Stack L4
Rebellions
Korean sovereign-AI inference chip maker; REBEL 4nm + Sapeon merger, $1.4B Series C valuation
HQ KR
Recent Business Signals
Sep 22, 2026
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SK Telecom Deploys Rebellions NPU Across Four Commercial AI Services - thelec.net SK Telecom Deploys Rebellions NPU Across Four Commercial AI Services thelec.net
source: gnews-rebellions
Sep 22, 2026
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Rebellions NPUs Now Run Four SK Telecom AI Services - rcrwireless.com Rebellions NPUs Now Run Four SK Telecom AI Services rcrwireless.com
source: gnews-rebellions
Sep 21, 2026
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Rebellions NPU Powers Four SK Telecom AI Services - thelec.net Rebellions NPU Powers Four SK Telecom AI Services thelec.net
source: gnews-rebellions
Sep 21, 2026
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Rebellions NPU Deployed Across All 4 of SK Telecom's Commercial AI Services, Processing 4 Billion Tokens Daily - finance.biggo.com Rebellions NPU Deployed Across All 4 of SK Telecom's Commercial AI Services, Processing 4 Billion Tokens Dail…
source: gnews-rebellions
Sep 21, 2026
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Rebellions chips process over 4 billion tokens a day for SK Telecom - digitimes Rebellions chips process over 4 billion tokens a day for SK Telecom digitimes
source: gnews-rebellions
Sep 1, 2026
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Rebellions, Nvidia discuss tie-up, testing S.Korea’s sovereign AI ambitions - KED Global Rebellions, Nvidia discuss tie-up, testing S.Korea’s sovereign AI ambitions KED Global
source: gnews-rebellions
Aug 27, 2026
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Nvidia Reaches Out to Korean AI Chip Startup Rebellions - 인사이트코리아 Nvidia Reaches Out to Korean AI Chip Startup Rebellions 인사이트코리아
source: gnews-rebellions
Aug 14, 2026
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Rebellions Bets on Memory-Centric Architecture as It Weighs IPO Options - EE Times Rebellions Bets on Memory-Centric Architecture as It Weighs IPO Options EE Times
source: gnews-rebellions
Aug 10, 2026
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Rebellions Revenue 2025: $53.3M ARR (Bootstrapped) - GetLatka Rebellions Revenue 2025: $53.3M ARR (Bootstrapped) GetLatka
source: gnews-rebellions
Jul 25, 2026
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Rebellions teams with Arm and SKT to power South Korea’s AI inference shift - CHOSUNBIZ - Chosunbiz Rebellions teams with Arm and SKT to power South Korea’s AI inference shift - CHOSUNBIZ Chosunbiz
source: gnews-rebellions
Jul 23, 2026
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Rebellions' Sunghyun Park on Redefining AI Inference with High-Efficiency AI Infrastructure - The Fast Mode Rebellions' Sunghyun Park on Redefining AI Inference with High-Efficiency AI Infrastructure The Fast Mode
source: gnews-rebellions
Jul 8, 2026
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Rebellions Targets IPO on South Korea's KOSPI Next Year - Let's Data Science Rebellions Targets IPO on South Korea's KOSPI Next Year Let's Data Science
source: gnews-rebellions
Funding & valuation history
Mar 30, 2026 · funding-research
Rebellions raised $400 million in a pre-IPO round at a $2.34 billion valuation, led by Mirae Asset Financial Group and Korea National Growth Fund (the fund's first investment as part of the K-Nvidia initiative) on March 30, 2026.
Mar 30, 2026 · funding-research
Rebellions raised $400 million in a pre-IPO round led by Mirae Asset Financial Group and the Korea National Growth Fund, valuing the company at approximately $2.34 billion.
Mar 30, 2026 · funding-research
Rebellions closed a $400 million pre-IPO funding round at a $2.34 billion valuation, led by Mirae Asset Financial Group and the Korea National Growth Fund.
Mar 30, 2026 · funding-research
Rebellions raised $400 million in a pre-IPO round led by Mirae Asset Financial Group and the Korea National Growth Fund, bringing its valuation to approximately $2.34 billion.
Nov 10, 2025 · funding-research
Rebellions extended its Series C round with new U.S. participation from Kindred Ventures and Top Tier Capital Partners.
Nov 1, 2025 · funding-research
Rebellions raised $250 million in a Series C round at a $1.38 billion final valuation, with investors including Arm (its first investment in a Korean startup), Samsung Venture Investment, Pegatron VC, Kindred Ventures, and Top Tier Capital Partners; the round closed November 10, 2025.
Sep 30, 2025 · funding-research
Rebellions raised $250 million in a Series C round led by Arm, Samsung Ventures, and Pegatron VC at a $1.4 billion valuation.
Sep 30, 2025 · funding-research
Rebellions closed the initial tranche of its $250 million Series C round, backed by Arm, Samsung, Samsung Ventures, Pegatron VC, Korea Development Bank, Korelya Capital, and Lion X Ventures.
Sep 1, 2025 · funding-research
Rebellions completed a $250 million Series C at a $1.4 billion valuation, backed by Arm and Samsung Ventures.
Jun 12, 2025 · ai_synthesis_sdk
Rebellions pursued a Series C financing in 2025, with reports valuing the company at roughly $1.4 billion, up from the ~$1 billion unicorn valuation it reached after its 2024 Series B.
Strategic Position
What they do best
Building Korea-sovereign LLM inference silicon by stacking domestic supply (Samsung 4nm foundry + SK hynix HBM3E, signal 39087c5e) under one roadmap.
Their bet
REBEL chiplet on Arm Neoverse CSS (signal 7bf20cc2) plus 2026 chiplet-packaging and MLIR-compiler hiring bets that modular chiplets beat monolithic GPUs for datacenter inference.
Top risk
REBEL on Samsung 4nm has no disclosed production silicon or named customer; a slip past the 2025-08-26 spec into 2026 with zero design wins would strand the $1.4B valuation.
Compared to peers
Direct competitor
Groq
Groq already sells inference via GroqCloud LPUs; Rebellions' REBEL is pre-production silicon with no commercial inference service yet.
Substitute
Tenstorrent
Tenstorrent offers the same sovereign-AI pitch with shipping RISC-V chips and open TT-Metalium; Rebellions leans on Arm CSS IP and a closed Samsung/SK hynix supply chain.
Why someone would join
- 1.Series C closed mid-2025 at ~$1.4B (signal f99f5aa6), 40% above the post-Series B ~$1B unicorn mark, with Arm as a strategic investor (signal 7bf20cc2) — funded runway through REBEL tape-out.
- 2.Full-stack chip ownership: 2026 hires span RTL/NPU microarch (2026-03-03), MLIR compiler (2026-02-20) and chiplet packaging (2026-04-28), so engineers touch silicon-to-software on Samsung 4nm REBEL.
Recent Hiring (60 days)
No specialty signals in the last 60 days.