This patch release replaces mandatory requests dependency with an optional httpx dependency.

Install this version with

# Training + Inference
pip install sentence-transformers[train]==5.2.2

# Inference only, use one of:
pip install sentence-transformers==5.2.2
pip install sentence-transformers[onnx-gpu]==5.2.2
pip install sentence-transformers[onnx]==5.2.2
pip install sentence-transformers[openvino]==5.2.2

Transformers v5 Support

Transformers v5.0 and its required huggingface_hub versions have dropped support of requests in favor of httpx. The former was also used in sentence-transformers, but not listed explicitly as a dependency. This patch removes the use of requests in favor of , although it's now optional and not automatically imported. This should also save some import time.