low cost, sustainable ai.
Get things done without burning your wallet or the planet.
Start in your terminal.
Paste the command below into your powershell or bash
curl -fsSL https://kiehl.ai/install.sh | bash
Start in your browser.
Create an account and start chatting — no install needed.
Create a free account, then open the chat.
Create account
We’re here to save you money, not keep you spending.
Start small, pay for what you use, and step up only when your work calls for it.
- Start small.$1 of usable credit gets you moving.
- Use what you need.Your balance follows routed compute.
- Step up gradually.A three-day window keeps replenishment bounded.
- Pay at cost.Zero compute markup; payment processing is the only addition.
One flat monthly price.
A predictable subscription with a usage window that resets every 5 hours and every week, so one heavy session can never blow through a month's budget.
-
Lite
$19/mo
Light day-to-day use — quick questions, small edits, the occasional refactor.
- ~10Mtokens / week
- ~2Mtokens / 5 hours
-
Pro
$99/mo
A daily driver for a working engineer — sustained sessions, multi-file changes, real agent work.
- ~57Mtokens / week
- ~11Mtokens / 5 hours
-
Max
$229/mo
Heavy usage — long-running agents, high request volume, no watching the meter.
- ~131Mtokens / week
- ~26Mtokens / 5 hours
What we optimize for.
energy + emissions + cost
completed task