Markup AI (formerly Acrolinx) vs Originality.AI (2026): Pricing, Features & Which to Choose

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
Originality.AI
From $12.95/mo against from $249/mo
Free plan
Originality.AI
Only Originality.AI has one
Higher rating
Originality.AI
3.9 against 4.5
Same job?
Yes
Both are Writing tools

Side by side

Compared on	Markup AI (formerly Acrolinx)	Originality.AI
Our rating	3.9	4.5Better
Starts at	$249/mo	$12.95/moBetter
Free plan	No	YesBetter
Category	Writing	Writing
Plans	From $249/mo	Basic$0 Pro$14.95/mo, or $12.95/mo billed yearly Enterprise$179/mo, or $136.58/mo billed yearly
Key features	Content Guardian Agents that scan, score and fix content Checks for brand voice, terminology, persona fit and content integrity AI-search readiness checks: freshness, Q&A optimisation, snippet readiness, source authority Works in Google Docs, Word, ChatGPT, Claude, custom LLMs, API and MCP One-step fixes and automatic rewriting of flagged text	AI content detection independently benchmarked for accuracy against competing detectors Live-web plagiarism checking rather than a static, outdated reference database Bundled fact-checking, grammar review, and readability scoring in the same platform Confidence scoring with highlighted, section-by-section breakdown of flagged text API access on Enterprise plans for teams screening content programmatically
Pros	Published pricing with a free 30-day trial Governs AI-written and human-written content in the same workflow Enterprise heritage carried over from Acrolinx	Accuracy claims are independently benchmarked rather than only self-reported Bundles several content-integrity tools that would otherwise require separate subscriptions Live plagiarism checking catches duplicate content that static-database checkers miss
Cons	New brand and platform, so the track record on the new product is short Priced by words checked, which needs an annual volume estimate Some integrations, such as Figma, VS Code and AEM Guides, sit on the Enterprise tier	No unlimited free tier; the free AI checker is capped at a small word count Credit-based pricing requires tracking usage rather than a flat predictable monthly cost Positioned mainly at publishers and agencies, so per-seat cost adds up for larger content teams
Company	Markup AI	Originality.AI, founded 2022

Prices come from each vendor's pricing page, last checked 20260921. Check the vendor before you buy.

FAQ

Questions people ask

Is Markup AI (formerly Acrolinx) better than Originality.AI?

In our reviews Markup AI (formerly Acrolinx) scores 3.9 and Originality.AI scores 4.5. The better pick depends on the job. Markup AI (formerly Acrolinx): Content Guardian Agents that scan, score and fix human- and AI-written content against brand voice, terminology and style rules. Originality.AI: An AI and plagiarism detector built for publishers who need to verify content before it goes live.

Which is cheaper, Markup AI (formerly Acrolinx) or Originality.AI?

Originality.AI has the lower starting price: from $249/mo for Markup AI (formerly Acrolinx) and from $12.95/mo for Originality.AI.

Do Markup AI (formerly Acrolinx) and Originality.AI have free plans?

Only Originality.AI has a free plan.

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