K-Scale Labs developed the open-source K-Bot humanoid; it has cancelled K-Bot orders and open-sourced all its IP, ending commercial operations.
K-Scale Labs was a U.S. open-source humanoid robotics startup developing the Stompy, Z-Bot, and K-Bot platforms, with an integrated hardware, operating-system, simulation, and reinforcement-learning stack. It raised approximately USD 4 million in a February 2025 seed round, delivered its first K-Bot in September 2025, then cancelled remaining orders, refunded deposits, laid off most staff, and released its hardware and software IP after failing to secure follow-on funding in November 2025. Its ecosystem reach included Y Combinator, Fellows Fund, Nat Friedman and Daniel Gross, OpenAI-linked supporters, Tao Motors/Denago manufacturing relationships, and a developer community; no operating company remains.
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Traction: deployment, production, commercials, progress. Capability: technology, positioning, firepower, leverage.
K-Scale Labs developed the open-source K-Bot humanoid; it has cancelled K-Bot orders and open-sourced all its IP, ending commercial operations. K-Scale Labs was a U.S. open-source humanoid robotics startup developing the Stompy, Z-Bot, and K-Bot platforms, with an integrated hardware, operating-system, simulation, and reinforcement-learning stack. It raised approximately USD 4 million in a February 2025 seed round, delivered its first K-Bot in September 2025, then cancelled remaining orders, refunded deposits, laid off most staff, and rel
K-Scale Labs is on the Humanoids retired list of Frontier Tech Intelligence with a score of 36 out of 100, below the Top 100.
K-Scale Labs is based in United States.
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