8 Best Lex Alternatives in 2026 (Free & Paid)
Lex is minimal collaborative writing editor with AI feedback from GPT and Claude, priced at freemium. If it is too expensive, missing a feature or simply not for you, these are the strongest alternatives we have reviewed.
1
Writing assistant for grammar, tone and rewrites across 1 million+ apps
8.1/10
What it is Grammarly is a writing assistant that checks grammar, spelling, clarity and tone wherever you write, and generates or rewrites text with AI prompts. It is now part of Superhuman, and the enterprise plan is sold through Superhuman Go. Key features - Real-time grammar, spelling and tone suggestions in 1 million+ apps and sites - Full-sentence rewrites and… Read more →
Pros
- Works inside Google Docs, Word, Gmail, Outlook, Slack and 1 million+ apps and sites
- Free grammar and spelling checks plus 100 AI prompts a month
- Pro adds plagiarism and AI-text detection, AI Grader and rewrites
- Real-time support in 20+ languages
Cons
- Pro costs $30 monthly; the $12 price needs annual billing
- Free plan is mostly grammar and spelling
- Includes an AI Humanizer, which some schools and clients treat with suspicion
- Now part of Superhuman; enterprise sales go through Superhuman Go
Pricing: Free plan, paid from $30/mo · grammar editing tone plagiarism browser-extension
🔥 Deal: Pro is $12/member per month billed annually instead of $30 monthly
2
AI agent and writer inside Notion docs, wikis and databases
7.7/10
What it is Notion AI is the AI layer inside Notion, the docs, wiki and database workspace. It drafts and edits pages, fills database properties, translates, summarises meeting notes and, through Notion Agent, carries out multi-step tasks across your workspace and connected apps. Content teams use it to plan editorial calendars, write briefs and draft posts where the rest of… Read more →
Pros
- Writes and edits directly in your Notion docs and databases
- Model choice including GPT, Claude, Gemini and Grok
- Notion Agent runs multi-step tasks; Custom Agents automate recurring ones
- Team skills library that can export to SKILL.md for other agents
- Notion MCP server connects other AI tools to your workspace
Cons
- Full Notion AI requires the Business plan ($20/member annually)
- Free and Plus get only a limited AI trial
- Premium models and Custom Agents spend extra Notion credits
- Only useful if your content lives in Notion
Pricing: Free plan, paid from $20/mo · workspace notes agents multi-model docs
3
Marketing content platform with brand voice, agents and image generation
7.3/10
What it is Jasper is an AI content platform for marketing teams. It generates and edits blog posts, ad copy, social posts, emails and campaign assets in a shared Canvas, using stored brand voices, product knowledge and audience profiles so output matches your company style. It also generates and edits images. Key features - Canvas workspace for drafting and editing… Read more →
Pros
- Brand Voices, Knowledge assets and Audiences keep copy on-brand
- Marketing agents for common workflows, GEO and translation agents on Business
- Canvas workspace plus browser extension and integrations
- 30+ languages
Cons
- No free plan, only a 7-day trial
- $69/seat monthly is expensive for solo writers
- Pro plan caps you at 2 Brand Voices and 5 Knowledge assets
- API, Grid and custom agents only on the sales-led Business plan
- Does not disclose which AI models it uses
Pricing: Paid from $69/mo · marketing copywriting brand-voice agents enterprise
🔥 Deal: Pro is $59/seat per month billed annually instead of $69
4
Paraphraser, summarizer and grammar checker with a free tier
7.3/10
What it is QuillBot is a set of AI writing tools centred on its paraphraser. It rewrites sentences and paragraphs in different modes, summarises long text, checks grammar, generates citations, translates and detects AI-written text. It is widely used by students, non-native English writers and editors who need to reword existing material. Key features - Paraphraser with several rewriting modes… Read more →
Pros
- Free paraphraser, summarizer and grammar checker
- Citation generator and AI detector are free
- Annual Premium works out to $8.33/month
- Subscriptions can be paused
Cons
- Free paraphraser is capped at 125 words and 2 modes
- Monthly Premium ($19.95) is poor value compared with annual
