# Preference Model

> AI research-data company building reinforcement-learning environments for frontier model labs.

## Why it is interesting

Preference Model is targeting a key scaling constraint for advanced AI: creating evaluation and reinforcement-learning environments that remain difficult as models improve and resist reward hacking.

## Profile

- **Latest funding:** Seed — $16M (October 7, 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $16M
- **Stage:** seed
- **Status:** private
- **Industries:** ai-ml, developer-tools, infra-cloud
- **Coverage:** full
- **Last updated:** 2026-10-10
- **Latest funding investors:** Andreessen Horowitz, SignalFire, South Park Commons, Scale Angels

## Key facts

- $16M seed led by Andreessen Horowitz in October 2026
- SignalFire, South Park Commons and Scale Angels participated
- Karotte framework open-sourced at launch
- Company says its environment tooling has been hardened through more than one million evaluation runs

## Funding history

- Seed · $16M · October 7, 2026
  Source: https://www.wsgr.com/en/insights/wilson-sonsini-advises-preference-model-on-dollar16-million-seed-funding-as-it-emerges-from-stealth.html

## Investors in our directory

- https://venturecapitaltracker.com/fund/andreessen-horowitz
- https://venturecapitaltracker.com/fund/signalfire
- https://venturecapitaltracker.com/fund/south-park-commons

## Related articles

- https://venturecapitaltracker.com/preference-model-16m-seed-ai-training-environments

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 10, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/preference-model