Published: August 4, 2025
South Korean AI chip startup Rebellions has secured investment from tech giant Samsung and is now aiming to raise up to $200 million in a new funding round ahead of its planned public listing, the company’s management told CNBC.
Following its merger with fellow South Korean startup Sapeon last year, Rebellions is emerging as a potential domestic rival to Nvidia. The company is currently seeking between $150 million and $200 million in new funding, Chief Financial Officer Sungkyue Shin told CNBC. Shin confirmed that Samsung's recent investment is part of the ongoing round, though he declined to disclose the exact amount.
Rebellions is collaborating with Samsung to bring its second-generation AI chip, known as Rebel, to market. Samsung, which operates a chip foundry business, will manufacture the chips. Four Rebel units will be combined to create the Rebel-Quad—Rebellions’ flagship product set for release later this year, according to a company spokesperson.
The current funding round will help support ongoing product development. Rebellions is in the testing phase for the Rebel chip, which is expected to enter mass production through Samsung.
“Initial results have been very promising,” Rebellions CEO Sunghyun Park told CNBC.
Samsung is producing Rebellions’ AI semiconductors using its cutting-edge 4-nanometer (nm) manufacturing process.
This process is considered one of the most advanced in chipmaking, comparable to the 4nm process used by Taiwan Semiconductor Manufacturing Co. (TSMC) for Nvidia's latest Blackwell chips.
Rebellions' chips will integrate High Bandwidth Memory (HBM), a stacked memory technology essential for handling large-scale data workloads.
The startup has not yet finalized its HBM supplier.
Samsung is actively working to strengthen its chipmaking division. Recently, Samsung Electronics secured a $16.5 billion contract to supply semiconductors to Tesla.
If Rebellions succeeds in attracting a strong customer base, it could become a significant client for Samsung’s foundry business, further boosting the tech giant’s semiconductor ambitions.
As Rebellions accelerates its product development and funding efforts, its collaboration with Samsung positions it as a formidable contender in the AI chip landscape.
Source: CNBC World
Prepared by: Next Move Strategy Consulting
Sanyukta Deb
— Sanyukta Deb is Digital Marketing Team Lead at Next Move Strategy Consulting, where she has led content strategy and technical SEO for the firm's B2B market research publications for over 2 years. Her editorial process translates NextMSC's primary and secondary research — spanning technology, industrial, and consumer sectors — into commercial narratives, backed by search-intent, keyword, and competitive analysis. She brings 5 years of overall experience in digital marketing and content strategy.
Debashree Dey
— Debashree Dey is Assistant Manager at Next Move Strategy Consulting, where she supports cross-vertical market content and communications across diverse industries for 6 years. Her professional background includes senior content writing, communications, and published manuscript authorship, with experience developing audience-focused business narratives and maintaining clear, consistent messaging. Her role supports research-led content development and editorial quality across NextMSC publications.
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