Grammarly alternatives
At 1 writer, Grammarly costs $30 a month. 2 AI writing tools cost less, from $19.95 (QuillBot). The closest match, QuillBot, covers 81% of what Grammarly does. Each one shows how much of it it covers, capability by capability, next to the price.
What Grammarly does
Core: Grammar & spelling checks, Style, clarity & readability, Works in your apps.
Important: Paraphrasing & rewriting, Brand voice & style guide, Plagiarism checking, AI detection & humanizer, Mobile apps & keyboard, Team workspace & admin (partly).
Also has: Long-form drafting (partly), Marketing copy templates (partly), Sourced writing & citations (partly), Academic writing checks (partly), Multilingual checking (partly), AI chat assistant (partly), Developer API (partly), Privacy & self-hosting (partly).
Alternatives to Grammarly at 1 writer, best match first
- QuillBot: $19.95/mo $8.33/mo billed yearly (Premium, monthly billing). It covers 81% of Grammarly; missing or partial: Style, clarity & readability (partly), Brand voice & style guide (partly), Plagiarism checking (partly), Developer API, Privacy & self-hosting. Free plan: Paraphrase up to 100 words at a time in 2 modes, basic grammar fixes, humanizer up to 100 words, 1,200-word summaries, limited AI detector.. Last price hike: Sep 2026.
- Copy.ai: $29/mo Chat plan covers up to 5 seats (Chat). It covers 52% of Grammarly; missing or partial: Grammar & spelling checks (partly), Style, clarity & readability (partly), Works in your apps, Paraphrasing & rewriting (partly), Plagiarism checking. Free plan: none. Last price hike: May 2026.
Other kinds of products that cover part of Grammarly
- Claude (AI assistants): covers 69% of Grammarly; missing or partial: Grammar & spelling checks (partly), Style, clarity & readability (partly), Paraphrasing & rewriting (partly), Plagiarism checking, AI detection & humanizer
- ChatGPT (AI assistants): covers 66% of Grammarly; missing or partial: Grammar & spelling checks (partly), Style, clarity & readability (partly), Paraphrasing & rewriting (partly), Brand voice & style guide (partly), Plagiarism checking
- Gemini (AI assistants): covers 66% of Grammarly; missing or partial: Grammar & spelling checks (partly), Style, clarity & readability (partly), Paraphrasing & rewriting (partly), Brand voice & style guide (partly), Plagiarism checking
Prices at every size
- Grammarly: 1 writer $30/mo, a 5-person team $150/mo ($12/mo if billed annually)
- QuillBot: 1 writer $19.95/mo, a 5-person team $37.48/mo ($8.33/mo billed yearly)
- Copy.ai: 1 writer $29/mo, a 5-person team $29/mo (Chat plan covers up to 5 seats)
Cheapest paid plan for one writer, billed monthly (plans metered by words or credits must include at least 20,000 AI words a month), and the total for 5 users on the cheapest self-serve option that covers them. Free plans are not counted; annual-only plans are divided by 12.
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Everything about Grammarly's own prices and price hikes: Grammarly.