Reasoning engine
Long-horizon models that hold context across weeks of work, not minutes of chat.

Lumen Intelligence
A quiet, powerful system for the work that matters — research, reasoning and decisions made in the open.
What we build
Lumen treats intelligence as a craft. The system shows its work, holds its context, and hands the last decision back to you.
Long-horizon models that hold context across weeks of work, not minutes of chat.
Every answer carries its sources, its uncertainty and the path it took to get there.
Interfaces designed so judgment stays with the person, and the machine stays legible.

128k
documents reasoned over per run
40ms
median first token
99.99%
platform availability
31
regions at the edge
In motion

Threads that remember. A workspace keeps every source, correction and dead end.
Evidence first. Claims are linked, ranked and contestable by anyone on the team.
Calm by default. No confetti, no urgency theatre — just depth and quiet.