micro1 to spend $1bn buying company data to train AI agents
San Francisco-based AI training company micro1 said it will spend $1bn over the next 12 months buying and licensing operational data from companies. Citi and Hercules Capital are providing the capital, which will flow through micro1's Company Data Partnerships programme.
AWS introduces search agent fine-tuning with multi-turn RL on SageMaker AI
AWS announced fine-tuning of search agents with multi-turn reinforcement learning (MTRL) on Amazon SageMaker AI. The approach optimizes the agent across the full multi-turn trajectory rather than single responses, aiming to combine a small model's speed and cost with the reliability that would otherwise require a frontier model. AWS shared the results it observed in retrieval quality and reliabili