Writesonic's AI Search Growth Engine is a tier-gated product. Starter at $79/month tracks brand in ChatGPT only. Basic at $199/month adds Gemini and Google AIO. Growth at $399/month adds sentiment analysis. Enterprise unlocks all 10 AI platforms (Writesonic pricing page, May 2026).
RankAI ships pages, schema, and rewrites that earn AI search citations. Self-serve from $49/mo Starter (RankAI pricing page, May 2026). No tier-gating on engine coverage — the execution layer is available at Starter.
Below is the head-to-head: what each one does, what it costs, and which buyer profile each one fits.

