Helix is an AI agent that runs 24/7 — writing headlines, testing variants, picking winners, and learning what converts for your audience.
Welcome to our platform
95.2% confidence · Winner declared in 18 hours
No credit card required. Free plan available.
No PhD in statistics required. No manual test setup. No waiting around for results.
Add a single script tag to your site. Works with Shopify, WordPress, Squarespace, Webflow, or any custom site. Takes 30 seconds.
<script src="https://cdn.helix.ai/v1.js" data-key="site_xxxxx" async></script>Point the agent at your headlines, CTAs, or landing page copy. Set your goal — more clicks, signups, or purchases. The agent does the rest.
The agent generates copy variants informed by proven viral frameworks, tests them against real traffic, picks winners with statistical rigor, and gets smarter over time.
Every feature exists because it moves the needle on conversions. No vanity metrics. No bloat.
Builds a unique Copy DNA profile for each site. Learns which hooks, tones, and structures resonate with your specific audience — and gets smarter with every test.
Full autopilot, semi-autonomous with approval gates, or fully manual — you choose how much control to give the agent. Change it any time.
No fixed sample sizes. Continuously updates confidence as data flows in. Declares winners at 95%+ probability. Handles low-traffic sites gracefully.
One script tag works on Shopify, WordPress, Squarespace, Webflow, and custom sites. No plugins to install. No developer needed.
Test any text element on your page. Headlines, subheadlines, call-to-action buttons, product descriptions, and landing page copy.
Every variant passes through a humanizer that strips formulaic patterns, matches your brand voice, and varies sentence rhythm. No one will know it's AI.
Everything you need to know about putting your copy optimization on autopilot.
Every day without testing is a day of lost conversions. Helix starts optimizing your website copy in minutes — no manual work required.
No credit card required. Free plan available.
AI-powered A/B testing that runs while you sleep.