Stepfun
阶跃星辰
Stepfun, founded in 2023 in Shanghai, China, is an AI large language model application service provider.
Position in SVTR
Snapshot 2026-10-15- Startup Signals#9of 2,189–
- Foundation Models#5of 33–
About
Stepfun, founded in 2023 in Shanghai, China, is an AI large language model application service provider. The company has launched two consumer products — Yuewenyuewen and Maopao Duck — focused on multimodal output, and has partnered with OPPO and Honor in the enterprise market, aiming to become a mobile-side AI assistant.
Full tier & rationale — an SVTR Intelligence benefit
Timeline
- 2026-05FundingPre-IPO轮$2.5B
- 2026-01FundingB+轮$694M
- 2025-08Funding战略投资
- 2024-12FundingB轮$76M
Public events aggregated from this page; rating changes are member-only.
Capital graph
Founders / core team
Investors
Funding history
- 2026-05Pre-IPO$2.5B
Investors · 豪威集团、Huaqin Technology、上海龙旗科技股份有限公司
- 2026-01Series B$694M
Investors · 上国投先导基金、Huaqin Technology、国寿股权、浦东创投、XUHUI CAPITAL INVESTMENT、无锡梁溪基金、厦门国贸、Tencent、Qiming Venture Partners、Morningside Venture Capital
- 2025-08Strategic
Investors · 上海国投生态体系
Source · SVTR Weekly #116 - 2024-12Series B$76M
Investors · Morningside Venture Capital、Qiming Venture Partners、Tencent、上海国投公司旗下国投孚腾
Source · SVTR Weekly #085
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