Circleci vs Harness
Circleci vs Harness, compared side by side on 21 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Circleci is on 55/100 and Harness on 67/100.
Where each one leads
Circleci
Leads on none of the measures we hold for both companies.
Harness
- our overall score: 67/100 against 55/100
- headcount: 1,625 against 359
- funding raised: $815M against $1.5M
At a glance
| Measure | Circleci | Harness |
|---|---|---|
| What it is | A continuous integration and continuous delivery (CI/CD) platform that automates software development workflows for developers. | The Modern Software Delivery Platform. |
| Category | CI/CD, DevOps, Developer Tools, Cloud Infrastructure | DevOps, Software Delivery, Cloud Native, Application Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2011 | 2017 |
| Headquarters | San Francisco, United States | San Francisco, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | Circleci | Harness |
|---|---|---|
| Employees | 359 | 1,625 |
| Open roles | 5 | Not published |
| Total funding | $1.5M | $815M |
| Latest round | Seed | Series E |
| Valuation | Not published | $5.5B |
| LinkedIn followers | 35,810 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Circleci | Harness |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 67/100 |
| Traction | 51/100 | 60/100 |
| Team | 30/100 | 60/100 |
| Community | Not published | 8/100 |
| Search visibility | 23/100 | 31/100 |
| Quality | 68/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (50/100) |
| Domain ratingLink authority, 0-100 | 85/100 | 78/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Circleci | Harness |
|---|---|---|
| Hosting | AWS | AWS |
| CDN | CloudFront | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | Google Tag Manager, Segment, Amplitude, Microsoft Clarity +2 more | Google Tag Manager |
| Support stack | HubSpot | Not detected |
| Open source | No | Yes |
What users say
| Measure | Circleci | Harness |
|---|---|---|
| Reddit sentimentThreads we track | 1 positive, 2 negative across 6 threads | Not published |
“I made a macOS menu bar tool that shows CircleCI builds.”r/swift
Circleci vs Harness: common questions
Which is better, Circleci or Harness?
On our 0-100 score Harness rates higher (67/100 against 55/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 21 data points above: read the rows that match what you are buying for.
How do Circleci and Harness compare on the numbers?
Harness leads on our overall score (67/100 against 55/100), headcount (1,625 against 359), funding raised ($815M against $1.5M).
What do real users say about Circleci and Harness?
Circleci: 1 positive and 2 negative mentions across 6 Reddit threads we track, mostly in r/swift.
Read the full Circleci review and pricing or the Harness review and pricing. You can also browse other Circleci alternatives we track.

