Flawlessly AI is an online writing assistant that corrects spelling, grammar, punctuation, and tone to help users produce polished text.
Grammarly alternatives
Sharing a category with Grammarly is what puts a product on this page at all. These 18 writing tools are the closest of the ones that do, ordered by how much of Grammarly’s categories and tags each one covers and how closely its own description reads like Grammarly’s — that is an ordering, not a verdict. We have not tested any of them, and there is no score on this page.
Back to the Grammarly listingGrammarly alternatives at a glance
| Tool | Pricing | Open source | Upvotes here |
|---|---|---|---|
| Flawlessly AI | Free | No | 0 |
| Wordtune | Freemium | No | 11 |
| ChatGPT | Freemium | No | 10 |
| Lex | Freemium | No | 37 |
| Claude | Freemium | No | 35 |
| DraftKey | One-time payment | No | 0 |
| Jetwriter AI | Freemium | No | 0 |
| ProWritingAid | Freemium | No | 0 |
| Rephrase AI | Freemium | No | 0 |
| Yomu AI | Freemium | No | 0 |
| Superhuman | Subscription | No | 18 |
| DeepL | Freemium | No | 0 |
| Sapling | Freemium | No | 0 |
| QuillBot | Freemium | No | 36 |
| Willow Voice | Freemium | No | 0 |
| Wispr Flow | Freemium | No | 0 |
| LogicBalls | Freemium | No | 0 |
| AI Text Cleaner | Freemium | No | 0 |
Wordtune
Rewrite and refine sentences as you draft
- Freemium
- Shares 3 categories and 1 tag with Grammarly
Wordtune focuses on rewriting: highlight a sentence and it offers alternative phrasings that are more formal, more casual, shorter or longer.
ChatGPT is OpenAI's assistant for conversation, research, writing, data analysis and coding. It combines web search, file and image understanding, image generation and a growing set of connected tools in one interface, w…
Lex is a clean document editor aimed at people who write prose rather than marketing copy. It offers inline drafting help, but its distinctive feature is structured feedback: you can ask for a critique of an argument, cl…
Claude
Anthropic's assistant for writing, analysis and code
- Freemium
- Shares 3 categories with Grammarly
Claude is Anthropic's AI assistant, available on the web, desktop, mobile and through an API. It handles long documents, structured analysis, writing and software development, and can use tools, browse connected data sou…
DraftKey
Private on-device AI autocomplete for every Mac app
- One-time payment
- Shares 3 categories with Grammarly
DraftKey adds AI autocomplete and rewriting to the Mac apps you already write in. Tab accepts suggestions; Command+Option rewrites. The model runs on your Mac (Apple Silicon, macOS 14+, 8 GB).
Jetwriter AI
Personalized AI writing assistant for web and browser
- Freemium
- Shares 2 categories with Grammarly
Jetwriter AI is a browser extension and application that assists with writing, grammar correction, translation, and email drafting across various websites.
ProWritingAid
The complete toolkit for storytellers
- Freemium
- Shares 2 categories and 1 tag with Grammarly
ProWritingAid provides writing and editing software designed to help authors and writers finish their books. The platform includes planning tools, grammar and style checkers, manuscript analysis, and story critique featu…
Rephrase AI
Rephrase what you wrote into what you meant to say
- Freemium
- Shares 3 categories with Grammarly
Paraphrase sentences, paragraphs, emails, and drafts with Rephrase AI. Make your writing clearer, more professional, or shorter without changing its meaning.
Yomu AI is an AI-powered assistant designed for students and researchers to write essays, research papers, literature reviews, and theses.
Superhuman
Fast email client with AI triage and drafting
- Subscription
- Shares 2 categories with Grammarly
Superhuman is an email client built around speed and keyboard control, with split inboxes, follow-up reminders and read status.
DeepL
AI-powered translation and language platform
- Freemium
- Shares 2 categories and 1 tag with Grammarly
DeepL is an end-to-end AI language platform providing accurate text, document, and real-time voice translation alongside a writing assistant.
Sapling provides an API, SDK, and turnkey integrations for tasks such as grammar and spell checking, autocomplete, AI detection, paraphrasing, and sentiment analysis.
QuillBot
Paraphrasing, summarising and grammar in one suite
- Freemium
- Shares 2 categories with Grammarly
QuillBot is a writing toolkit built around a paraphraser that rewrites text in several tones and lengths. It also includes a summariser, grammar checker, citation generator, translator and AI detector, widely used by stu…
Willow Voice
AI voice dictation that turns speech into polished text
- Freemium
- Shares 3 categories with Grammarly
Willow is an AI voice dictation tool that turns natural speech into polished text in any app. It helps your team move faster through emails, messages, documents, and AI prompts without spending all day typing.
Wispr Flow is an AI voice-to-text application that turns spoken speech into polished writing across various devices and applications.
LogicBalls provides an AI platform designed to clarify and verify user intent before generating outputs. It features thousands of specialized smart tools for writing, research, explanation, and analysis across multiple s…
AI Text Cleaner
Remove invisible characters, Markdown and AI formatting from
- Freemium
- Shares 2 categories with Grammarly
AI Text Cleaner removes hidden Unicode characters, zero-width spaces, unusual whitespace and Markdown residue from drafts.
How to choose a Grammarly alternative
This site holds four things about each of these products that are worth comparing before you open any of them, and none of them is an opinion. The pricing model above is the one recorded on the listing — a product marked Contact for pricing will cost you a sales call before it costs you anything else. The open-source column decides whether leaving later is a migration or an export. The shared categories and tags under each entry are how close the overlap with Grammarly actually is: a tool covering all of Grammarly’s categories is doing roughly the same job, one sharing a single category may only touch the same part of it — and a tool can be high on this page on the strength of its description alone, which means it describes the same work in the same words rather than that anybody checked it does that work well. Upvotes are votes cast here by people with accounts, and they say what this site’s readers picked, not what is best for you.
What we do not hold is a test. Nobody here has run these products side by side, so the last step is yours: open two of them and give each one the job you actually have.
Grammarly alternatives FAQ
- What can I use instead of Grammarly?
- 18 other writing tools listed here share a category with Grammarly: Flawlessly AI, Wordtune, ChatGPT, Lex, Claude, DraftKey, Jetwriter AI, ProWritingAid, Rephrase AI, Yomu AI, Superhuman, DeepL, Sapling, QuillBot, Willow Voice, Wispr Flow, LogicBalls and AI Text Cleaner.
- Are any Grammarly alternatives free?
- Flawlessly AI record a free model; Wordtune, ChatGPT, Lex, Claude, Jetwriter AI, ProWritingAid, Rephrase AI, Yomu AI, DeepL, Sapling, QuillBot, Willow Voice, Wispr Flow, LogicBalls and AI Text Cleaner record a freemium one — a free tier with paid plans above it. Those are the models on their listings here, not a check of their current price lists.
- Are any Grammarly alternatives open source?
- None of the 18 on this page are listed as open source.
- How was this list of Grammarly alternatives put together?
- By query, not by hand. Sharing a category with Grammarly is what qualifies a listing at all; these 18 are the closest of those, measured by how much of Grammarly's categories and tags each one covers and how closely its description reads like Grammarly's. That is a measure of closeness and not a ranking against Grammarly — we have not tested any of these products, and nothing on this page is a score.