What's CI chaos costing you?

Broken builds and flaky tests block engineers and burn through CI budget. Here's what it actually costs your team.

Step 1

Tell us about your team

Engineers40

PRs merged / day36

CI duration (longest job)20min

Wall-clock time of the slowest job in your pipeline

Parallel CI jobs5

Total CI time consumed per run: 100 min

CI failure rate?Based on 100,000+ CI check rounds across Mergify customers over 90 days.Failure rate reflects test-suite quality, not team size.10%

Best

Median

30%+

Struggling

Flaky test rate?Share of CI runs that fail for non-real reasons (flaky tests, infra glitches).Typically ~1/3 of your total CI failure rate. The upper bound is your CI failure rate, since flaky failures are a subset of all CI failures.3%

Best

Median

10%+

Struggling

Step 2

What does time and CI cost you?

CI provider

Engineer hourly cost$72

US median: $72/hr (Glassdoor, 2026)

CI cost per minute$0.012

Adjust if your setup differs from the provider default

Step 3

The cost of CI chaos

Broken main

Incidents?At 16 concurrent changes, there's a 40% chance of CI breaking.Source: Keeping Master Green at Scale (Uber, EuroSys 2019)

8/mo

Engineering hours wasted?Each incident: ~1h to investigate and fix + about 8 engineers (~20% of the team) losing ~25min to rebase or switch tasks.

investigation, reverts, blocked engineers

32h/mo

$2k/mo

CI minutes wasted

failed reruns triggered by broken main

3,324/mo

$40/mo

Without merge queue

~5 PRs merging at once

With merge queue

Flaky tests

Flaky CI runs?Every PR goes through ~10 CI runs (initial push + review feedback + fixes). A share of them fail due to flaky tests or infra glitches, not real bugs — typically ~1/3 of your CI failure rate.

CI runs that fail for non-real reasons

216/mo

Engineering hours wasted?~10 min per flaky run: engineer checks logs, reruns CI, waits for green.

investigating false failures, manually retrying

36h/mo

$3k/mo

CI minutes wasted

re-running flaky CI pipelines

21,600/mo

$259/mo

Without quarantine

Test runs

Engineers stop, investigate, manually retry

With auto-retry + quarantine

Flaky tests auto-retry or get quarantined (Q)

Total monthly cost

$5k

Step 4

Your ROI with Mergify

Mergify cost?40 engineers × $25/seat/month.Actual pricing depends on plan and volume. See pricing.

$1k/mo

Net savings

$4k/mo

Annual savings?CFOs typically expect a 2-5x ROI on SaaS tools. Anything above 5x is considered exceptional.Source: SaaS benchmarks

$50k

5.2x ROI on Mergify

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