On the recordRead 21 Oct 202649 facts
Lex
Plans and prices
Free
Free
30 Ask Lex messages per day · 5 saved-prompt runs per month · low daily AI budget
Read 21 Oct 2026 · lex.page
Lex Pro monthly
$24.99a month
premium AI models · early feature access · iOS app · priority email support
Read 21 Oct 2026 · buttondown.com
Lex Pro annual
$179.88a year
premium AI models · early feature access · iOS app · priority email support
Read 21 Oct 2026 · buttondown.com
Lex Pro
Priced on request
Access to premium AI models · early access to features and the iOS app · priority email support
Read 5 Oct 2026 · lex.page
On the record
- AI feedback
- Users can ask AI for draft feedback, brainstorming and rewrites.lex.page · read 21 Oct 2026
- AI privacy
- Lex says it does not train AI models on customer content without explicit written permission and uses OpenAI, Anthropic and Together.ai vendors with policies against training on customer data.lex.page · read 5 Oct 2026
- AI training policy
- Lex says it does not train models on customer content without explicit written permission and would notify users if that policy changed.lex.page · read 21 Oct 2026
- AI writing tools
- Lex offers AI feedback for drafts, brainstorming and rewrites, plus commands and one-click title ideas.lex.page · read 5 Oct 2026
- API
- Lex publishes a public API documentation site at docs.lex.page.docs.lex.page · read 21 Oct 2026
- API documentation depth
- The public documentation currently exposes an introduction and documentation index, with no detailed endpoint or SDK material visible on the opened page.docs.lex.page · read 21 Oct 2026
- Ask Lex chat
- Ask Lex provides conversational help about a document or highlighted passage.lex.page · read 21 Oct 2026
- Backups
- Lex says Heroku Postgres continuous protection allows database rollback to any point during the previous four days.lex.page · read 21 Oct 2026
- Brand voice controls
- Yeslex.page · read 23 Sep 2026
- Browser extension
- Nolex.page · read 23 Sep 2026
- Checks
- Checks provides line-level suggestions for brevity, grammar, readability and related edits.lex.page · read 21 Oct 2026
- Collaboration
- Documents and folders can be shared, and collaborators can edit together in real time through links.lex.page · read 21 Oct 2026
- Company facts
- LinkedIn lists Lex as privately held, founded in 2023, headquartered in San Francisco, with 2–10 employees.linkedin.com · read 21 Oct 2026
- Company legal name
- Lex’s Terms identify the provider as Lex, Inc.lex.page · read 21 Oct 2026
- Customization
- Lex supports custom reusable prompts and shared context tags that give its AI background about a team's voice, goals and past work.lex.page · read 5 Oct 2026
- Custom prompts
- Users can create reusable prompts and share them with collaborators.lex.page · read 21 Oct 2026
- Desktop app
- Nolex.page · read 23 Sep 2026
- Founder
- Citybiz identified Nathan Baschez as Lex’s 2023 founder and said Lex spun out of Every Media.citybiz.co · read 21 Oct 2026
