Best Grammarly Alternatives in 2026
Grammarly is a text tool with a freemium pricing model. The 10 alternatives below are ranked by how closely they match Grammarly's capabilities, using Vantaige's similarity engine over the full directory, with editorial score and community ratings as tie-breakers.
QuillBot is a paraphrasing suite with nine modes, a summarizer, grammar checker, and citation generator. It genuinely helps ESL writers and researchers, but its output is increasingly flagged as AI-written, including by QuillBot's own detector.
Notion AI is the AI layer built into the Notion workspace: meeting transcription, document Q&A, database autofill, and autonomous agents. It saves real time when your work already lives in Notion, but the May 2025 bundling change forced many teams onto a more expensive plan to keep it.
ProWritingAid is a grammar, style, and manuscript analysis tool built for fiction writers and novelists. It offers 25+ specialized reports covering pacing, dialogue, repetition, and readability, with a lifetime license option that makes it a long-term value for serious authors.
Wordtune is an AI writing assistant by AI21 Labs that rewrites your sentences in real time inside Gmail, Google Docs, and LinkedIn. It offers tone control, article summarization, and the Spices feature for adding sourced statistics and examples to drafts.
Jenni AI is an academic writing assistant built for students and researchers. It combines AI autocomplete, source-grounded citations in over 2,600 styles, PDF chat, and a literature search across 250 million papers, all inside a single browser-based editor.
Jasper rebuilt itself from a $1.5B consumer darling into an enterprise marketing platform after ChatGPT arrived. Brand Voice works, but only if you invest in setup. Pro starts at $69/month with no free tier, and the solo-user ROI math is genuinely hard.
Undetectable AI is a writing assistant that rewrites machine-generated text to bypass detection systems like GPTZero. It helps SEO professionals and content creators avoid search engine penalties. The tool scans text against eight detectors simultaneously. However, its humanization engine sometimes introduces repetitive phrasing that requires manual editing.
DeepL is the Cologne-built AI translation platform known for the most natural output across European language pairs. It now spans 100+ languages, the DeepL Write editor, and April 2026's real-time Voice-to-Voice translation, backed by a purpose-built translation LLM and enterprise-grade compliance.
Copy.ai built a loyal following as an affordable AI copywriter, then pivoted hard to enterprise GTM automation. The tool works for sales teams running outbound workflows. For solo writers, the product they signed up for no longer exists at any reasonable price.
Writesonic pivoted from AI copywriting tool to SEO and GEO content platform. Article Writer 8.0 produces solid structured drafts in under two minutes, but the output still needs editing and its billing practices have left a long trail of complaints.
Grammarly alternatives compared
| Tool | Pricing | Rating | Best for |
|---|---|---|---|
| QuillBot | Freemium | 3.9/5 (editorial) | Trying before buying (direct replacement) |
| Notion AI | Freemium | 3.7/5 (editorial) | Trying before buying (direct replacement) |
| ProWritingAid | Freemium | 4.1/5 (editorial) | Trying before buying (direct replacement) |
| Wordtune | Freemium | 4.1/5 (editorial) | Trying before buying (direct replacement) |
| Jenni AI | Freemium | 4.1/5 (editorial) | Trying before buying (direct replacement) |
| Jasper | Paid | 4.5/5 | Power users (direct replacement) |
| Undetectable AI | Paid | 4.5/5 | Power users (direct replacement) |
| DeepL | Freemium | 4.5/5 (editorial) | Trying before buying (direct replacement) |
Frequently asked questions
What is the best Grammarly alternative in 2026?
QuillBot is the closest Grammarly alternative on Vantaige, ranked by content similarity with a Vantaige score of 3.9. QuillBot is a paraphrasing suite with nine modes, a summarizer, grammar checker, and citation generator. It genuinely helps ESL writers and researchers, but its output is increasingly flagged as AI-written, including by QuillBot's own detector.
Is there a free alternative to Grammarly?
Yes. QuillBot is the highest-ranked Grammarly alternative with a freemium pricing model.
What is Grammarly?
Grammarly catches real errors across 500,000+ apps in real time, but it also flags intentional style choices as mistakes, struggles to match ChatGPT or Claude for deep editing, and its parent company just disabled a feature that faked expert reviews without consent.
Is Grammarly still worth using in 2026?
Grammarly holds a Vantaige editorial score of 3.8/5. The alternatives above are for users who need a different pricing model or feature mix.