Sudowrite vs Grammarly
AI Writing Tools pricing comparison · 2026
Sudowrite pricing ranges from $10–$59/month, while Grammarly ranges from $0–$12/month. Grammarly is typically 45% more affordable, though your actual cost depends on tier and team size.
Sudowrite
Sudowrite is an AI writing assistant purpose-built for fiction authors, offering specializ
verified 7w ago
$348
$19K
Grammarly
Grammarly pricing ranges from free to $12/month as of March 2026.
verified 7w ago
$348
$19K
Verdict · Vendr median · year 1
Sudowrite
saves
$19K
vs
Grammarly
· 25 seats
Cheapest
$348
Spread
98%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Professional
$8.7K/yr
year 1 license · $29/seat
Pro
$3.6K/yr
year 1 license · $12/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$348/yr
Vendr · n=62
Median annual
$19K/yr
Vendr · n=0 · limited data
REF · 01
Sources & confidence
Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.
Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources
10 sourced facts
6 hidden-cost · 3 contract · Vendr median
Last verified
1mo ago
Confidence
High confidence
Sources
10 sourced facts
6 hidden-cost · 2 contract · Vendr median · 1 review platform
Last verified
1mo ago
Confidence
High confidence
REF · 02
Plans at a glance
Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.
Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 04
Contract terms
The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.
Sudowrite
Grammarly
Auto-renewal
Yes
Yes
Cancellation
—
Must cancel before renewal date to avoid charges
Commitment
1 month
—
Price escalation
No published schedule but legacy plan holders mentioned paying more than new users for grandfathered benefits
Promotional rates valid for one subscription period only; standard rates apply upon renewal without published advance notice
Can downgrade
No
—
REF · 05
What users say
Aggregated, with sample sizes. We use whichever review platform has data.
User reviews
TrustRadius · Trustpilot · G2
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats).
Median annual cost is from Vendr's deal flow when available — see source badges.
Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
VS
Sudowrite and Grammarly both operate in the ai writing tools category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Sudowrite | Grammarly |
|---|---|---|
| Hobby & Student | $19 /month | Free /month |
| Professional | $29 /month | $12 /month |
| Max | $59 /month | Custom |
| Enterprise | Custom | — |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Sudowrite
4 scenarios$19/month
Starter Setup
$29/month
Growing Business
Custom pricing — typically negotiated annually, contact sales for quote
Enterprise (100+ users)
Grammarly
3 scenarios$0/month (Free plan)
Student or Casual Writer
basic grammar, spelling, tone detection, and 100 AI prompts/month. Sufficient for occasional writing. Upgrade to Pro at $12/month annual if you need plagiarism detection for academic work.
$12/month (Pro annual at $144/year)
Professional Writer or Content Marketer
full-sentence rewrites, advanced tone and clarity suggestions, plagiarism detection, and 2,000 AI prompts/month. Best value for regular professional use.
Custom pricing (Enterprise plan) -- unlimited AI prompts, SAML SSO, style guides, admin analytics, dedicated account manager. Estimated $15-25/user/month depending on team size and contract terms.
Enterprise Organization (200+ employees)
Market Intelligence
Sudowrite
- Median annual cost
- $348
- Based on
- 62 deals
Grammarly
- Median annual cost
- $19,050
Contract Terms
| Term | Sudowrite | Grammarly |
|---|---|---|
| Auto-renewal | Yes | Yes |
| Cancellation | — | Must cancel before renewal date to avoid charges |
| Minimum commitment | 1 month | — |
| Price escalation | No published schedule but legacy plan holders mentioned paying more than new users for grandfathered benefits | Promotional rates valid for one subscription period only; standard rates apply upon renewal without published advance notice |
| Can downgrade | No | — |