Lumen
Long-form notes,
rebuilt for thinking.

Product

Notes that follow your reasoning, not the cursor.

Free

$0

Pro

$20

Team

$30

Plans

Pick the plan that fits how you work.

Forge,
a workshop for builders.

Developers

Forge is now generally available.

Latest

Research

How small models learn to reason about the physical world.

Safety

An honest look at where today's safety stack still falls short.

Company

Bringing reliable agents to the daily workflows of every team.

Update

What we shipped in the spring release.

Ask Lumen anything.

Stories from the field

Field notes

How a co-op in Iowa built its own forecasting agent.

Profile

Two researchers on what it takes to deploy in agriculture.

Customer story

Putting Lumen on the factory floor at Northwind Tools.

Latest research

Research

Sparse routing for long-horizon planning

Research

A simpler objective for value alignment

Gravity

Demo

Gravity: a lightweight simulator for embodied agents

Built with Lumen

VOLT

Customer story

VOLT cuts research time in half across its product team.

Helio Labs

Customer story

Helio Labs ships internal tools 4× faster with Lumen.

Northwind

Customer story

Northwind brings agent-assisted support to 30 markets.

Get started with Lumen

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