Trunk Flaky Tests vs Datadog Test Optimization

Trunk Flaky Tests9.3Visit Datadog Test Optimization8.7Visit

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

Datadog Test Optimization #6 in Test Flakiness Management Software 8.7/10 14-day trial Free trial✓ 4 of 5 features Visit Datadog

• Trunk Flaky Tests fits best

  Large CI estates needing broad framework coverage

• Datadog Test Optimization fits best

  Datadog users needing affordable flake controls

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Side by side

Feature	Trunk Flaky Tests 9.3/10 Visit ↗	Datadog Test Optimization 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#2 in Test Flakiness Management Software	#6 in Test Flakiness Management Software
Best for	Large CI estates needing broad framework coverage	Datadog users needing affordable flake controls
Pricing model	Free plan + paid	Paid
Starting price	—	$20/user/mo
Free plan	✓ (best)	—
Free trial	—	14 days
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web	Web
Support	Docs, Community	Live chat, Email, Community, Docs
Integrations	15 integrations	4 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Trunk Flaky Tests 0/5 · Datadog Test Optimization 4/5
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	✓ (best)
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	JUnit 4, JUnit 5, TestNG, Spock, Cucumber, Karate, Scalatest, Scala MUnit, Scala Weaver, Jest, Mocha, Cypress, Playwright, Vitest, RSpec, Minitest, pytest
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	Automatic detection, quarantine policies, retries, and early flake detection Traces, stack traces, and Test Impact Analysis support failure investigation Integrates with Jira, GitHub, GitLab, and Azure DevOps
Cons	Team and Enterprise pricing may require clarification On-premise deployment is in private preview Its broad coverage may exceed smaller teams' needs	There is no free plan for teams wanting a no-cost starting point Annual pricing is tied to active Git committers Monthly on-demand pricing is higher at $29 per committer
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 →	Datadog Test Optimization is a CI test visibility and flaky-test management product for software and platform engineering teams. It instruments and traces tests to show test health, performance, reliability, failures, and flakiness. Teams… 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

• Datadog Test Optimization — where it wins

  • Automatic detection, quarantine policies, retries, and early flake detection
  • Traces, stack traces, and Test Impact Analysis support failure investigation
  • Integrates with Jira, GitHub, GitLab, and Azure DevOps

  Where it doesn't

  • There is no free plan for teams wanting a no-cost starting point
  • Annual pricing is tied to active Git committers
  • Monthly on-demand pricing is higher at $29 per committer

• Trunk Flaky Tests9.3/10 · Free plan

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

  Visit TrunkFull verdict →
• Datadog Test Optimization8.7/10 · 14-day trial

  A focused Datadog option for detecting, governing, and investigating flaky CI tests.

  Visit DatadogFull verdict →