Discover
Pick a mode and LUMEN opens a focused chat tuned for it — the right model, the right opening question.
Drafts in your voice
Emails, posts, and docs that sound like you wrote them on a good day.
Sharper, tighter prose
Paste any text and get it cleaner, clearer, and more persuasive.
Build it together
Write, explain, and refactor code across most languages and frameworks.
Find the root cause
Paste an error and the code; get the cause and the smallest correct fix.
From data to decisions
Turn numbers and messy context into clear, defensible conclusions.
See the whole board
Pressure-test a plan, weigh trade-offs, and find the next right move.
Understand anything
Plain explanations, good analogies, and a quiz to make it stick.
Practice a new language
Conversational practice with gentle corrections and new vocabulary.