Preference Model
AI alignment and safety data infrastructure
Preference Model builds AI alignment and safety data infrastructure; CEO Jennifer Zhou and cofounder Ning Cao lead the company. Andreessen Horowitz announced on 2026-10-07 a $16 million seed investment, with SignalFire and South Park Commons also participating. The team maintains the Karotte open-source project per a16z.
AI
Current Valuation
Private
PRIVATE
IPO Outlookprivate
Is Preference Model going public?
No. Preference Model is private and has not filed to go public. There is no S-1 on file.
What is Preference Model's valuation in 2026?
No confirmed valuation is on record for Preference Model. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Preference Model filed an S-1?
No public S-1 is on file for Preference Model.
Who are Preference Model's investors?
Preference Model's investors include Andreessen Horowitz, SignalFire, South Park Commons.
How much has Preference Model raised?
Preference Model has raised $16M in total across 1 disclosed round, most recently a Seed of $16M in Oct 2026.
Is Preference Model publicly traded — can you buy Preference Model stock?
No. Preference Model is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Preference Model on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
Growth
$16M seed led by a16z (Oct 2026)
Last Round
Seed — $16M (Oct 2026) · Lead: Andreessen Horowitz
Fundraising Status
Seed · $16M · this month
privateTotal raised $16M1 disclosed rounds
Funding History
| Round | Amount | Date | Lead Investor | Post-Money |
|---|
| Seed | $16M | Oct 2026 | Andreessen Horowitz | — |
Vertical Intelligence — AI / ML
AI / ML registry data for Preference Model has not been collected yet — the weekly vertical sweep hasn't reached this company. Check back soon.
Talent Signal
Hiring data for Preference Model has not been collected yet — the monthly talent sweep hasn't reached this company. Check back soon.
Investors
Andreessen Horowitz · SignalFire · South Park Commons
Products
- Karotte open-source alignment tooling
- Alignment/safety data for AI systems
AIAI SafetyAlignmentRecently Funded
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.