AI writing assistant for grammar, clarity, tone and generative rewriting across apps.
Copy.ai vs QuillBot
Features, pricing, strengths and trade-offs — and which one fits your situation.
The verdict
Summary
Copy.ai is best for automating repeatable sales and marketing content workflows for GTM teams, while QuillBot is best for paraphrasing, summarizing and checking academic or everyday writing on a budget. Only Copy.ai offers long-form drafting and brand voice / style guide. Only QuillBot offers grammar & style checking and aI content detection. Copy.ai has a medium learning curve, compared with low for QuillBot. Both Copy.ai and QuillBot 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 QuillBot if…
- You need paraphrasing, summarizing and checking academic or everyday writing on a budget
- Grammar & style checking matters to you
- AI content detection matters to you
- You're one of: students, academic researchers, non-native english writers
- You want something quicker to learn
At a glance
| Copy.ai | QuillBot | |
|---|---|---|
| Best for | Automating repeatable sales and marketing content workflows for GTM teams | Paraphrasing, summarizing and checking academic or everyday writing on a budget |
| Free plan | Yes | Yes |
| Starting price | From $29/mo | From $19.95/mo |
| Learning curve | Medium | Low |
| Platforms | Web, API | Web, Windows, macOS, iOS, Android, Chrome extension |
| Ideal for | Sales and RevOps teams, B2B marketing teams, Agencies running repeatable content processes | Students, Academic researchers, Non-native English writers, Bloggers rewriting drafts |
Feature comparison
| Copy.ai | QuillBot | |
|---|---|---|
| Grammar & style checking | No | Yes |
| Paraphrasing / rewriting | Yes | Yes |
| Long-form drafting | Yes | No |
| Brand voice / style guide | Yes | No |
| Plagiarism checker | No | Paid plans only |
| AI content detection | No | Yes |
| Works in browser / other apps | — | Yes |
| Languages | — | 23 (paraphraser) |
| Team workspace | Yes | Yes |
IncludedLimited / higher plansNot available— Not confirmed
Security & enterprise
| Copy.ai | QuillBot | |
|---|---|---|
| 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 | — | Team plan |
| Audit logs | — | — |
| Admin controls | Yes | 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
QuillBot
QuillBot is a writing toolkit built around its paraphraser, which rewrites text in modes such as Standard, Fluency, Formal, Academic, Simple, Creative, Expand and Shorten. It also includes a grammar checker, summarizer, AI detector, AI humanizer, plagiarism checker, citation generator, translator and AI chat. Students, researchers and non-native English writers make up much of its user base.
Key features- Paraphraser with multiple rewriting modes and custom modes
- Grammar checker and summarizer
- AI detector and AI humanizer
- Plagiarism checker (Premium)
- Citation generator and translator
- Extensions for Chrome, Edge, Safari and Word
Pricing
Copy.ai
Free plan: yes; Chat plan ~$29/mo ($24/mo annual), Agents/Growth plans much higher (custom)
QuillBot
Free plan (limited paraphrasing). Premium $19.95/mo monthly or $99.95/yr (~$8.33/mo).
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.
QuillBot
Strengths- Many writing tools bundled under one subscription
- Paraphrasing supports 20+ languages
- Available on web, desktop, mobile and browser extensions
- Has a free plan with core tools
- Free plan limits paraphrasing length and modes
- Plagiarism checks are capped by monthly word count even on Premium
- Not designed for generating long-form marketing content
- No brand voice or style guide controls
Not ideal for: Marketing teams that need brand-consistent campaigns or long-form content generation will be better served by a marketing AI platform.
Integrations
Copy.ai
QuillBot
FAQ
What is the main difference between Copy.ai and QuillBot?
Copy.ai is built for automating repeatable sales and marketing content workflows for GTM teams; QuillBot is built for paraphrasing, summarizing and checking academic or everyday writing on a budget. Key differences: Copy.ai offers long-form drafting and brand voice / style guide; QuillBot offers grammar & style checking and aI content detection.
Is Copy.ai or QuillBot cheaper?
Copy.ai starts from $29/mo and QuillBot starts from $19.95/mo (as of September 2026). On entry price, QuillBot is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.
Do Copy.ai and QuillBot have free plans?
Both Copy.ai and QuillBot offer a free plan, so you can try each before paying.
Which is easier to use, Copy.ai or QuillBot?
QuillBot is generally quicker to learn (Copy.ai: medium, QuillBot: low learning curve).
What are good alternatives to Copy.ai and QuillBot?
Other writing tools worth comparing include Grammarly, Writesonic and Koala AI.
