Humanize AI
7.3#5 in ai text humanizersFrom $14 a monthFree planWebAPI
VisitHumanize AI vs WriteHuman
WriteHuman
8.0#3 in ai text humanizersFrom $144 a yearFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Humanize AI | WriteHuman |
|---|---|---|
| AI detector | The platform includes an AI-content detector that analyzes how AI-like submitted text appears. | The product includes a detector that reports AI probability for individual sentences. |
| API authentication | The API uses a bearer API key, and newly created keys are displayed for only 15 seconds before being hidden. | API requests use revocable Bearer API keys, with up to five keys available per account. |
| Company size | LinkedIn lists HumanizeAI.com as privately held, headquartered remotely in the United States, with 2–10 employees. | LinkedIn lists the company as privately held with 2–10 employees. |
| Headquarters | Sheridan, Wyoming, United States | Arlington, Virginia, United States |
| Input sources | The site says it works with text generated by ChatGPT, Gemini, Copilot, Claude, and other AI writing tools. | The site says it works with writing from ChatGPT, Claude, Gemini, Grok, DeepSeek, or other AI writing tools. |
Humanize AI plans
- FreeFree
- Essential$14 a month
- Standard$24 a month
- Pro$59 a month
WriteHuman plans
- FreeFree
- Basic$20 a month
- API Standard$29 a month
- Standard API$29 a month
- Pro$29 a month
- Ultra$59 a month
Pick Humanize AI if…
Humanize AI may suit people revising AI-generated English text who want rewriting and related writing tools in one service. Its word limits and human-review requirement matter to users with larger workloads or automated publishing plans.
Pick WriteHuman if…
WriteHuman is aimed at marketers, freelancers, professionals, content creators, and agencies who want to rewrite AI-generated text or check writing with an AI detector. Developers may also find the REST API relevant.