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CircleCIAutonomous validation for the AI era
vs
HarnessAI Platform for the Autonomous SDLC
Comparison · CI/CD · weekly run Nov 3

CircleCI vs Harness

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

The short answer

CircleCI is the stronger AI pick in CI/CD: it has a visibility score of 36.9 versus 12.3 for Harness, and ranks ahead in 74% of the answers that name both.

Choose CircleCI if…

  • You want the brand AI engines rank higher (36.9 vs 12.3)
  • You need a self-hosted or on-premises option
  • You need FedRAMP Tailored (LI-SaaS) coverage
  • Usage-based pricing suits your budget better than flat tiers

Choose Harness if…

  • AI answers describe it more positively (52% vs 43% positive)
  • You need SOC 1 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

AI visibility side by side

Latest weekly run · Nov 3

Metric CircleCI Harness
Visibility score36.9%12.3%
Change vs last weekNewNew
Rank in CI/CD#4#11
Share of voice9%3.7%
Mentions this run5423
Positive in AI answers43%52%

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

Visibility score trend

Weekly runs over the last 60 days

0%25%50%75%100%Nov 3CircleCI 37%

CircleCI 0pp · Harness 0pp over 0 weekly runs.

Engine by engine

CircleCI leads on 3 of 3 engines

ChatGPT
43%
16.9%
AI Mode
29.8%
6.1%
Perplexity
38%
13.9%
CircleCIHarness

Head to head in AI answers

19 engine answers name both brands

14CircleCI ranked higher
5Harness ranked higher

Features, pricing & fit

DimensionCircleCIHarness
Pricing modelUsage-basedFlat tiers
Entry priceFree; paid from $15 / moContact sales
Free planYesYes
DeploymentCloud-hosted service with CircleCI compute and self-hosted runners, or self-managed on the customer's own infrastructureHarness 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+
ComplianceFedRAMP Tailored (LI-SaaS), SOC 2 Type IISOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017, ISO 27018, FedRAMP 20x Class A, GDPR
SupportCommunity support forum (all plans), Ticket-based global support (Performance and Scale plans), 8x5 and 24x7 SLA options as add-onsStandard 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
Founded20112017
HeadquartersSan Francisco, California, United StatesSan Francisco, California, United States
Employees201–5001,001–5,000
FundingSeries FSeries E · $570M raised
Best forEngineering teams that want fast, scalable CI/CD across cloud and self-hosted infrastructure, from startups to enterprisesEnterprise engineering and platform teams that want CI, CD, security and cost controls on one governed platform.

Plans side by side

CircleCI

Free$0month
Performance$15month
ScaleCustombilled annually
CircleCI pricing

Harness

Free Plan$0not stated
Essentials PlanCustomnot stated
Enterprise PlanCustomnot stated
Harness pricing

Pros and cons

Themes from the AI answers that mention each brand

CircleCI

  • fast builds and parallelism
  • flexible cloud and hybrid CI/CD platform
  • free tier with no credit card required
  • transparent usage-based credit pricing
  • rich integrations and insights
  • no standard annual discount
  • credit-based pricing less simple than flat rates

Harness

  • Strong enterprise release governance
  • Deployment safety and automated rollback
  • Deployment verification and progressive delivery
  • AI-driven pipeline optimization
  • Analyst recognition as a strong continuous delivery vendor

    Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run

    Cite as: SlateIndex, “CircleCI vs Harness”, https://slateindex.ai/compare/circleci-vs-harness, data of Nov 3, 2026. Licence: CC BY 4.0.