Originality.ai™ vs Lilac

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Originality.ai™ compared with Lilac
Detail	Originality.ai™	Lilac
What it does	Most accurate AI detector for identifying ChatGPT, GPT-5, Gemini and other AI-generated content	Outcome verification for AI agents
Stage	Not given	MVP
Founded	2022	Not given
Based in	CA	Not given
Pricing model	Freemium	Not given
Pricing	Not given	Not given
Key features	AI Checker - detect ChatGPT, GPT-5, Gemini, Claude, Grok and other AI writing tools Plagiarism Checker - identify plagiarism and duplicated content Writing Replay - shows authorship and writing process in browser extension Chrome Extension and Google Docs integration Moodle plugin for academic integrity checking Fact & AI Hallucination Checker Grammar and Spelling Checker Readability Checker and Content Quality Score API access for developers and integrations Bulk Scan for multiple texts at once	Determines if agents are serving user intents Verifies task completion Distinguishes between error-free runs and actual user satisfaction
What makes it different	Proven accuracy in peer-reviewed third-party studies Trained on adversarial data to detect AI paraphrasing attempts Writing Replay feature proves human authorship Multi-product platform with plagiarism, grammar, fact-checking and readability tools Enterprise security with military-grade 256-bit encryption	Verifies actual agent outcomes rather than just technical success
Community votes	0	0
DR (Domain Rating by Ahrefs)	79 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	24	0
Citation Flow (Majestic)	49	0
Referring domains (Majestic)	7344	0

3 details filled in for both companies.

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