Together launches post-training service with $9/GPU-hour B200 pricing, lets you own the RL loop

togethercompute · x · 2026-10-21

Together AI is offering B200 post-training at $9/GPU-hour for the first eight weeks, down from $11, supporting both SFT and reinforcement learning.

The pitch: you keep the training loop. Write your recipe in Python with your own data, prompts, rewards (GRPO, PPO, or custom losses; Multi-LoRA or full-weight), while Together handles GPU capacity, training-rollout consistency for RL, parallelism, and per-model tuned rollout engines. You can run parallel LoRA experiments on one reservation, track in your own tools like W&B, and the trained model is fully yours to deploy. Tinker-compatible, with cookbook recipes included.

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