{"data":{"slug":"drop-grammarly-with-existing-ai","title":"Drop Grammarly when you already pay for ChatGPT, Claude, Gemini or Copilot","summary":"If you already pay for an AI assistant, prompts handle rewrites, tone and careful proofreading, and built-in checkers (Google Docs, Microsoft Editor, Apple Writing Tools) cover everyday spelling and grammar. What you genuinely lose is Grammarly's real-time underlines everywhere you type, plus plagiarism checks, AI detection and team style guides on paid plans.","outcome":"Write clean, on-tone emails and documents without paying for a separate writing-assistant subscription.","capabilities":["grammar-editing","writing-copy","ai-chat-assistant"],"replaces":[{"tool":"grammarly","scope":"full"}],"requiredTools":[{"tool":"chatgpt","purpose":"Proofreading, rewriting and tone prompts in a saved Project.","optional":true},{"tool":"claude","purpose":"Proofreading, rewriting and tone prompts in a saved Project.","optional":true},{"tool":"gemini","purpose":"Same prompts in a Gem, plus Gemini in Gmail/Docs on eligible Workspace plans.","optional":true},{"tool":"microsoft-365-copilot","purpose":"Same prompts inside Word and Outlook for Microsoft 365 users with Copilot.","optional":true},{"tool":"google-workspace","purpose":"Google Docs' built-in spelling and grammar suggestions.","optional":true},{"tool":"microsoft-365","purpose":"Microsoft Editor in Word and Outlook (advanced refinements with a Microsoft 365 subscription).","optional":true}],"additionalMonthlyUSD":0,"difficulty":"easy","skill":"none","setupTime":"30–45 minutes (style guide, saved Project, snippet/shortcut)","illustrative":false,"evidenceStatus":"editorial","lastReviewed":"2026-10-13","links":{"page":"/workflows/drop-grammarly-with-existing-ai","api":"/api/v1/workflows/drop-grammarly-with-existing-ai","markdown":"/workflows/drop-grammarly-with-existing-ai.md"},"additionalCost":{"monthlyUSD":0,"explanation":"$0 extra: this uses an AI assistant you already pay for plus spell/grammar checkers built into Google Docs, Microsoft 365/Edge and Apple devices with Apple Intelligence."},"timePerRun":"20–60 seconds per check (copy, paste, review the change list)","goodFitFor":["Individuals and small teams paying for Grammarly Pro on top of an AI assistant subscription","People who mostly use Grammarly for occasional rewrites, tone changes and a final proofread","Writers who prefer to see a list of changes and decide, rather than accept underlines one by one","Teams that write mainly in Google Docs, Word or Outlook, where built-in checkers already exist"],"notFitFor":["People who depend on real-time suggestions in every text box (CRM, support desk, Slack, browser forms) — copy-paste to an AI is slower","Teams that need an enforced shared style guide or brand tones across many members, with admin controls","Anyone who needs plagiarism checks or AI-text detection (both included in Grammarly Pro per its plans page)","Non-native writers who learn from inline explanations as they type, or users who rely on Grammarly's accessibility benefits"],"before":"Grammarly runs as a browser extension, desktop app and inside Office/Google Docs, underlining issues as you type everywhere and offering one-click fixes, tone suggestions, AI rewrites, and on Pro, plagiarism and AI detection plus a style guide and brand tone.","after":"Spelling and grammar are caught by the checker built into the app you're in (Google Docs, Word/Outlook's Editor, Edge, or Apple Writing Tools). For anything that matters — client emails, proposals, posts — you paste the text into a pinned 'Proofread' Project in ChatGPT/Claude/Gemini/Copilot that holds your house style, and get a list of every change with a reason, then the corrected text. A text-replacement snippet or Quick Action makes it a few keystrokes.","steps":[{"title":"Be clear about what you'll lose","body":"Grammarly's plans page today lists (Free → Pro at **$12/month** → Enterprise):\n\n- **Real-time suggestions everywhere you type** — browser extension (Chrome, Safari, Firefox, Edge), desktop apps (Windows, Mac), Office, Google Docs, mobile.\n- **Plagiarism detection** and an **AI detector** — Pro and Enterprise only.\n- **Style guide** and **brand tones** — 1 each on Pro, unlimited on Enterprise.\n- **AI prompts** — 100/month Free, 2,000/member/month Pro.\n\n(Grammarly is now part of Superhuman, per its site.) If plagiarism checks, enforced team style or underlines in every web form are essential to you, keep Grammarly — or drop to Grammarly **Free** for basic underlines and use your AI assistant for the rest."},{"title":"Turn on the checkers you already have","body":"- **Google Docs:** red underlines = spelling, blue = grammar; press **Tab** to accept. Run **Tools → Spelling and grammar** before sending. Grammar suggestions support English, Spanish, French, German, Portuguese and Italian.