Osmosis

San Francisco, California, United StatesY Combinator W25AI and machine learningB2B Hiring remotely worldwideosmosis.ai

Osmosis is a post-training platform that helps companies fine-tune language models using reinforcement learning. We work with fast-growing AI companies to train task/domain-specific models that beat foundation models on performance, cost, and latency. Our platform handles compute orchestration, reward modeling, and training run observability as a CLI-based product usable by developers and agents.

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