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.

Original post →

More from Infra

Infra channel →