Grammarly Business vs OpenAI
AI Productivity pricing comparison · 2026
Grammarly Business pricing ranges from $0–$30/user/month, while OpenAI ranges from $0–$200/month. Grammarly Business is typically 70% more affordable, though your actual cost depends on tier and team size.
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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 | $30 /user/month | $8 /user/month |
| Enterprise | Custom | $20 /user/month |
| Pro | — | $200 /user/month |
| Business | — | $20 /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
4 scenarios$40
Light API User (10M tokens/month)
$65/month based on GPT-4o pricing at $5/1M input and $15/1M output tokens, assuming 60/40 input/output split
$240/year ($20/month subscription)
ChatGPT Plus Subscriber
$450
Heavy Production API User (100M tokens/month)
$1,200/month depending on input/output ratio, potentially much higher with premium models or features
Market Intelligence
Grammarly Business
- Median annual cost
- $420
- Based on
- 95 deals
OpenAI
- Median annual cost
- $600
- Based on
- 207 deals
Contract Terms
| Term | Grammarly Business | OpenAI |
|---|---|---|
| Auto-renewal | Yes | Yes |
| Cancellation | Cancel anytime before renewal date | — |
| Minimum commitment | Monthly or annual billing periods | Monthly subscription |
| Price escalation | Promotional rates are one-time only; standard rates apply after first period | — |
| Can downgrade | Yes | — |