Build a ChatGPT‑Scale Open‑Source Model with ColossalAI’s End‑to‑End RLHF Pipeline

This article introduces ColossalChat, an open‑source ChatGPT‑like model built on LLaMA and the Colossal‑AI framework, detailing its full RLHF workflow, bilingual dataset, low‑cost training tricks, quantized inference, and step‑by‑step code to help developers quickly replicate large‑language‑model capabilities.

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Build a ChatGPT‑Scale Open‑Source Model with ColossalAI’s End‑to‑End RLHF Pipeline

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Mar 31, 2023 · Artificial Intelligence

How ColossalChat Replicates ChatGPT with a Complete Open‑Source RLHF Pipeline

ColossalChat, an open‑source project built on LLaMA, offers a full RLHF pipeline—including supervised fine‑tuning, reward‑model training, and reinforcement learning—enabling low‑cost, bilingual ChatGPT‑like models with 4‑bit quantized inference, detailed code, dataset, and performance optimizations.

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How ColossalChat Replicates ChatGPT with a Complete Open‑Source RLHF Pipeline