KlaatAI is one brain for chat, terminal coding and API — powered by Klaatu-o1, a router that sends every task to the right model so you get frontier power when it matters and instant, low-cost answers everywhere else.
Developers juggle a dozen AI tools and models. You pay frontier prices to fix a typo, lose context every time you switch between editor, terminal and chat, and still end up copy-pasting your codebase into a box that has never seen it.
We thought it should work the other way around: the tool should understand the task, your code, and you — then quietly pick the cheapest model that can nail it, and reach for the big guns only when the work demands it.
That idea became Klaatu-o1, and KlaatAI is what it powers.
What is Klaatu
Klaatu-o1 is a server-side router that sends every request to the cheapest model tier that can handle it — then keeps learning how you work.
nanoKlaatu NanoTrivial turns, completions, acksfastKlaatu FlashQuick questions, small editscodeKlaatu CoreDefault — most coding workreasonKlaatu ReasonDebugging, architecture, tricky logicheavyKlaatu UltraLarge refactors, hardest problemsOne account, three surfaces
Your usage, memory and plan follow you everywhere.
A fast, clean chat at klaatai.com — every message routed to the right model automatically.
A terminal-native agent that indexes your repo into a live Code Graph and edits, runs and reviews code.
Point your tools at one endpoint and get smart routing under the hood — pay-as-you-go.
How it works
Four systems work together under Klaatu-o1.
A 4-layer router — fast regex → lightweight classifier → your personal style bias → live model-health — sends each task to the right tier across 30+ models.
KlaatCode parses your codebase into symbols, call edges and semantic search, so the AI answers from your real structure — not a guess.
It remembers your stack, decisions and preferences across sessions, surfacing what you use most and quietly forgetting the rest.
Failing models are demoted automatically and ~80% of work runs on fast, low-cost tiers — frontier models fire only when the task earns it.
What we stand for
We win by routing efficiently, not by overcharging. Most requests cost a fraction of a frontier-only tool.
Your code and memory are yours. We default to the most privacy-preserving option and never sell your data.
CLI, web and API share one account. Built for how engineers actually work — terminal included.
No lock-in to a single lab. As better models ship, the router adopts them — you just keep working.
Start free — 30 smart requests a day, no credit card. Upgrade when you need the whole brain.