Est. 2026 · Los Angeles, CA

Developing models that refine themselves.

Arch advances how AI reasons. We develop systems that think in the open, verify their own work, and refine themselves, toward something that understands what it knows and repairs what it gets wrong.

percentof requirements the model had never seen, met and checked by physics simulation.
percentless computation at equal accuracy, measured against a fixed baseline.
longerproblems than it trained on, solved by thinking longer at run time.

Why we exist

Reasoning you can trust is reasoning you can check.

01

Reason in the open

Reasoning that can be viewed, not a sealed answer.

02

Verify its work

Knowing when it is right, and when it is not.

03

Refine itself

Sharper with every iteration, and measured at each one.

Latest research

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Contact

Start with the research. It is written to be read.

If you need more than the page can give, from a simple question to a full walkthrough of the evidence, write to us.

[email protected]