Dolphin is being trained on Trinity Large Thinking 398B across 72 RTX 4090s
QuixiAI · x · 2026-07-28
Training Dolphin on top of Arcee AI’s Trinity Large Thinking 398B with Prime-RL reportedly uses 72× RTX 4090 48GB GPUs.
The attached screenshots show a large multi-node training run: many 4090s are near-full utilization, the trainer process is spread across dozens of GPUs, and the loss curve steadily declines over several hundred steps, suggesting the run is making progress at scale.
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