§01SEO Professionals
Brand Voice training · Originality bypass · REST API access on Pro

HumanGPT for SEO.

You're scaling content with AI. Your clients are running Originality.ai. HumanGPT rewrites AI content so it passes detection while keeping your target keywords, internal links, and SEO structure intact. Free 200 words a day.

§02The problem

The SEO content problem

AI-generated content is now the industry standard for scaling SEO output. Agencies produce hundreds of articles per month using GPT-5.5 and Claude. The quality is good enough. The problem is detection.

Google has stated that AI-generated content isn't inherently penalized, but low-quality, mass-produced AI content gets filtered. Originality.ai and Copyleaks are what clients and publishers run before paying for content. Getting flagged means not getting paid.

Basic paraphrasers destroy SEO structure. They change your target keywords. They break internal link anchor text. They alter meta descriptions. You need a humanizer that understands SEO content structure.

Multilingual SEO adds another layer. If you're producing content in Spanish, French, or German for international markets, you need native-quality humanization, not translated English patterns.

§03The solution

How HumanGPT serves SEO professionals

Brand Voice training. Lock your target keywords, brand names, internal link anchors, and technical terms. They pass through the rewrite untouched. Your on-page SEO survives.

Marketing purpose mode. Select Marketing and the rewriter preserves persuasive structure, CTAs, and conversion-focused language while adding human variance patterns.

REST API access on Pro. Produce humanized content in Spanish, French, German, Portuguese, Arabic, and 25+ more languages. Each language pipeline uses native patterns, not translated English.

Batch processing. Pro users can process multiple articles quickly. The API supports programmatic humanization for content pipelines.

Originality.ai bypass. Specifically tested weekly against Originality, the detector SEO clients use most. 99.4% bypass rate.

§02The thing itself

Paste the AI text. Get back something a human would actually write.

free 200 words a day.
no signup. no card.
Strength
Freeze
paste your AI text
0 words·free quota: 200/day
human version
Your humanized version shows up here. Looks like something a real person typed, reads smoother, and the detectors stop flagging it. That's the whole pitch.
waiting on input
§02bOne paste, three engines

The same tool runs a different pipeline on each plan.

Free is one fast pass. Pro adds a real-detector feedback loop. Founders runs the loop with the strongest pass on the last iteration. Same input, measurably different output quality.

you are here
Free

Single pass.

Fast. Free forever. No signup.

  • One humanize pass through the engine
  • 3 voice profiles, 2 reading levels
  • 200 words a day, no card needed
  • Brand Voice training supported (Pro)

Good for casual use and one-off rewrites.

Pro · $10 / mo

Two-pass detector loop.

The engine corrects what the detector flags.

  • Pass 1 humanizes, then a real detector scores it
  • Pass 2 fixes whatever was still flagged
  • Two-model 2nd-opinion pass + Brand Voice training
  • Side-by-side compare + searchable run history
  • 50,000 words a month, API access

Right for everyday work where the output has to pass a real scan.

Founders · $199 lifetime

Three passes, hardest pass last.

The toughest input gets the most thorough rewrite.

  • Three full passes through the loop
  • Final pass runs on the strongest model tier
  • Every Pro feature included
  • Unlimited words, for life
  • Capped at 100 seats, ever

For dissertations, legal briefs, and anything strict detectors will scan.

★ bypass rate by tier · 30-day rolling
methodology ↗
  • Free
    Single pass
    96.4%
  • Pro
    Two-pass detector loop
    99.6%
  • Founder
    Three passes, strongest model last
    99.8%
Averages from every run at each tier, rolling 30 days. We test against all 7 detectors each Monday — the worst-performing one is what we patch toward.
§04Use cases

SEO use cases

  1. 01

    Blog articles at scale. Generate with AI, humanize with HumanGPT, publish with confidence.

  2. 02

    Product descriptions. E-commerce content that passes detection while maintaining conversion-focused copy.

  3. 03

    Landing pages. SEO-optimized landing pages with frozen target keywords and humanized body copy.

  4. 04

    Guest posts. Content for third-party publications that run Originality or Copyleaks before accepting.

  5. 05

    Multilingual content. International SEO content humanized natively in the target language.

  6. 06

    Content refreshes. Update existing AI-generated content that's already published but might get flagged retroactively.

§05Comparison

How it compares.

HumanGPT for SEO Professionals
FeatureHumanGPTUndetectable AIManual editing
Brand Voice trainingYesNoManual
Originality bypass99.4%Claims 95%+Varies
Languages30+LimitedOne at a time
API accessYesYesNo
Cost (monthly)$10/50K words~$10/mo$50+/hour
TurnaroundSecondsSecondsHours
§06SEO Professionals questions

SEO Professionals FAQ.
Straight answers.

  • No. Use Brand Voice training to protect them. They pass through the rewrite exactly as entered.

  • Yes. We test weekly against Originality. Our bypass rate is 99.4%. Your clients' scans will show human content.

  • Yes. REST API access on Pro. Spanish, French, German, Portuguese, Arabic, Japanese, and more.

  • Yes. Pro users get API access for programmatic humanization. Documentation at humangpt.io/api-docs.

  • Google penalizes low-quality content, not AI content specifically. HumanGPT produces natural, readable text that maintains content quality.

  • Free: 200 words/day. Pro: 50,000 words/month ($10). Lifetime: unlimited words ($199 one-time).

★ bottom line

SEO agencies scale with AI. Clients scan with Originality. HumanGPT bridges the gap. Freeze your keywords, humanize the prose, pass detection. Free 200 words a day.

Try HumanGPT free