Linguix

Linguix is an AI writing assistant that improves grammar, spelling, punctuation, style, clarity, and phrasing across the web. It combines a Web Editor, browser extension, desktop apps, mobile keyboards, writing shortcuts, team style guides, content scoring, and API/SDK integrations. It is designed for content creators, business professionals, sales, marketing, and support teams that need consistent writing in everyday tools.

✨ Key Features

• Multilingual grammar and spell checking — Detect and correct grammar, spelling, punctuation, and style issues in supported languages.
• AI writing assistant — Get context-aware suggestions while writing in the web editor or supported websites.
• Paraphrasing and rewriting — Rewrite sentences, paragraphs, emails, and articles for clearer wording, a different tone, shorter copy, or expanded explanations.
• Content Quality Score — Assess sentence length, vocabulary complexity, passive voice, and other readability signals.
• Shortcuts and templates — Expand reusable snippets such as introductions, replies, and recurring messages with a one-word command.
• Style Guides — Define terminology, names, titles, and communication rules for consistent corporate writing.
• Team management and reports — Onboard users, assign roles, review error counts and readability, and monitor team writing statistics.
• Cross-platform writing — Use the web app, Chrome/Safari/Firefox/Edge extensions, desktop apps, mobile keyboards, Gmail, Google Docs, and other websites.
• Linguix API and SDK — Add grammar corrections, writing enhancement, and paraphrasing to another product with a customizable interface.

💳 Pricing

• Free — Browser extensions and free writing resources are available; the developer pricing page lists a Free API plan at $0 with up to 1,000,000 characters/month and basic grammar/spell checking.
• Pro — The current retail page lists US$140 billed annually (displayed as US$11.67/month), with advanced grammar, rewriting, shortcuts and supported-app access. Other billing options should be checked in checkout.
• Business — Team subscriptions are available for groups; current public retail pricing is not consistently exposed, so request a quote or confirm the live checkout.
• Linguix EDU — An education and family solution is available by contacting sales for a quote.
• Starter, Professional, and Business API — Developer documentation lists $99/month, $499/month, and $1,499/month respectively, with character limits and features varying by plan; Enterprise is custom above 150,000,000 characters/month. Additional usage is documented at $0.0025 per 1,000 characters over plan limits.

Pricing pages show changing promotions and different retail/API products. Confirm the current plan, billing cycle, character limits, language coverage, branding, support, and data-processing terms before purchase.

⚖️ Alternatives Compared

🎯 Use Cases

• Business email — Correct and rewrite messages directly in Gmail or other web tools.
• Sales outreach — Use paraphrasing and shortcuts to produce consistent introductions and proposals.
• Marketing copy — Improve clarity, tone, readability, and recurring campaign text.
• Customer support — Create shortcut replies and apply team terminology consistently.
• Multilingual communication — Review and rewrite supported-language text for international audiences.
• Academic and professional writing — Polish essays, reports, articles, and presentations.
• Team quality control — Use style guides and reports to identify recurring writing issues.
• Embedded writing features — Add grammar and paraphrasing assistance to an education, productivity, or communication product through the API/SDK.

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