Grammarly

Freemium

AI 写作助手，帮助校对、改写并生成文本

什么是 Grammarly？

Grammarly is an AI writing assistant for individuals, teams, and organizations. It helps users write with fewer errors, refine tone, generate text, and revise copy across apps and websites.

The product combines proofreading, rewriting, and prompt-based generation with enterprise-oriented security and admin controls. Its plans range from a free tier for basic writing help to paid Pro and Enterprise options with more advanced writing, collaboration, and governance features.

Grammarly 能做什么？

Proofreading and correction

Grammarly checks spelling, grammar, structure, and clarity, with suggestions designed to help writing read more cleanly and correctly.

Rewrite and tone adjustment

Users can rewrite full sentences, improve clarity and flow, and adjust tone so the writing better fits the context.

AI text generation

The product can generate text from prompts, with 100 prompts per month on Free, 2,000 on Pro, and unlimited prompts on Enterprise.

AI and plagiarism checks

Grammarly includes AI Detector and plagiarism detection on paid plans, helping users review text for AI-generated passages and accidental copying.

Team and security controls

Enterprise plans add controls such as custom roles and permissions, SAML single sign-on, data loss prevention, confidential mode, and dedicated support.

使用场景

“Polish everyday writing”

Drafting emails, posts, or documents and then checking them for grammar, tone, and clarity before sending or publishing.

“Improve phrasing and flow”

Rewriting a rough sentence or paragraph into something more concise, more fluent, or better suited to the audience.

“Start content faster”

Generating a first draft or starting point from an AI prompt when a user needs help getting words on the page.

“Support team and enterprise workflows”

Applying style guides, roles, permissions, and data controls when a team needs writing support that fits company governance needs.

“Check text before sharing”

Reviewing text for AI-generated content or accidental plagiarism when users need a second pass on originality and source handling.

常见问题

What plans does Grammarly offer?

Grammarly offers free, Pro, and Enterprise plans. The Free plan covers writing without spelling and grammar mistakes, tone checks, and 100 AI prompts per month. Pro adds full-sentence rewrites, tone adjustment, plagiarism and AI-generated text detection, and 2,000 AI prompts. Enterprise includes the Pro features plus team and security controls such as SSO, custom roles, data loss prevention, and dedicated support.

How does Grammarly handle user content and training data?

Grammarly writes that it does not sell or monetize user or customer content and does not allow third-party service providers to train their models on user content. The trust center also says users can opt out of product improvement and training in account settings.

Is Grammarly suitable for enterprise use?

Grammarly’s security pages describe privacy, security, compliance, and responsible AI resources, and the pricing page says the product has enterprise-grade privacy and security features. The trust center says Grammarly maintains annual security certifications and third-party security reviews.

How much does Grammarly cost?

The free plan is available at $0 per month, while Pro is listed at $12 per member per month when billed annually or $30 when billed monthly. Enterprise uses contact sales pricing.