Originality.ai review

Originality.ai is aimed at publishers and agencies that buy content and want proof it was written by a person. Every plan uses credits worth 100 words, and Pro gives 2,000 credits, or 200,000 words, each month for $12.95 on annual billing or $14.95 monthly. The same credits run an AI checker, plagiarism checker, fact and hallucination checker, readability score and a guideline checker, so an editor can run one report on a freelance draft. Pro adds bulk scans, file uploads, shareable reports and team management, and extensions cover Chrome, Google Docs and Firefox. Schools can use the Moodle plugin. The free tier is limited to a one-time 10,000 words, Pro keeps 30 days of history, and API access only arrives with Enterprise at $136.58 a month billed annually. We compared documented features and published prices.

Who it is for

Publishers and content agencies checking freelance copy

Price

Free tier with 10,000 one-time words; Pro $12.95 per month billed annually.

$12.95/month You will be billed yearly for an amount of: $155.4 ($12.95 x 12 months)
Quoted from the vendor pricing page on November 12, 2026.

Key features

• Pro includes 200,000 words (2,000 credits) a month
• AI checker, plagiarism checker, fact checker and readability score in one plan
• Bulk scan, shareable reports and PDF downloads on Pro
• Chrome, Google Docs and Firefox extensions plus a Moodle plugin
• Enterprise adds API access and 1.5 million words a month

Strengths and weaknesses

• Strength: Pro costs $12.95 a month on annual billing
• Strength: One credit covers 100 words, so costs are easy to estimate
• Strength: Team seats can be added to Pro for $8.62 a month on annual billing
• Weakness: The free tier is a one-time 10,000 words, not a monthly allowance
• Weakness: API access requires the Enterprise plan at $136.58 a month billed annually
• Weakness: Pro keeps only 30 days of scan history

Key facts

• Free tier: 10,000 words one time
• Pro words: 200,000 a month
• API: Enterprise plan

Where it ranks

Originality.ai is No. 3 in our Best AI Detectors verdict.