Updating Unsloth

To update or use an old version of Unsloth, follow the steps below:

Standard Updating (recommended):

pip install --upgrade unsloth unsloth_zoo

Updating without dependency updates:

pip install --upgrade --force-reinstall --no-cache-dir --no-deps unsloth
pip install --upgrade --force-reinstall --no-cache-dir --no-deps unsloth_zoo

To use an old version of Unsloth:

pip install --force-reinstall --no-cache-dir --no-deps unsloth==2025.1.5

'2025.1.5' is one of the previous old versions of Unsloth. Change it to a specific release listed on our Github here.