Fly.io vs Harness

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

The short answer

Harness is the stronger AI pick in CI/CD: it has a visibility score of 12.3 versus 0 for Fly.io.

You want the brand AI engines rank higher (12.3 vs 0)
You need SOC 1 Type II or SOC 2 Type II or ISO 27001 or ISO 27017 or ISO 27018 or FedRAMP 20x Class A or GDPR coverage
You prefer a larger, established vendor (1,001–5,000 employees)
Flat tiers pricing suits your budget better than usage-based

Latest weekly run · Nov 3

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

Weekly runs over the last 60 days

Fly.io 0pp · Harness 0pp over 0 weekly runs.

Harness leads on 3 of 3 engines

ChatGPT

16.9%

AI Mode

6.1%

Perplexity

13.9%

Fly.ioHarness

0 engine answers name both brands

0Fly.io ranked higher

0Harness ranked higher

Dimension	Fly.io	Harness
Pricing model	Usage-based	Flat tiers
Entry price	Free; paid from $38 / mo	Contact sales
Free plan	Yes	Yes
Deployment	Operated by Fly.io on its own hardware across 18+ regions worldwide, deployed from GitHub or the fly CLI.	Harness platform with a Harness Delegate that runs inside the customer's VPC or cluster; a self-managed platform is available as an Enterprise add-on.
Integrations	—	40+
Compliance	SOC 2 Type 2, HIPAA (BAA pre-signed on HIPAA package)	SOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017, ISO 27018, FedRAMP 20x Class A, GDPR
Support	Community support (free), Paid Standard, Premium and Enterprise support tiers, Dedicated Slack channel on Premium and Enterprise	Standard support with a dedicated customer success manager (Essentials), Premier support and dedicated account manager (Enterprise), Community support (Free plan), Professional Services as an add-on
Founded	2017	2017
Headquarters	Chicago, Illinois, United States	San Francisco, California, United States
Employees	51–200	1,001–5,000
Funding	Seed · $136M raised	Series E · $570M raised
Best for	Developers and teams that want to ship apps, AI agents and code sandboxes without managing infrastructure.	Enterprise engineering and platform teams that want CI, CD, security and cost controls on one governed platform.