Pick Koala AI if
publishers and SEOs who will pay Professional or Boost so Brand DNA + Deep Research sit on more than the 5,000-word trial.
Read the Koala AI pageKoala AI vs Writesonic
Our take
Pick Koala AI if publishers and SEOs who will pay Professional or Boost so Brand DNA + Deep Research sit on more than the 5,000-word trial. Pick Writesonic if sEO and content teams who care how they appear in ChatGPT-class answers. Skip Writesonic if people who need a cheap paraphraser (QuillBot) or inline grammar (Grammarly).
Writesonic
hosted SEO + AI-search (GEO) agent
Best for
Koala AI Publish on-brand SEO articles at volume
Writesonic Brand visibility in AI answers
Free plan
Koala AI No free plan
Writesonic No free plan
Lowest paid
Koala AI Starter $25/mo
Writesonic Basic $249/mo yearly
Next step up
Koala AI Extra brand slot $29/mo
Writesonic Growth $499/mo yearly
Coding agent
Koala AI Codex
Writesonic AI Agent chat
Runs where
Koala AI
Writesonic Hosted
Watch out
Koala AI $25 / $49 / $99 are monthly cards
Writesonic $79 is annual Starter
Last checked
Koala AI 2026-10-22 · koala.sh/pricing
Writesonic 2026-10-20 · docs.writesonic.com/docs/different-subscription-plans-of-writesonic
Which one, then?
Pick Writesonic if
sEO and content teams who care how they appear in ChatGPT-class answers.
Read the Writesonic page