Writing & translation

Copy.ai vs. Grammarly: data protection per plan

Copy.ai (4 plans) and Grammarly (4 plans) side by side: DPA, training on inputs, hosting and data retention per plan, based on the providers’ public documents. Without rating.

Last updated: (latest review date of the tools shown)

Choose another tool Two tools from the same category open their dedicated comparison page.

At a glance

Each value is listed with the plans it applies to. Pick a tier to see only plans of that tier; if plans are chosen in the plan comparison below, the table shows exactly those.

Plan tier

All plans: each value is listed with the plans it applies to.

Overview: each value with the plans it applies to
FeatureCopy.aiGrammarly
Provider based inCopyAI, Inc., 1661 International Drive, Memphis, TN 38120, USA2261 Market Street, STE 85232, San Francisco, CA 94114, USA
Plans recorded44
Hostingmixed: all 4 plansUS only: all 4 plans
Training on inputsno: all 4 plansopt-out available: Free, Pro, Pro with multiple users / team accountno: Enterprise tier / accounts purchased through sales
DPAnot documented: all 4 plansno: Free, Proyes: Pro with multiple users / team account, Enterprise tier / accounts purchased through sales
As of18 Oct 202618 Oct 2026

Plans compared

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Plans of the same tier are preselected: the tier chosen in the tier switch, otherwise the tier of the plan you pick yourself. Plans you pick yourself stay. The address holds your selection and can be shared.

Comparing: Copy.ai Chat vs. Grammarly Pro with multiple users / team account

Contract / DPA

differs by plan
Copy.ai Chatnot publicly documented
Grammarly Pro with multiple users / team accountyes

Training

differs by plan
Copy.ai Chatno
Grammarly Pro with multiple users / team accountopt-out available

Hosting

differs by plan
Copy.ai Chatmixed
Grammarly Pro with multiple users / team accountUS only

Sub-processors

Copy.ai Chatlist available
Grammarly Pro with multiple users / team accountlist available

Retention

differs by plan
Copy.ai ChatPrivacy notice: retention depending on…
Grammarly Pro with multiple users / team accountSee Free

Price

differs by plan
Copy.ai Chat29 USD/mo… (further prices in the details)
Grammarly Pro with multiple users / team accountPro price see above
Copy.ai Chatyes
Grammarly Pro with multiple users / team accountyes

Evidence

Copy.ai Chat6 sources
Grammarly Pro with multiple users / team account7 sources

not documentedmeans: not publicly documented, not verifiable in any provider source. It does not mean “no”.

No guarantee of accuracy, not legal advice. Each entry is valid as of the date shown. Open points are listed on the detail pages.

More comparisons

Individual pages: Copy.ai, Grammarly. All tools in the category: Writing & translation.