\n- **Microsoft Word / Outlook:** **Microsoft Editor** (Home tab in Word for the web and Word for Microsoft 365 on Windows; Outlook on the web/Outlook.com). Basic spelling and grammar is free with a Microsoft account; clarity, conciseness and formality refinements need Microsoft 365.\n- **Browsers:** Microsoft Edge has built-in spelling/grammar in text boxes; the **Microsoft Editor extension** works in Chrome and Edge.\n- **Apple devices with Apple Intelligence:** select text → Control-click → **Writing Tools** → *Proofread* or *Rewrite* (Friendly, Professional, Concise). Works in most apps and websites, subject to language and region availability."},{"title":"Write a one-page house style guide","body":"Copy the **House style guide** artifact and fill in the brackets: US or UK spelling, Oxford comma, date format, product names, banned words, tone presets.\n\nIf you don't have one, paste 5–10 pieces of writing you're proud of into the **Build a style guide from examples** prompt and edit what it returns. Keep it **under one page** — models follow short, concrete rules more consistently.\n\nThis replaces Grammarly's style guide feature for an individual or a small team (share the doc), though nothing *enforces* it."},{"title":"Create a pinned 'Proofread' workspace","body":"In whichever assistant you pay for, create a **Project** (Claude or ChatGPT), a **Gem** (Gemini) or a **notebook/saved prompt** (Copilot) called **Proofread**. Paste the style guide plus the **Proofread with a change list** prompt as its instructions.\n\nThe key design choice: the output is a **numbered list of changes** (`original → corrected (reason)`) *before* the corrected text. You review changes instead of trusting a silent rewrite — the main way AI 'proofreading' goes wrong is quietly changing meaning, numbers or names.\n\nFor tone, use the **Rewrite for tone** prompt with one of your presets."},{"title":"Make it a few keystrokes","body":"Follow the **Keyboard-shortcut workflow** artifact:\n\n1. A **text replacement** (macOS: System Settings → Keyboard → Text Replacements) so typing `;pf` expands into the proofreading instruction.\n2. **Copy → switch to the pinned Proofread project → paste → Enter → copy the result back.** About 20–30 seconds.\n3. Optional macOS **Quick Action** built in the Shortcuts app that wraps selected text in the prompt, copies it and opens your AI app, bound to a keyboard shortcut.\n\nUse built-in underlines for everyday typing and the AI pass for anything external or important."},{"title":"Test for two weeks before cancelling","body":"Keep Grammarly on but ignore its suggestions for two weeks. On 10 real pieces of writing, run the AI proofread first, then look at what Grammarly would still flag. If Grammarly consistently catches real errors your new routine misses (not just style preferences), keep it or drop to Free. Otherwise cancel at the end of the billing period."}],"prompts":[{"title":"Proofread with a change list","purpose":"Careful proofreading that shows every change so nothing is altered silently.","text":"Proofread the text below as a careful copy editor.\n\nStyle: {{style_guide}}\nAudience: {{audience}}\nEnglish variety: {{english_variety}}\n\nRules:\n- Fix only spelling, grammar, punctuation, clear typos, and violations of the style guide.\n- Do NOT change meaning, facts, numbers, names, links, quotes or formatting. Don't 'improve' wording that is already correct.\n- If something might be an error but you're not sure (a name, a figure, a technical term), don't change it — list it under \"Check\".\n\nOutput exactly:\n1. **Changes** — a numbered list: \"original\" → \"corrected\" (reason, max 8 words). Write \"No changes needed\" if none.\n2. **Check** — anything ambiguous for me to decide.\n3. **Corrected text** — in one block, ready to paste.\n\nText:\n{{text}}","variables":["style_guide","audience","english_variety","text"]},{"title":"Rewrite for tone","purpose":"Replace Grammarly's tone suggestions with an explicit tone rewrite.","text":"Rewrite the text below in the {{tone_preset}} tone from my style guide, for {{audience}}.\n\nStyle guide:\n{{style_guide}}\n\nConstraints: keep every fact, number, date, name and commitment exactly; keep it within {{max_words}} words; keep any links. Give two versions (A: closest to the original wording, B: more rewritten), then one line on what you changed in each.\n\nText:\n{{text}}","variables":["tone_preset","audience","style_guide","max_words","text"]},{"title":"Build a style guide from examples","purpose":"Draft a one-page house style guide from writing you already like.","text":"Here are {{number_of_samples}} examples of writing from {{company_or_person}} that represent the voice we want:\n\n{{writing_samples}}\n\nDraft a one-page house style guide using ONLY patterns you can see in these samples. Sections: Language & spelling, Voice (5 bullet rules), Terms (always/never), Don'ts, three Tone presets (SUPPORT, SALES, INTERNAL) with one example sentence each. Where the samples are inconsistent, show both options and ask me to choose. Keep it under 350 words.","variables":["number_of_samples","company_or_person","writing_samples"]}],"artifacts":[{"title":"House style guide template","kind":"template","content":"HOUSE STYLE GUIDE — paste into a Claude Project / ChatGPT Project / Gemini Gem / Copilot notebook as standing instructions.