Undetectable AI vs WriteHuman

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Undetectable AI

See full pricing history

USD · US · source: undetectable.ai

Plan	Pricing	Charged by	Offer type
10K words/month — default	USD 9.99 monthly · USD 5 / month with annual commitment $5.00 /mo Charged annually $60.00	Usage · 10K words/month	Standalone · Fixed
20K words/month — default	USD 19 monthly · USD 9.5 / month with annual commitment $9.50 /mo Charged annually $114.00	Usage · 20K words/month	Standalone · Fixed
35K words/month — default	USD 31 monthly · USD 15.75 / month with annual commitment $15.75 /mo Charged annually $189.00	Usage · 35K words/month	Standalone · Fixed
50K words/month — default	USD 42.5 monthly · USD 21.25 / month with annual commitment $21.25 /mo	Usage · 50K words/month	Standalone · Fixed

WriteHuman

See full pricing history

USD · US · source: writehuman.ai

Plan	Pricing	Charged by	Offer type
Free — Free	Free Free	Flat	Standalone · Free
Basic — Basic	USD 12 monthly · USD 12 / month with annual commitment $12/mo billed annually	Flat · $12/mo billed annually	Standalone · Fixed
Pro — Pro Highlighted	USD 18 monthly · USD 18 / month with annual commitment $18/mo billed annually	Flat · $18/mo billed annually	Standalone · Fixed
Ultra — Ultra	USD 36 monthly · USD 36 / month with annual commitment $36/mo billed annually	Flat · $36/mo billed annually	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Undetectable AI

10K words/month — default

Highlights Passes AI detectors: Included
Highlights High quality, legible content: Included
Highlights Watermark and future proof: Included
Highlights Writing level matching: Included
Highlights API compatible: Included
Highlights Unlimited Human Auto Typer: Included
Highlights Unlimited AI Detecting: Included

20K words/month — default

Highlights Passes AI detectors: Included
Highlights High quality, legible content: Included
Highlights Watermark and future proof: Included
Highlights Writing level matching: Included
Highlights API compatible: Included
Highlights Unlimited Human Auto Typer: Included
Highlights Unlimited AI Detecting: Included

35K words/month — default

Highlights Passes AI detectors: Included
Highlights High quality, legible content: Included
Highlights Watermark and future proof: Included
Highlights Writing level matching: Included
Highlights API compatible: Included
Highlights Unlimited Human Auto Typer: Included
Highlights Unlimited AI Detecting: Included

50K words/month — default

Highlights Passes AI detectors: Included
Highlights High quality, legible content: Included
Highlights Watermark and future proof: Included
Highlights Writing level matching: Included
Highlights API compatible: Included
Highlights Unlimited Human Auto Typer: Included
Highlights Unlimited AI Detecting: Included

WriteHuman

Free — Free

Limits & Quotas Humanizer requests / mo: 3

Included
Limits & Quotas Max words per request: 250

Included
Limits & Quotas Output variations: 1

Included
Limits & Quotas Detection checks / mo: 10

Included
Limits & Quotas Image scans / mo: 10

Included
Features AI Humanizer: Yes

Included
Features AI Detector: Yes

Included
Features Image Detector: Yes

Included
Features MCP access: No

Excluded
Features Humanization quality: Basic

Included
Features Priority support: No

Excluded

Basic — Basic

Limits & Quotas Humanizer requests / mo: 80

Included
Limits & Quotas Max words per request: 600

Included
Limits & Quotas Output variations: 2

Included
Limits & Quotas Detection checks / mo: 160

Included
Limits & Quotas Image scans / mo: 80

Included
Features AI Humanizer: Yes

Included
Features AI Detector: Yes

Included
Features Image Detector: Yes

Included
Features MCP access: No

Excluded
Features Humanization quality: Enhanced

Included
Features Priority support: No

Excluded

Pro — Pro

Limits & Quotas Humanizer requests / mo: 200

Included
Limits & Quotas Max words per request: 1,200

Included
Limits & Quotas Output variations: 3

Included
Limits & Quotas Detection checks / mo: 400

Included
Limits & Quotas Image scans / mo: 200

Included
Features AI Humanizer: Yes

Included
Features AI Detector: Yes

Included
Features Image Detector: Yes

Included
Features MCP access: Yes

Included
Features Humanization quality: Enhanced

Included
Features Priority support: Yes

Included

Ultra — Ultra

Limits & Quotas Humanizer requests / mo: Unlimited

Included
Limits & Quotas Max words per request: 3,000

Included
Limits & Quotas Output variations: 5

Included
Limits & Quotas Detection checks / mo: Unlimited

Included
Limits & Quotas Image scans / mo: Unlimited

Included
Features AI Humanizer: Yes

Included
Features AI Detector: Yes

Included
Features Image Detector: Yes

Included
Features MCP access: 1,000 / mo

Included
Features Humanization quality: Enhanced

Included
Features Priority support: Yes

Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Undetectable AI

August 27, 2026 Source
- 10K words/month — default: USD 9.99 monthly · USD 5 / month with annual commitment
- 20K words/month — default: USD 19 monthly · USD 9.5 / month with annual commitment
- 35K words/month — default: USD 31 monthly · USD 15.75 / month with annual commitment
- 50K words/month — default: USD 42.5 monthly · USD 21.25 / month with annual commitment

WriteHuman

August 27, 2026 Source
- Free — Free: Free
- Basic — Basic: USD 12 monthly · USD 12 / month with annual commitment
- Pro — Pro: USD 18 monthly · USD 18 / month with annual commitment
- Ultra — Ultra: USD 36 monthly · USD 36 / month with annual commitment