agent · content creation
Coauthor vs Free AI Humanizer
55 fields both were evaluated on, 24 of them different — including where one discloses something the other does not. Every value links to the document it came from. 31 further fields are disclosed by neither and are listed at the end rather than tabled.
Assurance
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Audit trail· | “Revision History Never lose your changes—easily access prior versions”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Explainability· | “Coauthor learns your voice through information you share during onboarding (including existing online writing), your interactions with the platform, and any additional writing samples you provide.”coauthor.studio · checked Aug 1, 2026 | restructures sentences, varies sentence length, and replaces stiff, formal phrasing with natural conversational flow “Rather than simple word-for-word synonym swapping, the underlying model restructures sentences, varies sentence length, and replaces stiff, formal phrasing with natural conversational flow — the goal is text that reads like a person wrote it, not just text with a few words changed.”freeaihumanizer.online · checked Aug 3, 2026 |
| Runtime governance· | “Note: “Unlimited” is subject to fair use to prevent obvious abuse.”coauthor.studio · checked Aug 1, 2026 | 500 words per day limit on free plan “The free plan includes 500 words per day; paid plans remove that limit”freeaihumanizer.online · checked Aug 3, 2026 |
| Permission scopes· | “You're always in full control of what you share.”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
Agency
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Human oversight· | “Coauthor will never post anything without your explicit review and consent. You're always in full control of what you share.”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Goal complexity· | “Transform Ideas Into Influential Content Daily ideas and LinkedIn posts that sound like you—not AI”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Action space· | “Posts + Images Turn quick thoughts into authentic posts with eye-catching visuals”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Operating environment· | “Preview on LinkedIn See what your post looks like on LinkedIn (desktop only)”coauthor.studio · checked Aug 1, 2026 | |
| Initiative· | “Wake up to fresh ideas researched for you and your audience”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
Safety
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Safety policy· | “Private and secure : We never post without your approval, and your data stays secure and private.”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Usage restrictions· | “Note: “Unlimited” is subject to fair use to prevent obvious abuse.”coauthor.studio · checked Aug 1, 2026 | submit illegal, defamatory, or hateful content; generate content intended to deceive others in ways that cause real harm; disrupt or reverse-engineer the Service; violate your school's or employer's rules on AI-assisted writing “Acceptable use. You agree not to use the Service to submit illegal, defamatory, or hateful content; to generate content intended to deceive others in ways that cause real harm; to disrupt or reverse-engineer the Service; or to violate your school's or employer's rules on AI-assisted writing.”freeaihumanizer.online · checked Aug 3, 2026 |
| Incident reporting· | no public information coauthor.studio · checked Aug 1, 2026 | contact section below “Questions, bug reports, or takedown requests can be sent through the contact section below.”freeaihumanizer.online · checked Aug 3, 2026 |
| Data handling· | “Your data is encrypted, securely stored, and only shared with necessary service providers like our AI partners and payment processors. Where available, we use AI service configurations intended to limit model training on your data. We'll delete your data upon request.”coauthor.studio · checked Aug 1, 2026 | “We do not save your submitted text in a database, and we do not read, review, or use it for any purpose other than returning your result.”freeaihumanizer.online · checked Aug 3, 2026 |
Practicality
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Pricing model· | “Introductory Pricing Essential For individuals establishing their online presence $ 14 /mo 30 monthly posts with unlimited refinements”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
| Price point· | no public information freeaihumanizer.online · checked Aug 3, 2026 | |
| Availability· | ||
| Deployment options· | “Coauthor is built for busy professionals who have valuable insights and expertise, but little time to consistently share their ideas”coauthor.studio · checked Aug 1, 2026 | |
| Integrations· | “Preview on LinkedIn See what your post looks like on LinkedIn (desktop only)”coauthor.studio · checked Aug 1, 2026 | ChatGPT, Gemini, Claude “Paste any ChatGPT, Gemini, or Claude output”freeaihumanizer.online · checked Aug 3, 2026 |
Foundation models
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Base models· | “our Multi-Model AI combines models from OpenAI, Anthropic, and Google Gemini”coauthor.studio · checked Aug 1, 2026 | single rewriting model (via Groq's API) “The site runs on a single rewriting model (via Groq's API)”freeaihumanizer.online · checked Aug 3, 2026 |
| Model provider· | “our Multi-Model AI combines models from OpenAI, Anthropic, and Google Gemini”coauthor.studio · checked Aug 1, 2026 | Groq “The site runs on a single rewriting model (via Groq's API)”freeaihumanizer.online · checked Aug 3, 2026 |
| Fine-tuning· | “Style Enhancement Add writing samples or custom instructions to adjust your voice”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
Ecosystem
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| Tool use· | “Fact Check Helps verify claims in your posts are well sourced.”coauthor.studio · checked Aug 1, 2026 | no public information freeaihumanizer.online · checked Aug 3, 2026 |
Impact
| Field | Coauthor | Free AI Humanizer |
|---|---|---|
| User base· | “Trusted by 300,000+ leaders and professionals worldwide”coauthor.studio · checked Aug 1, 2026 | |
| Deployment scale· | “Trusted by 300,000+ leaders and professionals worldwide”coauthor.studio · checked Aug 1, 2026 | free web-based tool “Free AI Humanizer is a free web-based tool”freeaihumanizer.online · checked Aug 3, 2026 |
Disclosed by neither
Both Coauthor and Free AI Humanizer publish nothing on these 31 fields. That is a finding about the category rather than a difference between them, so it is recorded here instead of as 31 identical table rows. Each is shown with its source check on the individual profiles.
- Autonomy level
- Target sectors
- High-risk domains
- Documented incidents
- Supported regions
- Support model
- Model swappable
- Open weights
- Context window
- Protocols supported
- Multi-agent
- API access
- Open source
- Marketplace presence
- Safety evaluations
- Red teaming
- Model or system card
- Third-party evaluations
- Insurance available
- Insurance carriers
- Coverage limits
- Indemnification
- Liability cap
- Tamper-evident log
- Compliance certifications
- Regulatory alignment
- Outcome-based pricing
- Settlement mechanism
- Dispute process
- SLA terms
- Evaluation coverage
Questions
- How do Coauthor and Free AI Humanizer compare on incident reporting?
- Coauthor: no public information disclosed. Free AI Humanizer: contact section below.