\nKeep it under one page; the AI follows short, concrete rules better than long essays.\n\nLanguage & spelling\n- Variety: [US English | UK English]. Spell-check against it; flag the other variety's spellings.\n- Oxford comma: [yes | no]. Numbers: words for one–nine, digits for 10+; always digits with units (5 GB, 3 days).\n- Dates: [13 October 2026 | October 13, 2026]. Times: [9:00 | 9am]. Currency: $1,200 (no \".00\" unless cents matter).\n\nVoice\n- Plain, direct, friendly. Short sentences (aim < 20 words). Active voice.\n- We say \"you\" to the reader and \"we\" for the company. No \"utilize\", \"leverage\", \"synergy\", \"best-in-class\".\n- Headlines and buttons: [Sentence case | Title Case].\n\nTerms (always / never)\n- [Product name] — always capitalised like this; never \"[wrong variant]\".\n- [customer | client] — use \"[chosen]\" only.\n- [sign up] (verb) vs [sign-up] (noun).\n\nDon'ts\n- No exclamation marks in customer emails. No emojis in [contracts, invoices, support replies].\n- Never promise dates, refunds or legal outcomes in support replies.\n\nTone presets (ask for one by name)\n- SUPPORT: warm, apologise once, give the next step and a timeframe.\n- SALES: confident, specific benefit, one question at the end.\n- INTERNAL: brief, bullet points, decision first.\n\nEditing rules for the AI\n- Preserve meaning, facts, names, numbers, links and formatting. Never add claims.\n- When proofreading, change only what's wrong or violates this guide; list every change."},{"title":"Keyboard-shortcut workflow","kind":"checklist","content":"KEYBOARD-SHORTCUT WORKFLOW — get \"select text → fixed text\" down to a few keystrokes\n\n1. One saved place for the instructions (all platforms)\n   Create a Claude Project, ChatGPT Project, Gemini Gem or Copilot notebook called \"Proofread\" and paste the\n   house style guide + the proofreading prompt as its instructions. Pin it. Each check is then just: paste text → Enter.\n\n2. Snippet expansion for the prompt (no extra software)\n   macOS: System Settings → Keyboard → Text Replacements → \"+\"\n          Replace: ;pf    With: Proofread the text below using my house style. List every change as\n          \"original → corrected (reason)\", then give the corrected text in one block. Change nothing else.\n   Windows/other: use your existing text-expander, or keep the prompt as the Project instructions above.\n\n3. Copy → ask → paste back (any app, any OS)\n   Select text → Cmd/Ctrl+C → switch to the Proofread project (Cmd/Ctrl+Tab or the AI app's own global shortcut,\n   if your app offers one — check its settings) → Cmd/Ctrl+V → Enter → copy the corrected block → switch back →\n   Cmd/Ctrl+V.\n\n4. Built-in, no AI subscription needed\n   - Apple devices with Apple Intelligence: select text → Control-click → Writing Tools → Proofread / Rewrite\n     (Friendly, Professional, Concise) — works in most apps and websites.\n   - Microsoft Edge: built-in spelling/grammar in text boxes; Microsoft Editor extension for Chrome/Edge\n     (basic checks free with a Microsoft account; advanced refinements with Microsoft 365).\n   - Google Docs: Tab accepts a suggestion; Tools → Spelling and grammar for a full pass.\n   - Word: Editor pane on the Home tab (Word for the web / Microsoft 365 on Windows).\n\n5. Optional macOS Quick Action (copies text + prompt, opens your AI app)\n   Shortcuts app → New Shortcut → Details: \"Use as Quick Action\", receive Text from Services/Quick Actions →\n   actions: Text (\"Proofread using my house style…\\n\\n[Shortcut Input]\") → Copy to Clipboard → Open App (your\n   AI app). Assign a key in the shortcut's details (Add Keyboard Shortcut). Then: select text → shortcut → Cmd+V → Enter."}],"limitations":["No real-time underlines in every app and web form from your AI assistant; you must copy text into it (built-in checkers cover only their own apps).","No plagiarism checker or AI-text detector (Grammarly Pro includes both).","Style guides aren't enforced across a team; each person must use the shared Project/instructions.","AI assistants occasionally 'over-edit' — changing correct wording or, rarely, a fact — which is why the prompt requires a change list.","Apple Writing Tools need Apple Intelligence on a supported device, language and region; Google Docs grammar covers six languages; Microsoft Editor's advanced refinements need Microsoft 365.","Usage limits of your AI plan apply; heavy proofreading days can hit them."],"risks":[{"type":"functionality_loss","severity":"medium","note":"Losing inline suggestions everywhere and plagiarism/AI detection can lead to more small errors in quick messages and no originality check on published content."