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SOUL is the best way to code with AI.

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Stop reviewing code. Start proving systems work.

Spec to Software

Describe what you want. Watch it materialize. No babysitting required.

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Automated testing, simulation, and verification. The code proves itself.

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5 people outpacing teams of 500. That's the leverage.

Trusted by builders who ship.

"It was night and day from one batch to another. Adoption went from single digits to over 80%. It spread like wildfire."

DH
Diana Hu General Partner, Y Combinator

"The best LLM applications have an autonomy slider. You control how much independence to give the AI. Tab completion, targeted edits, or full autonomy."

AK
Andrej Karpathy CEO, Eureka Labs

"We are at the 1% of what's possible. It's in interactive experiences like this where the next generation of models shine brightest."

GB
Greg Brockman President, OpenAI

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