Chromatic
A weekend of work, and real gaps remain.
Visual testing for component libraries: it renders every Storybook story on each commit and shows you what changed visually, with a review step before merging.
Build visual regression testing in your own CI. STACK - Playwright, your Storybook build, and baseline images committed to the repository THE HARD PART, NAMED FIRST - Flaky diffs. Fonts, animation and scrollbars make two renders differ on identical code - Always render in the same container image, never on a developer machine - Disable animation and transition globally, wait for fonts to load, and hide anything showing a date RENDERING - Iterate every story, screenshot at a fixed set of viewport widths - Deterministic file names so a baseline maps to exactly one story and width COMPARING - Pixelmatch with a small threshold; fail the build on any story over it - Publish the diff images as CI artefacts so they can actually be looked at APPROVING - Updating a baseline is a commit, reviewed like any other change - That commit is the approval step, and it is auditable Include the render script, the comparison and the container definition.
What you lose
- A rendering environment stable enough that a diff means a real change rather than a font rendering differently
- A review interface where a designer approves a visual change without reading code
- Parallel rendering of thousands of stories on every commit
If you would rather not build
- Loki, if you already use Storybook
The escape hatch
open source · no votes, no paid placement
BackstopJS
$0Visual regression testing with baselines and an HTML report.
garris/BackstopJSfree · open source
Playwright
$0Has screenshot comparison built in, including a diff report.
microsoft/playwrightfree · open source
Why this verdict
our own opinion · changed only by a person
60/100
Verdict kinda at 60. The comparison is easy; making renders deterministic is the whole difficulty, and the prompt names each cause of flakiness.
History
tracked since 10 Aug 2026 · nothing is ever overwritten
Nothing recorded yet. This chart fills in once the page has visitors, votes or prompt copies — it will not draw a flat line to look busy.
Questions about Chromatic
answered from the record above
Is Chromatic free?
No — the plan we track is $149 a month. Starter from around $149/month billed monthly, priced on snapshot volume; a free tier covers small projects.
Can you replace Chromatic by building your own?
ALMOST. A weekend of work, and real gaps remain. Replacement score 60 out of 100, build time a weekend. Read what you lose before you decide.
How much does Chromatic cost?
$149 a month on Starter — $1,788 a year. Recorded 10 Aug 2026.
What do you lose by replacing Chromatic?
A rendering environment stable enough that a diff means a real change rather than a font rendering differently; A review interface where a designer approves a visual change without reading code; Parallel rendering of thousands of stories on every commit. If any of those carry weight for you, keep paying.
Is there an open-source alternative to Chromatic?
Yes: BackstopJS, Playwright. The prompt on this page is for when you want it your way instead.
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