hpcaitech/ColossalAI

Prefer upstream unless you specifically need this exact older snapshot. Choose this fork only if you want a frozen baseline and are comfortable owning all upgrades and fixes yourself.

Prefer this fork only if its added inference and ColossalChat alignment workflows match your exact needs. If you want the most current, broadly maintained ColossalAI base, upstream is the safer choice.

Prefer this fork only if its zero-bubble and low-level customization work matches your exact use case. If you want a broadly maintained ColossalAI platform with current model support and lower integration risk, upstream is the safer choice.

Prefer this fork only if you need its specific older customizations. For new adopters, upstream ColossalAI is the safer choice because this fork is substantially stale and likely missing newer model, quantization, and kernel support.

Choose this fork only if you want its specific experimental LLM modifications and are prepared to maintain a large, stale divergence. If you want current ColossalAI capabilities, upstream is the safer default.

Prefer upstream unless you specifically need this fork’s older customizations and are prepared to maintain a large divergence yourself.

Prefer upstream unless you specifically need this fork’s older experimental state or its local kernel/parallellism changes. For most adopters, the fork is too stale and too divergent to be a safe base.

Prefer this fork only if you need its older experimental ColossalAI branches and are prepared to maintain a large, stale codebase yourself. For general adoption, upstream is the better choice because it is much newer, actively maintained, and materially more complete.