Grammarly Business vs OpenAI
AI Productivity pricing comparison · 2026
Grammarly Business pricing ranges from $0–$12/user/month, while OpenAI ranges from $0–$200/month. These products use different pricing models (Per-seat subscription vs ), so a direct price comparison isn't meaningful — costs depend on usage volume and mix.
Grammarly Business
Grammarly Business pricing ranges from $12-$30/user/month as of March 2026.
verified 20d ago
$420
$600
OpenAI
ChatGPT by OpenAI costs $8–$200/user/month as of 2026, with a free tier and seven paid pla
verified 6w ago
$420
$600
Verdict · Vendr median · year 1
Grammarly
saves
$180
vs
OpenAI
· 25 seats
Cheapest
$420
Spread
30%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Pro
$3.6K/yr
year 1 license · $12/seat
Plus
$6.0K/yr
year 1 license · $20/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$420/yr
Vendr · n=95
Median annual
$600/yr
Vendr · n=60
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
7 sourced facts
5 hidden-cost · 1 contract · Vendr median
Last verified
2w ago
Confidence
High confidence
Sources
15 sourced facts
11 hidden-cost · 2 contract · Vendr median · 1 review platform
Last verified
1mo ago
Confidence
Medium 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.
Grammarly
OpenAI
Auto-renewal
Yes
Yes
Cancellation
✓
Cancel anytime before renewal date
✓
Cancel anytime but non-retroactive refund policy — only most recent billing period eligible for refund
Commitment
✓
Monthly or annual billing periods
✓
Monthly or annual depending on plan
Price escalation
Promotional rates are one-time only; standard rates apply after first period
No published schedule; subscription tier pricing has shifted over time (e.g., Plus remained $20/month but Pro tier added at $100-$200/month)
Can downgrade
✓
Yes
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
Grammarly Business and OpenAI both operate in the ai productivity category. This page compares their list pricing.
Plan-by-Plan Pricing
| Plan | Grammarly Business | OpenAI |
|---|---|---|
| Free | Free /user/month | Free /user/month |
| Pro | $12 /user/month | $8 /user/month |
| Enterprise | Custom | $20 /user/month |
| Pro $100 | — | $100 /user/month |
| Pro $200 | — | $200 /user/month |
| Business (annual) | — | $20 /user/month |
| Business (monthly) | — | $25 /user/month |
| Enterprise | — | Custom |
Cost at Scale
Total cost of ownership — licenses, implementation, and hidden costs included.
Grammarly Business
3 scenarios$120/month ($1,440/year)
Small Marketing Team (10 users)
Pro annual plan with 2,000 AI prompts per user, team management, and 1 style guide for brand consistency.
$900/month ($10,800/year)
Medium Company (75 users)
Pro annual plan for 75 users with admin dashboard, usage analytics, and centralized billing.
Custom pricing (Enterprise plan) - Estimated $4,500-$7,500/month based on custom features, SAML SSO, SCIM provisioning, and dedicated support.
Enterprise Organization (300 users)
OpenAI
5 scenarios$240/year ($20/month)
Individual Professional — Plus Plan
$2,400/year ($200/month)
Individual Power User — Pro Plan
$24,000/year ($2,000/month)
Small Team — Business Plan (Annual, 10 seats)
Market Intelligence
Grammarly Business
- Median annual cost
- $420
- Based on
- 95 deals
OpenAI
- Median annual cost
- $600
- Based on
- 60 deals
Contract Terms
| Term | Grammarly Business | OpenAI |
|---|---|---|
| Auto-renewal | Yes | Yes |
| Cancellation | Cancel anytime before renewal date | Cancel anytime but non-retroactive refund policy — only most recent billing period eligible for refund |
| Minimum commitment | Monthly or annual billing periods | Monthly or annual depending on plan |
| Price escalation | Promotional rates are one-time only; standard rates apply after first period | No published schedule; subscription tier pricing has shifted over time (e.g., Plus remained $20/month but Pro tier added at $100-$200/month) |
| Can downgrade | Yes | No |