Grammarly vs Copy.ai: which costs less?
For 1 user on yearly billing, Grammarly has the cheaper paid plan: Grammarly Pro $12/month vs Copy.ai Chat $24/month. On monthly billing it is Copy.ai (Grammarly $30 vs Copy.ai $29/month).
Last checked 2026-10-18 on the official pages.
Cheapest paid plan by team size (yearly billing)
Per-month price of the annual plan and the yearly total; free plans are covered below.
| Team | Grammarly | Copy.ai | Cheaper |
|---|---|---|---|
| 1 user | Pro $12/mo ($144/yr) | Chat $24/mo ($288/yr) | Grammarly by $144/yr |
| 2 users | Pro $24/mo ($288/yr) | Chat $24/mo ($288/yr) | tie |
| 5 users | Pro $60/mo ($720/yr) | Chat $24/mo ($288/yr) | Copy.ai by $432/yr |
| 10 users | Pro $120/mo ($1,440/yr) | Growth $1,000/mo ($12,000/yr) | Grammarly by $10,560/yr |
| 25 users | Pro $300/mo ($3,600/yr) | Growth $1,000/mo ($12,000/yr) | Grammarly by $8,400/yr |
Grammarly pricing · Copy.ai pricing · your own numbers
Visit Grammarly (official pricing page) ↗
Visit Copy.ai (official pricing page) ↗
Grammarly plans
| Plan | Billed monthly | Billed yearly (per month) | Users | Usage allowance | Notes |
|---|---|---|---|---|---|
| Free | $0 | $0 | 1 free account per person | AI prompts per member per month: 100 | Write without mistakes, tone detection, 100 AI prompts a month. |
| Pro | $30/mo | $12/mo | per user, up to 149 | AI prompts per member per month: 2,000 | $144 per member per year ($12 average per month); $30 per member on monthly billing; up to 149 seats. |
| Enterprise | pending | pending | not stated | not stated | Contact sales; unlimited prompts per member; price not published. |
Copy.ai plans
| Plan | Billed monthly | Billed yearly (per month) | Users | Usage allowance | Notes |
|---|---|---|---|---|---|
| Chat | $29/mo | $24/mo | up to 5 users, one price | Copy.ai workflow credits per month: not listed | 5 seats included; unlimited words in Chat; no workflow credits listed. |
| Growth | not stated | $1,000/mo | up to 75 users, one price | Copy.ai workflow credits per month: 20,000 | 75 seats; billed $12,000 a year. No monthly-billing price on the page. |
| Expansion | not stated | $2,000/mo | up to 150 users, one price | Copy.ai workflow credits per month: 45,000 | 150 seats; billed $24,000 a year; contact accounts team. |
| Scale | not stated | $3,000/mo | up to 200 users, one price | Copy.ai workflow credits per month: 75,000 | 200 seats; billed $36,000 a year; contact accounts team. |
Usage units and team size
| Vendor | How usage is counted | Team size |
|---|---|---|
| Grammarly | Grammarly counts AI prompts: Free 100 a month, Pro 2,000 per member per month, Enterprise unlimited per member. | Grammarly Pro is priced per member and holds up to 149 seats; Enterprise is by contacting sales. |
| Copy.ai | Copy.ai: Chat has unlimited words in chat and lists no workflow credits; Growth, Expansion and Scale include workflow credits per month (a credit's value depends on the workflow). Words are not converted into credits. | Copy.ai plans include a fixed number of seats (Chat 5, Growth 75, Expansion 150, Scale 200); the page states one price per plan, not per seat. |
Free plan and trial
| Vendor | Free plan | Trial |
|---|---|---|
| Grammarly | Yes. Grammarly Free costs nothing and includes 100 AI prompts a month; Pro adds 2,000 AI prompts per member per month. | free plan; Pro trial offered |
| Copy.ai | Not stated. Copy.ai's pricing page lists paid plans (Chat from $29/month) and says nothing about a free plan or a free trial, so we do not claim either. | none stated on the pricing page |
Grammarly: Grammarly's plans page is shown in EUR to our server in Denmark and its country cannot be switched with a URL parameter, so every USD price below comes from Grammarly's own help article, which states USD. The plans page is used only for non-price limits.
Cost = per-user price × users (or the plan's flat price / base price plus extra users), at the monthly price or the per-month price of annual billing (yearly cost = 12 × that). Each vendor counts usage in its own unit and units are never converted. A plan marked free is priced as one free account per person. Taxes, add-ons and trials are not included. Ties are broken by vendor name. Affiliate status is never used.
Frequently asked questions
Is Grammarly cheaper than Copy.ai?
For 1 user on yearly billing, Grammarly has the cheaper paid plan: Grammarly Pro $12/month vs Copy.ai Chat $24/month. On monthly billing it is Copy.ai (Grammarly $30 vs Copy.ai $29/month).
How do the usage limits of Grammarly and Copy.ai differ?
Grammarly counts AI prompts: Free 100 a month, Pro 2,000 per member per month, Enterprise unlimited per member. Copy.ai: Chat has unlimited words in chat and lists no workflow credits; Growth, Expansion and Scale include workflow credits per month (a credit's value depends on the workflow). Words are not converted into credits.
Do Grammarly or Copy.ai have a free plan?
Yes. Grammarly Free costs nothing and includes 100 AI prompts a month; Pro adds 2,000 AI prompts per member per month. Not stated. Copy.ai's pricing page lists paid plans (Chat from $29/month) and says nothing about a free plan or a free trial, so we do not claim either.