Sassbook 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.

Sassbook AI

See full pricing history

USD · US · source: sassbook.com

Plan	Pricing	Charged by	Offer type
Free — Free	Free $0 /month	Seat · per user/seat	Standalone · Free
Standard — Monthly Highlighted	USD 15 monthly · USD 32.5 / month with annual commitment $15 /month or $32.5 /month, billed yearly	Seat · per user/seat	Standalone · Fixed
Premium — Monthly	USD 25 monthly · USD 49.16 / month with annual commitment $25 /month or $49.16 /month, billed yearly	Seat · per user/seat	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.

Sassbook AI

Free — Free

Highlights API Credits: $0 /month

Included
Highlights Words per generation (AI Writer + AI Story Writer): 50

Included
Highlights Candidates per generation (AI Writer + AI Story Writer): 2

Included
Highlights Generations per day (AI Writer + AI Story Writer): 20

Included
Highlights Pages per summarization (AI Summarizer): 2.5

Included
Highlights Summaries per day (AI Summarizer): 15

Included
Highlights Pages per paraphrase generation (AI Paraphraser): 0.3

Included
Highlights Paraphrase generations per day (AI Paraphraser): 10

Included
Highlights Pages per headline generation (AI Headline Generator): 0.5

Included
Highlights Headline generations per day (AI Headline Generator): 10

Included
Highlights Priority processing: Included

Standard — Monthly

Highlights API Credits: $15 /month

Included
Highlights Words per generation (AI Writer + AI Story Writer): 70

Included
Highlights Candidates per generation (AI Writer + AI Story Writer): 4

Included
Highlights Generations per day (AI Writer + AI Story Writer): Unlimited

Included
Highlights Pages per summarization (AI Summarizer): 10

Included
Highlights Summaries per day (AI Summarizer): Unlimited

Included
Highlights Pages per paraphrase generation (AI Paraphraser): 10

Included
Highlights Paraphrase generations per day (AI Paraphraser): Unlimited

Included
Highlights Pages per headline generation (AI Headline Generator): 1.6

Included
Highlights Candidates per generation (AI Headline Generator): 5

Included
Highlights Headline generations per day (AI Headline Generator): Unlimited

Included
Highlights Priority processing: Included

Premium — Monthly

Highlights API Credits: $25 /month

Included
Highlights Words per generation (AI Writer + AI Story Writer): 100

Included
Highlights Candidates per generation (AI Writer + AI Story Writer): 6

Included
Highlights Generations per day (AI Writer + AI Story Writer): Unlimited

Included
Highlights Pages per summarization (AI Summarizer): 20

Included
Highlights Summaries per day (AI Summarizer): Unlimited

Included
Highlights Pages per paraphrase generation (AI Paraphraser): 20

Included
Highlights Paraphrase generations per day (AI Paraphraser): Unlimited

Included
Highlights Pages per headline generation (AI Headline Generator): 1.6

Included
Highlights Candidates per generation (AI Headline Generator): 10

Included
Highlights Headline generations per day (AI Headline Generator): Unlimited

Included
Highlights Priority processing: 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.

Sassbook AI

August 27, 2026 Source
- Free — Free: Free
- Standard — Monthly: USD 15 monthly · USD 32.5 / month with annual commitment
- Premium — Monthly: USD 25 monthly · USD 49.16 / 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