Trunk Flaky Tests vs Captain

Trunk Flaky Tests9.3Visit Captain8.8Visit

Higher score Trunk Flaky Tests #2 in Test Flakiness Management Software 9.3/10 Free plan Free plan✓ 0 of 5 features Visit Trunk

vs

Captain #5 in Test Flakiness Management Software 8.8/10 Free plan Free plan✓ 3 of 5 features Visit Captain

• Trunk Flaky Tests fits best

  Large CI estates needing broad framework coverage

• Captain fits best

  Open-source teams seeking low-cost flake analytics

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Side by side

Feature	Trunk Flaky Tests 9.3/10 Visit ↗	Captain 8.8/10 Visit ↗
At a glance
Editor score	9.3	8.8
Ranking	#2 in Test Flakiness Management Software	#5 in Test Flakiness Management Software
Best for	Large CI estates needing broad framework coverage	Open-source teams seeking low-cost flake analytics
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	$10/unit usage-based
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web, macOS, Linux
Support	Docs, Community	Email, Live chat, Community, Docs
Compliance	SOC 2	SOC 2
Integrations	15 integrations	5 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Trunk Flaky Tests 0/5 · Captain 3/5
Flake detection	Not checked yet	✓ (best)
Quarantine workflow	Not checked yet	✓ (best)
Failure clustering	Not checked yet	Not checked yet
Rerun policies	Not checked yet	✓ (best)
Issue tracker links	Not checked yet	Not checked yet
Specs
Supported frameworks	Android, Bazel, Behave, cargo-nextest, Cypress, Dart Test, Go, GoogleTest, Gradle, Jasmine, Karma, Kotest, Maven, minitest, Mocha, Nightwatch, NUnit, Pest, PHPUnit, Playwright, Pytest, Robot Framework, RSpec, Swift Testing, Testplan, Vitest, XCTest	xUnit, ExUnit, Ginkgo, go test, Bun, Cucumber, Cypress, Jest, Karma, Mocha, Playwright, TestCafe, Vitest, PHPUnit, pytest, unittest, Ruby Cucumber, minitest, RSpec
Our review
Pros	Supports 26 test frameworks and 12 CI providers AI groups related failures and analyzes failure reasons Automatic quarantine, historical tracking, and PR comments	Open-source mode includes detection, quarantine, retries, and partitioning Pro adds flaky-test analytics and 90-day performance retention Supports major CI platforms and a broad range of test frameworks
Cons	Team and Enterprise pricing may require clarification On-premise deployment is in private preview Its broad coverage may exceed smaller teams' needs	Integration coverage is narrower than some category alternatives Automatic partition rebalancing is limited to the Pro plan Advanced cloud analytics require paid usage-based pricing
Our verdict	Trunk Flaky Tests is a CI-focused platform for engineering and QA teams that need to identify inconsistent test behavior and reduce the disruption caused by flaky tests. It processes uploaded CI test results, detects flaky tests, groups… Read the review →	Captain is an open-source command-line tool and cloud service for software engineering teams managing unreliable test suites. It detects flaky tests, retries failed and flaky tests, supports quarantine workflows, partitions test suites… Read the review →

Strengths and trade-offs

• Trunk Flaky Tests — where it wins

  • Supports 26 test frameworks and 12 CI providers
  • AI groups related failures and analyzes failure reasons
  • Automatic quarantine, historical tracking, and PR comments

  Where it doesn't

  • Team and Enterprise pricing may require clarification
  • On-premise deployment is in private preview
  • Its broad coverage may exceed smaller teams' needs

• Captain — where it wins

  • Open-source mode includes detection, quarantine, retries, and partitioning
  • Pro adds flaky-test analytics and 90-day performance retention
  • Supports major CI platforms and a broad range of test frameworks

  Where it doesn't

  • Integration coverage is narrower than some category alternatives
  • Automatic partition rebalancing is limited to the Pro plan
  • Advanced cloud analytics require paid usage-based pricing

• Trunk Flaky Tests9.3/10 · Free plan

  A broad flakiness-management option for large, multi-framework CI estates.

  Visit TrunkFull verdict →
• Captain8.8/10 · Free plan

  A low-cost option for open-source teams needing flake detection and CI test controls.

  Visit CaptainFull verdict →