| Microsoft Cognitive Toolkit | cntk | Models saved in Microsoft Cognitive Toolkit format. |
| JAX/Flax Models | flax | Models created with Flax, a neural network library for JAX. |
| GGUF Models | gguf | General-purpose model format using GGUF. |
| Keras 3.x archive | keras3 | Newer Keras models using the latest Keras version. |
| Keras 1.x/2.x archive | keras_legacy | Older Keras models, often saved with HDF5. |
| Keras pickled model | keras_pickle | Keras models saved with Python pickle. |
| Keras 1.x/2.x HDF5 | keras_legacy_h5 | Legacy Models in HDF5 format. |
| Keras 3.x HDF5 | keras3_h5 | Models in HDF5 format, compatible with legacy and newer
versions. |
| Keras weights file | keras_weights | Separate files storing only model weights. |
| Keras model JSON | keras_model_json | Models saved in JSON format for architecture storage. |
| Keras metadata protobuf | keras_metadata | Auxiliary files that store metadata for Keras models. |
| LightGBM Models | lightgbm | Gradient boosting models using LightGBM. |
| Llamafile executable | llamafile | Distribute and Run LLMs with a single file. |
| Apache MXNet model | mxnet | Models saved in Apache MXNet format. |
| Numpy Array Files | numpy | Arrays saved in .npy format. |
| Numpy Zip Files | numpy_zip | Arrays compressed in .npz format. |
| Numpy Pickle Files | numpy_pickle | Arrays serialized with pickle. |
| ONNX Models | onnx | Models saved in Open Neural Network Exchange format. |
| OpenVINO Binary Weights | openvino_bin | Compiled binary files for OpenVINO. |
| OpenVINO XML Graph | openvino_xml | XML files storing OpenVINO model metadata. |
| Pickle Files | pickle | Models serialized using Python's pickle. |
| PyTorch v0.1.1 tar | pytorch_v0_1_1 | Models saved with v0.1.1 PyTorch version. |
| PyTorch v0.1.10 stacked | pytorch_v0_1_10 | Models saved with v0.1.10 PyTorch version. |
| PyTorch v1.3+ zip | pytorch_v1_13 | Models saved with v1.3+ PyTorch version. |
| PyTorch TorchScript | pytorch_torch_script | PyTorch's format for serializing models. |
| PyTorch model archive | pytorch_archive | Archived files containing serialized models. |
| Rockchip RKNN model | rknn | Models saved in Rockchip Neural Network (RKNN) format. |
| Safetensors Weights | safetensors | Models saved using safetensors format for secure tensor
storage. |
| Safetensors Index | safetensors_index | Index files for safetensors. |
| SKLearn Models | sklearn | Scikit-learn models serialized for deployment. |
| TensorRT Engine | tensorrt | NVIDIA's TensorRT models optimized for inference. |
| TensorFlow SavedModel | tensorflow | TensorFlow's standard saved model format. |
| TensorFlow Hub module | tf_hub | Models from TensorFlow Hub. |
| TensorFlow MetaGraph | tf_meta_graph | TensorFlow's MetaGraph format for exporting graphs. |
| TensorFlow Lite/LiteRT | litert | TensorFlow Lightweight format. |
| TensorFlow Lite JSON | litert_json | Lightweight format for mobile and embedded devices. |
| TensorFlow.js model | tf_js | TensorFlow.js format for models running in the browser. |
| Torch7 Models | torch | General format for PyTorch models. |
| JSON Files | json | JSON-based configurations or model descriptions. |
| Joblib serialized | joblib | Python library that facilitates efficient serialization and
deserialization of Python objects. |
| Tar archive | tar | A single file that bundles multiple files and directories together,
preserving their original structure, permissions, and other file system
metadata. |
| Zip archive | zip | A file format that combines multiple files into a single compressed
archive, making it easier to store, send, and share. |
| NVIDIA NeMo model | nemo | Scalable and cloud-native generative AI framework. |
| Zlib compressed | zlib | Lossless data compression method. |
| Gzip compressed | gzip | Lossless data compression and decompression. |
| Bzip2 compressed | bzip2 | Files compressed using the bzip2 algorithm. |
| LZMA compressed | lzma | Lossless data compression algorithm with high compression
ratio. |
| XZ compressed | xz | Data compression tool in Linux. |
| LZ4 compressed | lz4 | Extremely fast compression algorithm. |
| 7-Zip archive | 7_zip | Compressed archive file format created by the open-source 7-Zip
tool. |
| Hydra config | hydra | Open-source Python framework. |
| YAML file | yaml | Human-readable data serialization language, often used for
configuration files, to structure data like lists and key-value
pairs. |
