TECH

AI Firm SiliconFlow Raises New Funds

Published: Sep. 22, 2026 12:55 p.m. GMT+8

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Chinese AI model inference service provider SiliconFlow has completed two funding rounds, bringing the total capital it raised in 2026 to nearly 2.9 billion yuan ($433 million).

The fundraising by one of China’s most prominent “middle-layer” AI startups underscores the growing market value of inference optimization services as surging token demand and tight computing power supply validate the company’s business model ahead of its planned Hong Kong IPO.

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SiliconFlow raised nearly 2.9 billion yuan ($433 million) in 2026 via two funding rounds, following a Series B valuing it at 7.7 billion yuan.
State-backed investors joined, including China Internet Investment Fund and China Reform Fund.
Revenue surged 650% to 55.3 million yuan in 2025, but net loss was 345 million yuan; token throughput reached 578.5 billion daily in April.

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Who’s Who

SiliconFlow: SiliconFlow is a Chinese AI inference service provider (a "middle-layer" startup) that raised nearly 2.9 billion yuan in 2026. Operating between AI applications and large models, its core product, SiliconCloud, serves over 170 models with 10 million users. Revenue surged 650% in 2025, though it remains unprofitable. It has filed for a Hong Kong IPO.

ByteDance Ltd.: ByteDance Ltd.'s Volcano Engine is a major Chinese MaaS (Model-as-a-Service) provider, ranking ahead of SiliconFlow in 2025 token call volume. Together with Alibaba Cloud, it controlled roughly 70% of China's MaaS market, according to IDC data.

Alibaba Cloud: Based on the article, Alibaba Cloud is a major MaaS (Model-as-a-Service) provider in China. In 2025, by token call volume, it was one of the top players ahead of SiliconFlow, collectively controlling about 70% of the market alongside ByteDance's Volcano Engine.

IDC: IDC (International Data Corporation, 国际数据公司) is a market research firm. According to IDC, SiliconFlow was China’s fourth-largest MaaS provider in 2025 by token call volume, behind ByteDance’s Volcano Engine and Alibaba Cloud, which together held about 70% market share.

China Internet Investment Fund: The China Internet Investment Fund is a state-backed investment firm that participated in SiliconFlow's recent funding rounds in 2026, alongside the China Reform Fund and China Mobile Chain Leader Fund. It joined other state-backed investors in backing the AI inference service provider during its Series B+ second tranche and Series C rounds.

China Reform Fund: Based on the article, China Reform Fund is a state-backed investment firm that participated in SiliconFlow's recent funding rounds (Series B+ and Series C) in 2026. It joined alongside other government-affiliated investors, supporting the Chinese AI inference startup's growth ahead of its planned Hong Kong IPO. No further details about the fund itself are provided in the article.

China Mobile Chain Leader Fund: China Mobile Chain Leader Fund is a state-backed investor that participated in SiliconFlow's recent Series B+ and Series C funding rounds. It joined alongside other state-backed investment firms and venture capitalists, supporting the AI inference service provider's capital raise, which totaled nearly 2.9 billion yuan in 2026.

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What Happened When

2026：: SiliconFlow completed two funding rounds (Series B+ second tranche and Series C), bringing total capital raised in 2026 to nearly 2.9 billion yuan.