Halo

Halo is an open-source framework built by White Circle for training large language and multimodal models

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Pricing

free

Website

whitecircle.com

Listed

Sep 2026

Last updated: September 28, 2026

About Halo

Fast, distributed training for LLMs and multimodal models, with Hugging Face-native checkpointing and multi-turn RL without Megatron.

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