K-Scale Labs, Inc. was an open-source humanoid robotics startup co-founded by Benjamin Bolte and Rui Xu that shut down in November 2025 after failing to secure additional financing. K-Scale Labs's Twitter Score is 35 out of 1000 as of September 2026, ranking #27,258 (top 10%) among 486,860 tracked accounts.
K-Scale Labs built an open-source stack for humanoid robotics, spanning hardware and software, including the K-Bot platform, the Stompy design, K-Sim tooling, and a vision-language model. The company was a member of Y Combinator's Winter 2024 batch, which Y Combinator now lists as inactive. In February 2025, K-Scale Labs raised approximately $4 million at a $50 million valuation in a seed round led by Fellows Fund, with participation from GFT Ventures, Pioneer Fund, AI Grant, Lombardstreet Ventures, Ninja Capital, and Nat Friedman and Daniel Gross.
K-Scale Labs ceased operations in November 2025 with roughly $400,000 in remaining cash and stated its intention to refund deposits placed on robot orders. The account has published 342 posts and has been active since 2023. K-Scale Labs has been mentioned by 11 accounts, with 17 total mentions.
Who follows K-Scale Labs on X?
The accounts that follow K-Scale Labs include 150 founders, 46 angel investors and 39 influencers, among them Marc Andreessen, 6529, Andrew Kang, Garry Tan, Loomdart and Matthew Graham.