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AI implementation copilot for A/B testing

Turn test ideas into working variants.Without the developer wait.

Select the page or elements you want to change, describe the experiment, and work with an AI copilot that inspects the live site and writes the JavaScript and CSS. Preview, refine, and copy the implementation into your testing stack.

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No card required20 one-time trial creditsNothing is published

The demonstration makes three separate changes with VibeVariant.

Three changes applied and verified.

  1. Make this headline specific to building A/B test variants without developer delays.
  2. Give this hero more visual energy and stronger contrast.
  3. Make this primary CTA more prominent without changing its label.
Scripted live-page example
AI-generated JavaScript + CSSVerified on the live pageYour testing stack stays in place
From hypothesis to implementation

The experiment loop, without the implementation queue.

Keep the hypothesis, page context, generated code, and review loop in one browser-native workspace.

01

Scope the experiment

Choose one page, a URL family, or a multi-page journey. Select the elements that matter.

02

Describe the change

Explain the outcome in plain language and attach a visual reference when words are not enough.

03

Collaborate and verify

The copilot inspects the live page, asks when a decision is missing, and verifies its proposal.

04

Review and own the code

Preview the variant, refine it in chat or code, then copy the JavaScript and CSS into your workflow.

Live-page preview

Try the full workflow, one guided click at a time.

Select a real page element, send a ready-made instruction, and watch VibeVariant generate verified code that updates the live preview.

Interactive example · scripted instruction and result · no account or credits needed.

Select directly from the webpageGenerate and verify JavaScript + CSSInspect the code behind the update

Step 1 of 4. Select the element picker in the chat composer.

folk.example/experiments
Website experimentation

Build better
experiments.

Plan experiments, coordinate implementation, and keep the backlog moving.

Plan a test
Step 1 of 4. Select the element picker in the chat composer.
Step 1 of 4 · Interactive example

Select the hero

Website experimentation

Build better
experiments.

Plan experiments, coordinate implementation, and keep the backlog moving.

Plan a test

Choose the hero you want to change. In the extension, the element picker supplies its live-page context.

A tighter experiment loop

Implementation help that understands the page.

Start with focused visual context, collaborate with the copilot, and move into code whenever the detail calls for it.

Live-page context

Work from the real page, not an abstract prompt.

Point to a headline, card, button, or section. VibeVariant can inspect its DOM, styles, layout, and surrounding context.

Implementation copilot

Turn the hypothesis into working code.

Build through conversation. The copilot can inspect the page, ask a blocking question, and keep iterating with you.

Verified output

Review a proposal that has seen the page.

Candidate changes are validated and checked against the bound page before they are ready for your approval.

Code ownership

Inspect, edit, save, and copy every line.

Generated JavaScript and CSS stay visible in a focused editor when you want full implementation control.

Real experiment scopes

Target a page, a URL family, or a full journey.

Use exact, simple, or starts-with rules, plus named aliases for variants that span several pages.

Built for the backlog

The experiments you already know you should run.

Use VibeVariant where the hypothesis is clear and implementation is the part slowing the team down.

01

Hero messages and value propositions

02

CTA copy, placement, and styling

03

Pricing-page presentation

04

Navigation and content hierarchy

05

Product-page merchandising

06

Multi-page campaign consistency

VibeVariant workspace
Editable JavaScript + CSS
HandoffImplementation ready
Fits the stack you already use

VibeVariant builds the variant. Your stack runs the test.

Create, preview, verify, and refine the implementation in Chrome. Then copy the code into the experimentation platform and analytics workflow your team already trusts.

Verification checks the candidate against the page attached to your conversation. Review the result at your target screen sizes and test it in your platform before sending traffic to it.

  • Preview and approve the experience in Chrome
  • Copy editable JavaScript and CSS
  • Keep traffic delivery and measurement in your existing stack
See the code handoff
Simple credit-based pricing

Start with the full workflow. Pay for AI generations.

Twenty one-time trial credits let you build on real pages before choosing a monthly plan.

Every plan includes the full workflow. Choose the monthly AI allowance that fits your usage. All prices are in USD, before applicable tax.

Trial

Try the complete workflow before choosing a plan.

$0one time
20 trial credits · valid for 7 days
  • Visual element selection
  • Live-page preview and verification
  • Editable JavaScript and CSS
  • Single- and multi-page projects
View launch availability

Starter

For occasional experiments and focused iterations.

$19per month
200 credits / month
  • Visual element selection
  • Live-page preview and verification
  • Editable JavaScript and CSS
  • Single- and multi-page projects
View launch availability

Pro

For a steady testing rhythm.

$49per month
600 credits / month
  • Visual element selection
  • Live-page preview and verification
  • Editable JavaScript and CSS
  • Single- and multi-page projects
View launch availability
Best value

Studio

For frequent experiment builders and deeper iteration.

$99per month
1,400 credits / month
  • Visual element selection
  • Live-page preview and verification
  • Editable JavaScript and CSS
  • Single- and multi-page projects
  • Lowest cost per credit
View launch availability
Understanding credits

Pay for the work your request needs.

Credits reflect AI usage across inspection, clarification, generation, and verification. There is no fixed credit price per variant.

  • A focused copy editA smaller scope usually needs less work than a layout change.
  • A layout or styling changeMore page context and review can increase usage.
  • A multi-page variantEach page adds context and verification work. Usage varies with complexity.

Start with the 7-day trial and check your usage in Plan & credits to choose an allowance based on your own work.

Paid plans renew monthly until cancelled. Cancel before renewal to prevent the next charge. Payment refunds are separate from technical credit refunds; see the billing terms. Start a request while you have credits. We’ll finish that request even if it uses your remaining balance. Credits reflect actual AI usage. Technical failures are refunded. Monthly credits expire without rollover; each new allowance starts in full. Extra credit packs are available to active paid subscribers: 100 for $10, 250 for $25, or 500 for $50, USD before tax. Purchased credits never expire.

Good questions

Everything you need before your first variant.

Still deciding? Talk to the maker.

No. VibeVariant creates, previews, verifies, and refines the variant implementation. Use your existing experimentation platform to split traffic and your analytics stack to measure the result.

Experiment notes

Practical thinking for better variants.

Explore the blog
Public installation is not open yet

Explore the workflow before launch.

Try the guided example now. Public installation will open when the Chrome listing is live and paid billing is ready.

Try the guided demoAt launch, every new account includes the 7-day, 20-credit trial.