ToHuman vs Open Atelier

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

ToHuman compared with Open Atelier
Detail	ToHuman	Open Atelier
What it does	Make AI text undetectable in seconds	A writing teacher that reads your book: see what to work on in your chapters, learn why, and check your fix.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 2,500 words per month, all intensities, API access (60 requests/min), document history, no credit card required. Pro: $19/month for 100,000 words per month, 300 requests/min API limit, priority support. Word pack: $9 for 50,000 words with no expiration or subscription.	Free plan includes the editor, rule-based chapter check, and lessons with 3 Coach reads, 20 Co-write requests, and 10 questions per month. Atelier plan: $21/month or $189/year (with 3 months free annually) includes 40 Coach reads, 250 Co-write requests, and 150 questions per month. Additional packs:
Key features	Self-hosted fine-tuned language model Three intensity levels per request 3-5 second average response time Content never used for training Works with any AI model Webhook support for real-time events Dashboard with API key management Document history and web-based interface	Rule-based chapter check for dialogue, continuity, point of view, prose and scene habits Findings anchored to your text with linked lessons Exercises on your own passage with re-check Three modes: Human only, Coach, or Co-write Authorship record tracking sources: typed, pasted, imported, or AI-generated Story bible for characters, places and facts over time Import from Word, PDF, Scrivener and other formats Version history for each chapter Export to Word, EPUB, PDF, Markdown and plain text Claude Sonnet 5.5 from Anthropic for AI features
What makes it different	Rewrites sentence structure and rhythm, not just synonyms Completely private with no data sharing or third-party APIs Simple integration with any HTTP client Generous free plan without credit card requirement API-first design for programmatic use at scale	Your writing is never used to train AI models Transparent authorship record shows exactly how each sentence arrived AI is optional and controlled per manuscript, with rule-based checks available free Interactive feedback loop with practice exercises before re-checking No API keys or token counting; simple per-action pricing
Community votes	0	0
DR (Domain Rating by Ahrefs)	30 +1 (up) since last check	18 no change since last check
Trust Flow (Majestic)	6	0
Citation Flow (Majestic)	27	19
Referring domains (Majestic)	56	6

5 details filled in for both companies.

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