- Rewording tools, not a drafting assistant for original content
- Does not disclose its AI models
Pricing: Free plan, paid from $19.95/mo · paraphrasing summarizer grammar students rewriting
🔥 Deal: Annual Premium is $99.95/year ($8.33/month) instead of $19.95 monthly
5
AI rewriter and summarizer from AI21 Labs for clearer sentences
6.7/10
What it is Wordtune is an AI writing assistant from AI21 Labs that rewrites sentences and paragraphs, suggests clearer or more formal wording, summarises documents and checks spelling and grammar. It works in its own editor and through browser integrations, and is aimed at people polishing text rather than generating it from scratch. Key features - Rewrite suggestions for any… Read more →
Pros
- Cheap: Unlimited plan from $6.99/month billed annually
- Good at offering several rewrites of a single sentence
- Free plan includes unlimited spelling and grammar checks
- Summarizer for articles and documents
Cons
- Free plan allows only 10 rewrites a day and 3 summaries a month
- Sentence-level tool, not suited to drafting whole articles
- Does not disclose which AI models it uses
- Few team, brand or integration features
Pricing: Free plan, paid from $6.99/mo · rewriting paraphrasing summarizer grammar budget
🔥 Deal: Unlimited is $6.99/month billed annually instead of $9.99
6
Rytr Freemium
Low-cost AI writer with tone presets, templates and a Chrome extension
6.6/10
What it is Rytr is a budget AI writing assistant. You choose a use case (blog section, email, ad copy, social post, product description and more), a tone and a language, and it generates short-form copy that you can edit in its editor or through its Chrome extension. Key features - Templates for dozens of short-form use cases - 20+… Read more →
Pros
- Very cheap: unlimited generations from $7.50/month
- Free plan with 10,000 characters a month
- 20+ tone presets and tone matching
- Built-in plagiarism checks on paid plans
Cons
- Output quality trails frontier chat assistants
- Only 1 language outside Premium
- Does not disclose which AI models it uses
- Template-driven, not suited to long documents
Pricing: Free plan, paid from $7.5/mo · copywriting budget templates tone chrome-extension
🔥 Deal: Yearly billing gives 2 months free
7
GTM AI platform with multi-model chat, brand voice and content workflows
6.5/10
What it is Copy.ai started as an AI copywriting tool and now calls itself an AI-native go-to-market (GTM) platform for sales, marketing and operations teams. Content writing remains part of it through Chat, Brand Voice and content workflows, but most of the product and pricing is built around automating sales and marketing processes. Key features - Chat for one-off writing… Read more →
Pros
- Chat plan gives 5 seats and unlimited words with OpenAI, Anthropic and Gemini models
- Brand Voice and Infobase keep content consistent
- Workflows automate repeatable content and sales tasks
- 2,000+ integrations (Salesforce, HubSpot, Zapier)
Cons
- Pivoted from a writing tool to a sales and marketing (GTM) platform
- No free plan any more
- Workflow plans jump from $29 to $1,000 per month
- API access only on Enterprise
Pricing: Paid from $29/mo · copywriting gtm workflows brand-voice multi-model
🔥 Deal: Chat plan is $24/month billed annually instead of $29
8
AI writing assistant with TypeAhead autocomplete, personas and cited research
6.4/10
What it is HyperWrite is an AI writing assistant from OthersideAI. It offers TypeAhead, an autocomplete that suggests the next words as you type in the browser, a chat assistant with web research and citations, custom personas, and a large catalogue of single-purpose AI tools for things like emails, essays, social posts and summaries. Key features - TypeAhead autocomplete in… Read more →
Pros
- TypeAhead autocomplete that writes along with you
- Hundreds of task-specific AI tools
- Citations and real-time information in answers
- Custom personas for different writing styles
Cons
- Premium caps you at 250 AI messages a month
- Unlimited plan costs $44.99/month
- Free plan limits are not stated
- Lists a large catalogue of thin single-purpose tools of mixed quality
Pricing: Free plan, paid from $19.99/mo · writing-assistant autocomplete personas research chrome-extension
🔥 Deal: Annual billing saves 20% (Premium $16/month, Ultra $29/month)