Sassbook AI vs Writesonic

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

Writesonic

See full pricing history

USD · US · source: writesonic.com

Plan	Pricing	Charged by	Offer type
Starter	USD 79 / month with annual commitment $79/month billed annually	Flat · per month	Standalone · Fixed
Basic	USD 199 / month with annual commitment $199/month billed annually	Flat · per month	Standalone · Fixed
Growth Highlighted	USD 399 / month with annual commitment $399/month billed annually	Flat · per month	Standalone · Fixed
Enterprise	Contact sales Custom	Flat · per month	Standalone · Contact sales

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

Writesonic

Starter

Plan card AI-search tracking: Included
Plan card AI articles: Included
Plan card Site audits: Included
Plan card 1 user and 1 project: Included

Basic

Plan card SEO and GEO platform: Included
Plan card 50 trial runs: Included
Plan card 2 users: Included
Plan card 25 articles per month: Included

Growth

Plan card AI visibility and sentiment: Included
Plan card Action Center: Included
Plan card Agentic workflows: Included
Plan card 50 articles per month: Included

Enterprise

Plan card Custom projects and users: Included
Plan card SSO and SAML: Included
Plan card Dedicated AI-search strategist: 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

Writesonic

August 27, 2026 Source
- Starter: USD 79 / month with annual commitment
- Basic: USD 199 / month with annual commitment
- Growth: USD 399 / month with annual commitment
- Enterprise: Contact sales