Humbot

Web · API · paid plans from $0.67/mo

Freedom report

One barScore 5.4

  • Free tierNo free tier on record
  • Open codeNo open-source code on record
  • Runs widely1 of 6 device platforms
  • DocumentedPlans, terms and facts published

Humbot is an AI study and writing assistant with tools for humanizing content, detecting AI writing, checking plagiarism, and improving clarity. Its suite also includes an article rewriter, grammar checker, summarizer, ChatPDF, translator, citation generator, math solver, and quiz generator. ChatPDF can summarize PDFs and answer questions about them; the summarizer accepts videos, webpages, and long documents. The translator supports more than 100 languages, and the API humanizer supports more than 50. The citation generator offers more than 40 styles and can create citations from titles, content, URLs, DOIs, and ISBNs. Humbot says its AI detector checks against services including Originality.ai, ZeroGPT, Turnitin, and GPTZero. Its intended audiences include students, content creators, freelancers, ESL learners, business professionals, and educators. The service has a free plan and web and API access; its API can be tried free for up to 250 words. Basic is listed at 7.99 USD per year, billed annually, and API pricing begins at 30.00 USD per month. API service is suspended at the word limit until additional credits are purchased.

Who it is for

Humbot suits students, educators, and writers who want a set of study and writing tools in one service. Its language and document tools may also suit ESL learners and business professionals.

What is good

  • Includes humanizing, rewriting, and grammar tools
  • ChatPDF summarizes PDFs and answers questions about them
  • Translator supports more than 100 languages
  • Citation generator supports more than 40 styles
  • Free API tryout covers up to 250 words

What to know first

  • Basic plan has a 500-word input limit
  • Basic plan includes 3,000 basic words monthly
  • API service suspends at the word limit
  • Additional API word credits are needed to resume

Verdict

Humbot brings writing, study, and document tools together, with both web and API access. Review the plan input and word limits, particularly if you expect to use the API.

Humbot plans and pricing

All plans
Basic $7.99/yr billed annually 3,000 basic words/month · 1,000 advanced words/month · 500-word input limit humbot.ai · 21 Sept 2026
Pro $9.99/yr billed annually 30,000 basic words/month · 5,000 advanced words/month · 1,200-word input limit humbot.ai · 21 Sept 2026
Unlimited $9.99/yr billed annually Unlimited basic words/month · 10,000 advanced words/month · Unlimited-word input limit humbot.ai · 21 Sept 2026
API Monthly $30/mo month-to-month billing 50,000 words/month · 2,000-word input limit humbot.ai · 21 Sept 2026
API Yearly Not published 50,000 words/month · 2,000-word input limit humbot.ai · 21 Sept 2026
API $30/mo $30/month for 50,000 words; API pricing begins at this amount. 50,000 words/month · 2,000-word input limit · Email support humbot.ai · 30 Sept 2026

Compared on AI content detection software

Free plan
Yes
Paid from
$7.99/mo
API access
Yes

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