HarnessAI Platform for the Autonomous SDLC
vs
SpinnakerMulti-cloud continuous delivery for the enterprise
Comparison · CI/CD · weekly run Nov 3
Harness vs Spinnaker
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 0.3 for Spinnaker, and ranks ahead in 100% of the answers that name both.
Choose Harness if…
- You want the brand AI engines rank higher (12.3 vs 0.3)
- AI answers describe it more positively (52% vs 0% positive)
- 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
- Strong enterprise release governance
Choose Spinnaker if…
- Recommended for enterprise progressive delivery and release governance
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Harness | Spinnaker |
|---|---|---|
| Visibility score | 12.3% | 0.3% |
| Change vs last week | New | New |
| Rank in CI/CD | #11 | #32 |
| Share of voice | 3.7% | 0.2% |
| Mentions this run | 23 | 1 |
| Positive in AI answers | 52% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Harness 0pp · Spinnaker 0pp over 0 weekly runs.
Engine by engine
Harness leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
HarnessSpinnaker
Head to head in AI answers
1 engine answers name both brands
1Harness ranked higher
0Spinnaker ranked higher
| Prompt | Engine | Harness | Spinnaker |
|---|---|---|---|
| What are the best CI/CD tools in 2026? | Perplexity | #9 | #15 |
Features, pricing & fit
| Dimension | Harness | Spinnaker |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Contact sales | — |
| Free plan | Yes | — |
| Deployment | 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. | Self-installed open-source platform |
| Integrations | 40+ | — |
| Compliance | SOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017, ISO 27018, FedRAMP 20x Class A, GDPR | — |
| Support | 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 | Slack community, Documentation and GitHub |
| Founded | 2017 | 2015 |
| Headquarters | San Francisco, California, United States | — |
| Employees | 1,001–5,000 | — |
| Funding | Series E · $570M raised | — |
| Best for | Enterprise engineering and platform teams that want CI, CD, security and cost controls on one governed platform. | Enterprises that want to standardize release processes across multiple clouds |
Plans side by side
Harness
Free Plan$0not stated
Essentials PlanCustomnot stated
Enterprise PlanCustomnot stated
Spinnaker
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
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
Spinnaker
- Recommended for enterprise progressive delivery and release governance
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Harness vs Spinnaker”, https://slateindex.ai/compare/harness-vs-spinnaker, data of Nov 3, 2026. Licence: CC BY 4.0.