Originality.ai: What It Does, Pricing and Who Should Skip It

Updated 2026-10-18 · Facts checked 2026-10-18 · No hands-on testing, no scores

Originality.ai checks text for AI generation and plagiarism, and adds readability, fact-checking and editorial-guideline checks, bulk scans and a Chrome extension.

At a glance

Visit Originality.ai

Who it’s for

Publishers, editors and agencies that check freelance content at volume and understand detectors give probabilities, not proof.

Who should skip it

Students or teachers looking for a definitive verdict on whether someone used AI: several reviewers say it flagged their own human writing as AI.

Pricing (checked 2026-10-18)

• Pro: $12.95/month billed yearly ($155.40), or $14.95 month to month
• Enterprise: $136.58/month billed yearly, or $179 month to month
• Extra team seats: $8.62–$9.95/month

Free tier or trial

not stated on the pricing page we read.

Notable complaints

Trustpilot: 4.6/5 from 1,360 reviews (checked 2026-10-18). Ratings depend heavily on how actively a company asks for reviews, so we don’t rank by them.

Recurring themes from public reviews, paraphrased. Each is one customer’s account, which we haven’t verified.

• Several recent reviewers say it marked text they wrote themselves as 100% AI. Source
• A long-time user said a model update made the product unusable for them. Source

Alternatives in Writing

• Grammarly: Free: $0/month
• Koala AI: Starter: $25/month (45,000 words)
• ProWritingAid: Premium: $30/month billed monthly, or $10/month billed yearly ($120)
• QuillBot: not stated: QuillBot’s upgrade page blocked our automated check on 2026-10-18; confirm the current Premium price on quillbot.com/upgrade

Sources

1. Originality.ai official site (checked 2026-10-18)
2. Originality.ai pricing page (checked 2026-10-18)
3. Originality.ai reviews on Trustpilot (checked 2026-10-18)