Together AI launches Post-Training service for custom models

Together AI on 2026-10-19 introduced Together Post-Training, a service aimed at helping developers build custom models using reinforcement learning and supervised fine-tuning while the company manages the underlying infrastructure, according to the company’s blog post published that day. The launch is positioned as a way to let users define their own training loops while Together handles the GPU systems underneath, including Model Resources, Training Sessions, Trainer instances and Generator instances, the company said.

Source: Blockchain.News