},{"type":"sensitive_data","severity":"medium","note":"Pasting contracts, HR or customer messages into an AI assistant sends them to that provider. Use a business plan whose data terms you've checked, or the on-device/built-in checkers for sensitive text. (Grammarly also processes what you type, so this is a change of processor, not a new category of risk.)"},{"type":"reliability","severity":"low","note":"A silent AI rewrite can change meaning. The change-list format and a quick read of the diff before sending mitigates this."},{"type":"collaboration","severity":"low","note":"Team-wide consistency depends on people using the shared style guide; there are no admin controls or analytics."}],"verificationChecklist":["On 10 real pieces of your writing, the Proofread prompt caught every genuine error Grammarly flagged (style preferences excluded) and changed no facts, numbers or names.","The prompt reliably outputs a numbered change list before the corrected text in your chosen assistant (test 5 times).","Built-in checking is confirmed working where you write most: Google Docs suggestions on, Microsoft Editor visible in Word/Outlook, or Writing Tools available on your Apple device.","The `;pf` snippet (or Quick Action/pinned Project) gets you from selected text to corrected text in under 30 seconds.","You've confirmed nobody on the team needs Grammarly's plagiarism checker, AI detector or enforced team style guide — or you've kept seats only for those people.","You've noted Grammarly's renewal date and cancel before it, keeping Grammarly Free if you still want basic underlines."],"savingsMethodology":"Savings = Grammarly paid seats × price per seat per month − incremental cost ($0, because the AI assistant and built-in checkers are already paid for or free). Dropping to Grammarly Free instead of cancelling keeps basic underlines at $0. If your Grammarly plan is billed annually, savings start at renewal.","example":{"scenario":"A freelance consultant paying for Grammarly Pro and ChatGPT Plus cancels Grammarly Pro and moves proofreading into a ChatGPT Project plus Google Docs/Word built-in checks.","currentMonthlyUSD":12,"newMonthlyUSD":0,"assumptions":["Grammarly Pro listed at $12/month on grammarly.com/plans on 2026-10-13 (the page did not state whether this figure requires annual billing; check your invoice).","The ChatGPT subscription is already paid for other work, so it adds nothing.","No need for plagiarism detection or an AI detector.","Optionally keeps Grammarly Free ($0) for basic inline suggestions."]},"evidence":{"status":"editorial","sources":[{"url":"https://www.grammarly.com/plans","title":"Grammarly plans","accessedAt":"2026-10-13","note":"Free $0; Pro $12/month; Enterprise contact sales. Pro: plagiarism detection, AI detector, 1 style guide, 1 brand tone, 2,000 AI prompts/member/month; Free: 100 prompts/month."},{"url":"https://www.grammarly.com/","title":"Grammarly homepage","accessedAt":"2026-10-13","note":"Browser extension for Chrome, Safari, Firefox, Edge; Windows and Mac desktop; MS Office, Google Docs, mobile; 'Grammarly is now a part of Superhuman'."},{"url":"https://support.google.com/docs/answer/57859","title":"Google Docs — Check spelling and grammar","accessedAt":"2026-10-13","note":"Red/blue underlines; Tab to accept; Tools > Spelling and grammar; grammar in English, Spanish, French, German, Portuguese, Italian."},{"url":"https://support.microsoft.com/en-us/office/microsoft-editor-checks-grammar-and-more-in-documents-mail-and-the-web-91ecbe1b-d021-4e9e-a82e-abc4cd7163d7","title":"Microsoft Editor","accessedAt":"2026-10-13","note":"Built into Edge; extension for Chrome and Edge; Word and Outlook; basic checks free with a Microsoft account; advanced refinements with Microsoft 365."},{"url":"https://support.apple.com/guide/mac-help/use-writing-tools-mchldcd6c260/mac","title":"Apple — Use Writing Tools on Mac","accessedAt":"2026-10-13","note":"Proofread, Rewrite (Friendly, Professional, Concise), Summarize; available in most apps and websites; requires Apple Intelligence; language/region limits."}],"verifiedBy":"agent:claude-research","notes":"Feature lists checked on vendor pages today. The macOS Shortcuts Quick Action steps are general guidance; menu labels can differ by macOS version."}},"meta":{"apiVersion":"v1","dataVersion":"4f1b9f55d2a1","dataGeneratedAt":"2026-10-13T14:29:58.201Z","docs":"/docs/api","evidenceLegend":"/docs/data-model#evidence","disclaimer":"Prices and capabilities change. Check each item's evidence status and verification date. Savings are estimates, not guarantees."}}