{"announced_on":"2026-10-07","company_name":"Preference Model","company_slug":"preference-model","description":"Reinforcement-learning environments for AI research and ML engineering; open-sourced Karotte, hardened over 1M+ evaluation runs. Round size not disclosed.","lead_investors":[],"participating_investors":["Andreessen Horowitz"],"source_url":"https://a16z.com/announcement/investing-in-preference-model/","stage":"unknown"}