StepFun
StepFun funding
Shanghai foundation-model startup building the Step series of multimodal, audio and video models; filed for a Hong Kong IPO in 2026.
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Key stats
- $2.5B
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- 1
- 1
- 0
- 0
- May 15, 2026
- Financial
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Recent releases
May 15, 2026StepFun raises ~$2.5B pre-IPO roundFunding round
StepFun raised roughly $2.5B in a pre-IPO round ahead of its Hong Kong listing filing.
Upcoming
Jun 8, 2026StepFun targets ~$12B valuation in Hong Kong IPORumoredValuation
StepFun filed for a Hong Kong IPO at a reported valuation of about $12B (WSJ).
Models
| Model | Released | Open source | ||||||
|---|---|---|---|---|---|---|---|---|
| No models recorded. | ||||||||
Platforms & products
| Name | Type | Category | Launched | Status | ||||
|---|---|---|---|---|---|---|---|---|
| No platforms or products recorded. | ||||||||
Sources
- Jun 8, 2026 · StepFun targets ~$12B valuation in Hong Kong IPOThe Wall Street Journal (reported)
- May 15, 2026 · StepFun raises ~$2.5B pre-IPO roundPress reports
StepFun FAQ
How much funding has StepFun raised?
The Artificial Index records $2.5B in funding for StepFun across 1 round. The most recent is StepFun raises ~$2.5B pre-IPO round (May 15, 2026).
When and where was StepFun founded?
StepFun was founded in 2023 and is based in China.
What is StepFun's latest release?
The most recent StepFun release recorded is StepFun raises ~$2.5B pre-IPO round, released May 15, 2026.

