Together AI adds MiniMax M3.1 Flash post-training with SFT and RL support

togethercompute · x · 2026-10-26

Together AI's Post-Training platform now supports MiniMax M3.1 Flash (256K context). Users can run SFT or RL (GRPO, PPO, custom losses; multi-LoRA or full-weight) with their own data, rewards, and environments while keeping the training loop in their own Python code. Together handles GPU capacity, training-rollout consistency for RL, parallelism, and model-tuned rollout engines, with parallel experiments and W&B-compatible tracking. Kimi-K3 and GLM-5.3 are also available on the platform.

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