AI Compare · Writing & Content
Fix grammar and tone in my writing: which AI plans document it
Paste or write text and get grammar, spelling and clarity fixes, or a rewrite in another tone.
Prices for United States, before sales tax Data release 2026.11.07-2, Nov 7, 2026 Rules 2.5.0
23 of the 136 AI products we compare document this task on their own pages. The lowest-priced plan that does is Adobe Express Free, which is free, as of Nov 7, 2026. Documented means offered, not tested.
- Products that document it
- 23 of 136
- Lowest price
- Free
- Use
- Writing & Content
- Quality
- Not tested
What it needs
- Grammar and spelling checks Checks grammar, spelling and clarity in your text and suggests fixes.
- Paraphrasing and tone changes Rewrites your sentences in other words or another tone on request.
What you get: Clean, correct text in the tone you want.
Plans that document it
For each product, the lowest-priced plan that documents every required feature, cheapest first. Documented means offered on the vendor's own pages, not tested.
| Product | Lowest-priced plan |
|---|---|
| Adobe Express | Adobe Express FreeFreeSpellchecker flags misspelled words and suggests corrections; spelling only, no grammar or clarity checks documented. Source checked Nov 4, 2026 |
| Canva | Canva FreeFreeMagic Write 'Fix spelling' corrects spelling, grammar and punctuation in Canva Docs and designs. Standard AI tool: on Canva Free it draws from the limited monthly AI allowance. Source checked Nov 4, 2026 |
| ChatGPT | ChatGPT FreeFreeChatGPT's Grammar checker writing tool improves grammar, spelling and punctuation, with Improve clarity and Polish writing options. Normal chat limits of the plan apply. Source checked Nov 4, 2026 |
| DeepSeek | DeepSeek (free)FreeGeneral chat assistant: you can ask it to check and fix text; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| Gamma | Gamma FreeFreeEdit with AI can fix spelling and grammar across a gamma or a selection (uses credits). Source checked Nov 4, 2026 |
| Genspark | Genspark FreeFreeWord add-in gives writing-quality suggestions; AI Docs and AI Chat edit text on request. Source checked Nov 4, 2026 |
| Grammarly | Grammarly FreeFreeFree checks spelling, grammar and punctuation as you write ("Write without mistakes") and shows tone; multilingual suggestions in all plans. Full-sentence rewrites and fluency need Pro. Source checked Nov 4, 2026 |
| Manus | Manus FreeFreeChat mode can check and fix text on request; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| Meta AI | Meta AI (free)FreeMeta AI can help edit your writing; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| Microsoft Copilot | Microsoft Copilot (free)FreeMicrosoft Editor (not Copilot itself): signing in with a free Microsoft account gives basic spelling and grammar checking in Word for the web and Edge. Source checked Nov 4, 2026 |
| Mistral Vibe (formerly Le Chat) | Mistral FreeFreeGeneral chat assistant: you can ask it to check and fix text; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| Notion AI | Notion FreeFreeLimited trial only on this plan: a set number of complimentary AI responses that do not renew; then Business is required. Edit with AI can fix grammar and spelling in selected text. Source checked Nov 4, 2026 |
| Perplexity | Perplexity FreeFreeComet browser Inline Assistant: select text in a field and ask it to improve grammar, change tone or length. Article names no plan; Comet is Perplexity's browser. Source checked Nov 4, 2026 |
| Poe | Poe FreeFreeGeneral-purpose bots give writing help on request; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| QuillBot | QuillBot FreeFreeGrammar Checker fixes basic grammar, spelling and punctuation errors; advanced writing suggestions and tone insights need Premium. Source checked Nov 4, 2026 |
| Qwen Chat | Qwen (free)FreeGeneral chat assistant: you can ask it to check text; no dedicated grammar tool is documented. Source checked Nov 4, 2026 |
| Wordtune | Wordtune BasicFreeUnlimited spelling corrections and grammar checks. Source checked Nov 4, 2026 |
| X Subscription (Cursor, Grok, X) | X Subscription FreeFreeGrok for Word (free Microsoft 365 add-in) fixes grammar and rewrites text for clarity inside Word. Grok usage comes from the plan's shared AI pool (Free: limited Chat requests). Source checked Nov 4, 2026 |
| Gemini | Google AI Plus$4.99 a monthProofread with Gemini in Gmail suggests spelling and grammar fixes plus conciseness, active voice and word choice in your drafts. Source checked Nov 4, 2026 |
| Claude | Claude Pro$20 a monthClaude for Word add-in (Pro, Max and up) lists document QA prompts such as proofreading for spelling, grammar and punctuation, with edits as tracked changes. Source checked Nov 4, 2026 |
| Sudowrite | Sudowrite Professional$29 a monthFeedback includes Copy Edits for grammar slips, passive voice and punctuation, plus line and developmental edits (Professional and Max only). Source checked Nov 4, 2026 |
| Beautiful.ai | Beautiful.ai Pro$45 a monthDesignerBot's 'Fix spelling and grammar' checks and corrects selected text. Source checked Nov 4, 2026 |
| Jasper | Jasper Pro$69 a monthReal-time spelling and grammar corrections in the browser extension for Pro and Business users. Source checked Nov 4, 2026 |
Hidden gems for this task
Smaller tools fewer people know yet, whose makers also document this task. Not tested by us. How we choose them
- Aqua VoiceAqua Voice Free, Free
- DeepL WriteDeepL Write Free, Free
- Jenni AIJenni Free, Free
- LanguageToolLanguageTool Basic, Free
- PaperpalPaperpal Free, Free
- ReflectReflect Free, Free
- SpokenlySpokenly Free, Free
- Plus AIPlus AI Basic, $15 a month
- NaturalReaderNaturalReader Commercial Starter, $29 a month
- SuperhumanSuperhuman Mail Starter, $30 a month
- MacWhisperMacWhisper Pro, price not verified
Not verified for this task (a required feature is unclear, conflicting or due for a check): Wispr Flow, Superwhisper, Descript, Adobe Firefly, Julius AI, SciSpace, Consensus, Copy.ai, Napkin AI, Speechify, Base44, Fotor, Kimi, Liner, Kagi Assistant, Humata, Lindy, Novelcrafter, Squibler, Mem, Heptabase, Saner.AI, Presentations.AI, Gumloop, Notta, tl;dv, Bluedot, Tactiq, MeetGeek, Typeless.
72 other products do not offer it, or it is not what they are for.
What we have not tested
A documented checker says nothing about how many errors it catches: proofread anything important yourself.
Other Writing & Content tasks
From the facts in our data release 2026.11.07-2. Read how AI Compare works.