premises option
You need SOC 1 Type 2 or ISO/IEC 27001 or CSA STAR Level 2 or PCI DSS or FedRAMP Tailored ATO coverage

Choose Semaphore if…

You want a lower entry price ($0.003 vs $4)
You need ISO 27001:2022 coverage
Usage-based pricing suits your budget better than per seat
predictable, transparent usage pricing

AI visibility side by side

Latest weekly run · Nov 3

Metric	GitHub	Semaphore
Visibility score	83.3%	6.4%
Change vs last week	New	New
Rank in CI/CD	#1	#14
Share of voice	12.3%	1.9%
Mentions this run	72	11
Positive in AI answers	48%	40%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

GitHub 0pp · Semaphore 0pp over 0 weekly runs.

Engine by engine

GitHub leads on 3 of 3 engines

ChatGPT

87%

3.9%

AI Mode

92.4%

8.2%

Perplexity

70.4%

7.2%

GitHubSemaphore

Head to head in AI answers

10 engine answers name both brands

9GitHub ranked higher

1Semaphore ranked higher

Prompt	Engine	GitHub	Semaphore
What are the best CI/CD tools in 2026?	Perplexity	#1	#11
Best CI/CD tool for enterprise	Perplexity	#1	#11
Which CI/CD tool has the best reviews?	Perplexity	#2	#1
Alternatives to the most popular CI/CD tool	AI Mode	#1	#3
Most affordable CI/CD tool that is still reliable	Perplexity	#1	#5
Which CI/CD vendors do analysts recommend?	ChatGPT	#3	#13
Which CI/CD tool offers a free trial?	AI Mode	#1	#6
Which CI/CD tool has transparent pricing?	AI Mode	#1	#2
Which CI/CD tools offer annual discounts?	AI Mode	#2	#7
Official website of the top CI/CD tool vendors	ChatGPT	#1	#15

Features, pricing & fit

Dimension	GitHub	Semaphore
Pricing model	Per seat	Usage-based
Entry price	Free; paid from $4 per seat / mo	Free; paid from $0.003 / mo
Free plan	Yes	Yes
Deployment	Cloud service (GitHub.com and GitHub Enterprise Cloud) and self-hosted GitHub Enterprise Server	Open source, cloud, hybrid or enterprise deployment
Compliance	SOC 1 Type 2, SOC 2 Type 2, ISO/IEC 27001, CSA STAR Level 2, PCI DSS, FedRAMP Tailored ATO	SOC 2 Type 2, ISO 27001:2022
Support	Community support (Free plan), Web-based support (Team plan), Premium support with 24/7 web and phone support and a 30-minute SLA on urgent tickets (Enterprise)	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	2008	2009
Headquarters	San Francisco, California	Novi Sad, Serbia
Employees	501–1,000	11–50
Funding	Round led by Sequoia Capital · $350M raised	PE round, Cypress Ridge Capital
Best for	Development teams, from individuals to enterprises, that build, review, and ship software on one platform.	Teams that want fast, low-cost CI/CD with pay-as-you-go pricing and the option to self-host open source.