[Prime Intellect Launches Reinforcement Learning Fine-Tuning Service to Support AI-Native Companies in Customizing Agents] Decentralized AI protocol Prime Intellect has released a Reinforcement Learning Fine-Tuning (RFT) service, offering a full-stack RL infrastructure to help AI-native companies create and train customized agents. The service includes an rl-trainer, validator, and environment hub, enabling model training in reinforcement learning environments. Additionally, Prime Sandboxes, isolated Docker environments designed for secure code execution and LLM benchmarking, have also been introduced. Earlier reports indicate that the decentralized AI protocol Prime Intellect completed a $15 million funding round, led by Founders Fund.