Woodstitch vs Lilac

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

Woodstitch compared with Lilac
Detail	Woodstitch	Lilac
What it does	Human evaluation for text-to-speech with blinded listening studies	Outcome verification for AI agents
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Paid	Not given
Pricing	$18.00 per hour of audio heard by listeners; $0.30 per judgement on a pair of two 30-second clips; $300.00 for 200 pairs × 5 ratings with 30-second clips (1,000 judgements)	Not given
Key features	Blinded paired-preference studies with no system names visible API for creating studies and retrieving results Exact price quote before study starts Per-judgement data export as CSV Paid US-based listener panel Attention signals recorded with every judgement Live results streaming as listeners answer Detection template for AI vs human narration Published methodology and platform transparency	Determines if agents are serving user intents Verifies task completion Distinguishes between error-free runs and actual user satisfaction
What makes it different	Publishes its own listening studies on the same platform with the same methodology as customer studies Forced-choice preference testing answers which system people prefer, not rating scales Fast turnaround with live result streaming and no minimum study size Transparent pricing with no setup fees or minimums, quoted before starting Customer audio stored securely and used only for that study	Verifies actual agent outcomes rather than just technical success
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 +2 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	0
Citation Flow (Majestic)	24	0
Referring domains (Majestic)	69	0

3 details filled in for both companies.

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