AI writing assistant for grammar, clarity, tone and generative rewriting across apps.
Copy.ai vs Wordtune
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Copy.ai is best for automating repeatable sales and marketing content workflows for GTM teams, while Wordtune is best for rephrasing sentences and adjusting tone while you write in the browser. Only Copy.ai offers long-form drafting and brand voice / style guide. Only Wordtune offers grammar & style checking. Copy.ai has a medium learning curve, compared with low for Wordtune. Both Copy.ai and Wordtune offer a free plan, so you can try each before paying.
Which should you choose?
Choose Copy.ai if…
- You need automating repeatable sales and marketing content workflows for GTM teams
- Long-form drafting matters to you
- Brand voice / style guide matters to you
- You're one of: sales and revops teams, b2b marketing teams, agencies running repeatable content processes
Choose Wordtune if…
- You need rephrasing sentences and adjusting tone while you write in the browser
- Grammar & style checking matters to you
- You're one of: professionals writing emails and documents, students, non-native english writers
- You want something quicker to learn
At a glance
| Copy.ai | Wordtune | |
|---|---|---|
| Best for | Automating repeatable sales and marketing content workflows for GTM teams | Rephrasing sentences and adjusting tone while you write in the browser |
| Free plan | Yes | Yes |
| Starting price | From $29/mo | From $6.99 |
| Learning curve | Medium | Low |
| Platforms | Web, API | Web, Chrome extension |
| Ideal for | Sales and RevOps teams, B2B marketing teams, Agencies running repeatable content processes | Professionals writing emails and documents, Students, Non-native English writers |
Feature comparison
| Copy.ai | Wordtune | |
|---|---|---|
| Grammar & style checking | No | Yes |
| Paraphrasing / rewriting | Yes | Yes |
| Long-form drafting | Yes | No |
| Brand voice / style guide | Yes | No |
| Plagiarism checker | No | No |
| AI content detection | No | — |
| Works in browser / other apps | — | Yes |
| Languages | — | English |
| Team workspace | Yes | — |
Security & enterprise
| Copy.ai | Wordtune | |
|---|---|---|
| Business / enterprise plan | Yes | Yes |
| SSO (SAML / OIDC) | Enterprise plan | — |
| SCIM user provisioning | — | — |
| SOC 2 | Type II | — |
| ISO 27001 | — | — |
| HIPAA (BAA available) | — | — |
| GDPR DPA | — | — |
| Data residency options | — | — |
| No training on your data | — | — |
| Audit logs | — | — |
| Admin controls | Yes | — |
| Deployment | Cloud | Cloud |
From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools
What each tool does
Copy.ai
Copy.ai started as an AI copywriter and is now a go-to-market AI platform built around Workflows, Agents, Tables, Chat, Brand Voice and an Infobase of company knowledge. It connects to CRMs and sales tools to automate tasks such as prospect research, outreach drafts and content repurposing. Fullcast acquired Copy.ai in October 2025 and is folding it into its RevOps suite.
Key features- Chat for one-off writing and research tasks
- Workflows that automate multi-step content processes
- Copy Agents for automated task execution
- Brand Voice and Infobase for company context
- Choice of models from OpenAI, Anthropic, Google and others
- Integrations with Salesforce, HubSpot, Gong and Zapier
Wordtune
Wordtune, from AI21 Labs, is a writing companion that suggests alternative phrasings for sentences, adjusts tone between casual and formal, shortens or expands text, and checks grammar and spelling. It also summarizes articles, PDFs and YouTube videos. It works mainly through a Chrome extension in tools like Google Docs and Gmail, plus a Word add-in, and is used by professionals, students and non-native English writers.
Key features- Sentence rewrites with multiple alternatives
- Casual/formal tone, shorten and expand controls
- Grammar and spelling corrections
- AI summarizer for articles, PDFs and YouTube videos
- Chrome extension for Google Docs, Gmail and other sites
- Microsoft Word integration
Pricing
Copy.ai
Free plan: yes; Chat plan ~$29/mo ($24/mo annual), Agents/Growth plans much higher (custom)
Wordtune
Free plan: yes (limited daily rewrites); Advanced/Unlimited from ~$6.99-9.99/mo billed annually
Prices last checked September 2026. Plans change often — confirm on each vendor's site.
Pros and cons
Copy.ai
Strengths- Workflows automate repetitive GTM content at scale
- Connects to CRM and sales engagement tools
- Chat plan covers several users on one subscription
- Model-agnostic, so you are not tied to one AI provider
- Workflow and agent plans are priced for companies, not individuals
- Product direction is shifting after the Fullcast acquisition
- No grammar checker, plagiarism checker or AI detector
- Building useful workflows takes setup time
Not ideal for: Individuals who want a writing editor or proofreader, or a simple copy generator, will find the GTM focus more than they need.
Wordtune
Strengths- Rewrite suggestions keep your meaning while changing wording
- Unlimited grammar and spelling checks on the free plan
- Low-priced paid plans
- Works inside Google Docs, Gmail and Word
- Free plan limits rewrites per day and summaries per month
- No built-in plagiarism checker
- Not built for generating full long-form articles or campaigns
- No brand voice or style guide controls
Not ideal for: Marketing teams generating campaigns at scale or writers needing plagiarism checks should choose a platform built for those tasks.
Integrations
Copy.ai
Wordtune
FAQ
What is the main difference between Copy.ai and Wordtune?
Copy.ai is built for automating repeatable sales and marketing content workflows for GTM teams; Wordtune is built for rephrasing sentences and adjusting tone while you write in the browser. Key differences: Copy.ai offers long-form drafting and brand voice / style guide; Wordtune offers grammar & style checking.
Is Copy.ai or Wordtune cheaper?
Copy.ai starts from $29/mo and Wordtune starts from $6.99 (as of September 2026). On entry price, Wordtune is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do Copy.ai and Wordtune have free plans?
Both Copy.ai and Wordtune offer a free plan, so you can try each before paying.
Which is easier to use, Copy.ai or Wordtune?
Wordtune is generally quicker to learn (Copy.ai: medium, Wordtune: low learning curve).
What are good alternatives to Copy.ai and Wordtune?
Other writing tools worth comparing include Grammarly, QuillBot and Writesonic.