Together Post-Training launches: turn open models into custom models via SFT or RL

togethercompute · x · 2026-10-20

Together AI launches Together Post-Training, letting users turn open models into custom models they own via SFT or RL.

Users define the data, rewards, environments and the training loop itself, while Together runs the underlying infrastructure tuned for quality and speed. A beta tester describes it as agent-friendly and suitable for most use cases.

Related event: Together AI Launches Post-Training Service for Custom SFT/RL Models(6 posts)→

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