Halo open-source post-training framework hits 2.8x TRL throughput
prasenx · x · 2026-09-22
WhiteCircle released Halo, an open-source post-training framework for fine-tuning open models. It delivers up to 2.8x the throughput of stock TRL with lower peak memory, keeps models in native HuggingFace format, and claims adding a new model takes 100 lines — making fine-tuning your own AI dramatically easier.
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