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Head to head · 2026

Runner AI vs SITE123

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Runner AI

Generates an online store from a prompt, then keeps A/B testing it without being asked

3.8$20/mo

Visit Runner AI (opens Runner AI in a new tab)

SITE123

Website builder with free hosting, a free subdomain and an AI app builder in chat

3.7$12.8/mo

Visit SITE123 (opens SITE123 in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    SITE123

    From $12.8/mo against from $20/mo

  • Free plan

    Tie

    Both have one

  • Higher rating

    Runner AI

    3.8 against 3.7

  • Same job?

    Yes

    Both are Design tools

Side by side

Compared onRunner AISITE123
Our rating3.8Better3.7
Starts at$20/mo$12.8/moBetter
Free planYesYes
CategoryDesignDesign
PlansFrom $20/moFrom $12.8/mo
Key features
  • Storefront generated from a prompt
  • AI product sourcing and listing generation
  • Automatic A/B testing and conversion optimisation
  • SEO tools, CRM and loyalty programmes
  • Smart checkout and custom domain on paid plans
  • No-code structured website editor
  • AI App Builder driven by a chat description
  • Free hosting and free subdomain
  • Online store and SEO tools
  • Royalty-free image bank and CDN storage
Pros
  • Keeps optimising after launch, which small shops never do
  • Sourcing, SEO, CRM and checkout included rather than bolted on
  • Free tier to build before paying to publish
  • Genuinely free published site, not a trial
  • Hosting and CDN included rather than sold separately
  • 24/7 live chat support
Cons
  • Free tier cannot publish and caps at 20 products
  • Credit metering means an active store climbs tiers
  • A/B testing needs traffic a new store does not have
  • Structured editor trades design freedom for simplicity
  • The free subdomain signals a free site to visitors
  • Custom domain requires annual billing paid upfront
CompanyRunner AISITE123

Prices come from each vendor's pricing page, last checked 20260814. Check the vendor before you buy.

FAQ

Questions people ask

Is Runner AI better than SITE123?

In our reviews Runner AI scores 3.8 and SITE123 scores 3.7. The better pick depends on the job. Runner AI: Generates an online store from a prompt, then keeps A/B testing it without being asked. SITE123: Website builder with free hosting, a free subdomain and an AI app builder in chat.

Which is cheaper, Runner AI or SITE123?

SITE123 has the lower starting price: from $20/mo for Runner AI and from $12.8/mo for SITE123.

Do Runner AI and SITE123 have free plans?

Yes, both have a free plan.

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