StepFun
PrivateLast Round
Growth Equity
May 8, 2026
Est. Valuation
$6.5B
Total Funding Raised
$4.42B
Momentum
Top 25%
of companies Caplight tracks
Company Overview
StepFun is a an artificial intelligence company that develops large-scale language and multimodal models.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, ML Platforms, Computer Vision, Workflow Automation, Autonomous Vehicles
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS, Freemium
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
StepFun Comparables
Compare StepFun with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| MiniMax | 89% | |
| Moonshot AI | 85% | |
| Baichuan AI | 80% | |
StepFun Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Growth Equity | May 8, 2026 | ||||
| Series B Extension | Jan 26, 2026 | ||||
| Series B | Dec 23, 2024 | ||||
| Series A | Feb 19, 2024 | ||||
| Angel | Jun 1, 2023 |
StepFun Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Hong Kong Investment Corporation | Growth Equity |
| ZhenFund | Angel |
| Shanghai State-owned Capital Investment | Series B |
| 5Y Capital | Series B Extension, Series B |
| Capital Today | Angel |
| Fortera Capital | Series B |
| Qiming Venture Partners | Series B Extension, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 3, 2026
Grew 32% QoQ, from 78 to 103 employees.
- May 22, 2026
Grew 32% QoQ, from 76 to 100 employees.
StepFun Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about StepFun's valuation, stock price, and market status.