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StepFun

ActiveChinese company · shown for reference, never ranked

Shanghai company building the Step series of language and multimodal models, partly open-sourced, for device makers, developers and businesses.

Artificial intelligence›Foundation modelsstepfun.com
HQChina
Last roundPre-IPO round · May 2026

Chinese company · shown for reference, never ranked

Why →

Uback does not rank or value Chinese companies and no intention can be declared on them. StepFun is shown with dated published facts only, as a reference for the foundation models segment.

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Full foundation models ranking →

Funding history

DateRoundAmountTypeInvestors
May 2026Pre-IPO roundUSD 2.5bnEquityHuaqin, OmniVision, ZTE, Hong Kong Investment Corp, Tencent, Qiming, 5Y Capital

Rounds as cited by Uback’s rankings. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

Uback rankings

How the AI ranks →
RankingTierRankEditionNext update
Foundation models · worldwideFor reference, never ranked—Edition 0 · Oct 20264 Jan 2027

Independent analyses

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Last updated: Oct 2026Report an error

Uback is a content publisher and an aggregator of non-binding expressions of interest. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.