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Osmosis

AI · US · Early-stage
osmosis.ai
Artificial IntelligenceMachine LearningReinforcement LearningInfrastructure

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.

Founded
2025
Headquarters
San Francisco, CA, USA
Team size
1–10
Stage
Early-stage
📊 Coliseo ratings
🏆 Overall 1481 Elo
1479
💰 Conviction
Provisional
1486
🔥 Momentum
Provisional
1478
🧲 Talent
Provisional
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