Linguix vs Sassbook AI

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.

Linguix

See full pricing history

USD · US · source: linguix.com

Plan	Pricing	Charged by	Offer type
Free — Free	Free $ 0 Forever	Flat · Forever	Standalone · Free
Linguix Pro — Pro Highlighted	USD 11.67 monthly · USD 11.67 / month with annual commitment $11.67 / month Billed $140 annually	Flat · Billed $140 annually	Standalone · Fixed

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

What each plan includes

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

Linguix

Free — Free

Highlights Grammar & spelling: Basic

Included
Highlights AI writing suggestions: Limited

Included
Highlights Paraphrasing & rewriting: Limited

Included
Highlights Typing shortcuts: Basic

Included
Highlights Browser extension: Included

Included
Highlights Supported Linguix apps: Included

Included
Highlights Priority support: Excluded

Linguix Pro — Pro

Highlights Grammar & spelling: Advanced

Included
Highlights AI writing suggestions: More

Included
Highlights Paraphrasing & rewriting: Advanced

Included
Highlights Style improvements: Pro

Included
Highlights Clarity suggestions: Included

Included
Highlights Tone suggestions: Included

Included
Highlights Typing shortcuts: Unlimited

Included
Highlights Browser extension: Included

Included
Highlights Supported Linguix apps: Included

Included
Highlights Priority support: Included

Included

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

How their prices changed

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

Linguix

August 27, 2026 Source
- Free — Free: Free
- Linguix Pro — Pro: USD 11.67 monthly · USD 11.67 / month with annual commitment

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