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Developer Tools · head to head

Buildkite vs Cisco Duo

Buildkite logo

Buildkite

Developer Tools

CI/CD pipelines that run on your own compute

From
Free
Free plan
Yes
Full reviewWebsite
Cisco Duo logo

Cisco Duo

Cybersecurity

Trusted access for all users, all devices

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Buildkite free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention; Cisco Duo free tier limited to 10 users maximum
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Buildkite and Cisco Duo actually diverge.

Attributes where Buildkite and Cisco Duo differ
AttributeBuildkiteCisco Duo
CategoryDeveloper ToolsCybersecurity

Identical on both: starting price (Free), pricing model (subscription), free tier (Yes), platforms (Web), user rating (Not yet rated).

What people use each for

The jobs each tool is most often brought in to do.

Buildkite

  • CI/CD pipeline automationnot Cisco Duo
  • Test execution at scalenot Cisco Duo
  • Deployment automationnot Cisco Duo

Cisco Duo

  • Eliminating phishing with passwordless authnot Buildkite
  • Implementing zero trust with device trustnot Buildkite
  • Protecting sessions from hijacking and theftnot Buildkite
  • Managing compliance for regulated industriesnot Buildkite

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Buildkite

  • Free plan caps at 5 users and 10 concurrent jobs, with 2,000 Linux vCPU minutes per month and 30 day build retention
  • Pro plan is $30 per active user per month, capped at 50 users, with only 10 of the up to 250 concurrent agents included before extra usage
  • Enterprise plan enforces a 30 user minimum even though pricing itself is custom
  • Hosted compute beyond included minutes is metered at $0.004 per vCPU minute on Linux and $0.02 per vCPU minute on Mac

Cisco Duo

  • Free tier limited to 10 users maximum
  • Licenses must be purchased in 10-user increments (under 100 users) or 25-user increments (100+ users)
  • Pricing is per-user per-month with minimum purchase increments

Pricing, plan by plan

Buildkite

Free
  • FreeFree
    • Up to 5 users
    • 10 concurrent jobs
    • 2000 Linux vCPU minutes monthly
  • Pro$30/month
    • Up to 50 users
    • 250 concurrent agents (10 included)
    • 4000 Linux vCPU minutes monthly
  • Enterprise$null/custom
    • Unlimited users (30 minimum)
    • Custom usage limits
    • Full platform access

Cisco Duo

Free
  • FreeFree
    • Multi-factor authentication (MFA)
    • Seamless integrations
    • Authenticator app
  • Essentials$3/month
    • All Free features
    • Duo Directory
    • Phishing-resistant MFA
  • Advantage$6/month
    • All Essentials features
    • Identity intelligence
    • Cisco Identity Intelligence (ISPM, ITDR)
  • Premier$9/month
    • All Advantage features
    • Complete device trust
    • VPN-less remote access

Which should you pick?

Choose Buildkite if

  • You want to start without paying.
Buildkite review

Choose Cisco Duo if

  • You want to start without paying.
Cisco Duo review

Questions people ask

Is Buildkite or Cisco Duo better?
Neither clearly leads. Buildkite starts at Free and Cisco Duo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Buildkite or Cisco Duo?
Buildkite starts at Free and Cisco Duo at Free.
Does Buildkite or Cisco Duo run on more platforms?
Both run on Web, so platform support will not decide this one for you.
Can I use Buildkite for free?
Both have a free tier, so you can try either at no cost before committing.
What is Buildkite best used for?
Buildkite is most often used for ci/cd pipeline automation, test execution at scale, deployment automation. Of those, ci/cd pipeline automation and test execution at scale are not what Cisco Duo is typically brought in for.

Answered from the vendors’ own pages

Buildkite: Can I use Buildkite without paying?

Yes, Buildkite offers a free plan that includes up to 5 users, 10 concurrent jobs, 2000 Linux vCPU minutes monthly, and 250k test executions per month at no cost.

Source
Cisco Duo: How much does Cisco Duo cost?

Cisco Duo Free is $0/user/month (up to 10 users). Paid plans start at $3/user/month (Essentials), $6/user/month (Advantage), and $9/user/month (Premier). Billing is per-user per-month.

Source
Buildkite: What happens if I exceed my included compute minutes on Buildkite?

Hosted agent compute is charged separately at $0.004 per Linux vCPU minute and $0.02 per Mac vCPU minute, billed to the second with no minimums.

Source
Cisco Duo: Is Cisco Duo free to try?

Yes, Duo Free offers multi-factor authentication and seamless integrations at $0/user/month for up to 10 users.

Source
Buildkite: Do I need an annual commitment for Buildkite's Pro plan?

No, Buildkite's Pro plan is billed monthly at $30 per active user with no long-term contract required. All tiers include a 30-day all-access trial.

Source
Cisco Duo: What is the minimum purchase for Cisco Duo?

Organizations must buy licenses in 10-user increments for under 100 users, or 25-user increments for 100 or more users. Plans are modifiable at any time.

Source
Buildkite: What user limits apply to each Buildkite plan?

Free plan supports up to 5 users, Pro plan supports up to 50 users, and Enterprise plan provides unlimited users with a 30-user minimum.

Source
Cisco Duo: What does the Advantage plan add over Essentials?

Advantage ($6/user/month) adds identity intelligence, Cisco Identity Intelligence (ISPM, ITDR), Duo Passport, session theft protection, Active Directory Defense, and risk-based authentication.

Source
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