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Backed by Andreessen Horowitz, SignalFire +5 more · verified emails and LinkedIn on Datapile
a16z leads $16M seed for AI data startup Preference Model - Dealroom
Preference Model, an AI data research company, has raised $16 million in seed funding led by Andreessen Horowitz. The company is open-sourcing Karotte, a framework for building reinforcement learning environments that resist reward hacks, and has built RL environments for several frontier labs. This funding round, ranking in the 98th percentile for enterprise software seed rounds, highlights investor confidence in the data and training infrastructure for advanced AI systems.
a16z leads $16M seed for AI data startup Preference Model Dealroom
| Oct 08, 2026 | Natron Energy | $10.2M | — | United States |
| Oct 08, 2026 | Hone | $60.0M | Seed | United States |
| Oct 08, 2026 | Arena | $200.0M | Series B | United States |
| Oct 08, 2026 | Quaise Energy | $25.0M | Grant | United States |
You just read who funded Preference Model. The same database has the investors behind every other round — with verified emails, check sizes and the stages they actually write at.
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