Rebellions Inc. () is a South Korean semiconductor company founded in 2020 that develops and designs artificial intelligence chips. Following a merger with Sapeon Korea, the company became South Korea's first "unicorn" in the AI chips industry.
Rebellions was founded in September 2020 by Park Sung-hyun, Oh Jin-wook, Kim Hyo-eun, and Shin Sung-ho.
The company launched its first chip, Ion, in 2021.
In January 2024, Rebellions raised US$124 million in a Series B funding round led by South Korean telecom company KT.
In December 2024, Rebellions mergered with Sapeon Korea, the AI chip subsidiary of SK Telecom.
In September 2025, Rebellions raised $250 million at a $1.4 billion valuation.