diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d85b47..0fbdcae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ Keep it human-readable, your future self will thank you!
 - Add support for unstructured grids
 - Add CONTRIBUTORS.md file (#36)
 - Add sanetise command
+- Add support for huggingface
 
 ### Changed
 - Change `write_initial_state` default value to `true`
diff --git a/docs/configs/top-level.rst b/docs/configs/top-level.rst
index 0e3a709..2168825 100644
--- a/docs/configs/top-level.rst
+++ b/docs/configs/top-level.rst
@@ -11,13 +11,21 @@ The following options control the inference process:
 checkpoint:
 ===========
 
-The only compulsory option is ``checkpoint``, which specifies the path
-to the checkpoint file.
+The only compulsory option is ``checkpoint``, which specifies the
+checkpoint file. It can be a path to a local file, or a huggingface
+config.
 
 .. code:: yaml
 
    checkpoint: /path/to/checkpoint.ckpt
 
+.. code:: yaml
+
+   checkpoint:
+      huggingface:
+         repo_id: "ecmwf/aifs-single"
+         filename: "aifs_single_v0.2.1.ckpt"
+
 device:
 =======
 
diff --git a/pyproject.toml b/pyproject.toml
index 8794e02..a3d2376 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,8 +68,9 @@ optional-dependencies.docs = [
   "sphinx-rtd-theme",
 ]
 
-optional-dependencies.plugin = [ "ai-models>=0.7", "tqdm" ]
+optional-dependencies.huggingface = [ "huggingface-hub" ]
 
+optional-dependencies.plugin = [ "ai-models>=0.7", "tqdm" ]
 optional-dependencies.tests = [ "anemoi-datasets[all]", "hypothesis", "pytest" ]
 
 urls.Documentation = "https://anemoi-inference.readthedocs.io/"
diff --git a/src/anemoi/inference/checkpoint.py b/src/anemoi/inference/checkpoint.py
index fa789de..9410aca 100644
--- a/src/anemoi/inference/checkpoint.py
+++ b/src/anemoi/inference/checkpoint.py
@@ -21,6 +21,17 @@
 LOG = logging.getLogger(__name__)
 
 
+def _download_huggingfacehub(huggingface_config):
+    """Download model from huggingface"""
+    try:
+        from huggingface_hub import hf_hub_download
+    except ImportError as e:
+        raise ImportError("Could not import `huggingface_hub`, please run `pip install huggingface_hub`.") from e
+
+    config_path = hf_hub_download(**huggingface_config)
+    return config_path
+
+
 class Checkpoint:
     """Represents an inference checkpoint."""
 
@@ -31,13 +42,30 @@ def __init__(self, path, *, patch_metadata=None):
     def __repr__(self):
         return f"Checkpoint({self.path})"
 
+    @cached_property
+    def path(self):
+        import json
+
+        try:
+            self._model = json.loads(self._model)
+        except TypeError:
+            pass
+
+        if isinstance(self._model, str):
+            return self._model
+        elif isinstance(self._model, dict):
+            if "huggingface" in self._model:
+                return _download_huggingfacehub(self._model["huggingface"])
+            pass
+        raise TypeError(f"Cannot parse model path: {self._model}. It must be a path or dict")
+
     @cached_property
     def _metadata(self):
         try:
             result = Metadata(*load_metadata(self.path, supporting_arrays=True))
         except Exception as e:
             LOG.warning("Version for not support `supporting_arrays` (%s)", e)
-            result= Metadata(load_metadata(self.path))
+            result = Metadata(load_metadata(self.path))
 
         if self.patch_metadata:
             LOG.warning("Patching metadata with %r", self.patch_metadata)
diff --git a/src/anemoi/inference/commands/retrieve.py b/src/anemoi/inference/commands/retrieve.py
index 9537a69..86b8542 100644
--- a/src/anemoi/inference/commands/retrieve.py
+++ b/src/anemoi/inference/commands/retrieve.py
@@ -26,6 +26,7 @@ class RetrieveCmd(Command):
     def add_arguments(self, command_parser):
         command_parser.description = self.__doc__
         command_parser.add_argument("config", type=str, help="Path to checkpoint")
+        command_parser.add_argument("--defaults", action="append", help="Sources of default values.")
         command_parser.add_argument("--date", type=str, help="Date")
         command_parser.add_argument("--output", type=str, help="Output file")
         command_parser.add_argument("--staging-dates", type=str, help="Path to a file with staging dates")
@@ -34,7 +35,7 @@ def add_arguments(self, command_parser):
 
     def run(self, args):
 
-        config = load_config(args.config, args.overrides)
+        config = load_config(args.config, args.overrides, defaults=args.defaults)
 
         runner = DefaultRunner(config)
 
diff --git a/src/anemoi/inference/config.py b/src/anemoi/inference/config.py
index 3b0cfff..738d2f6 100644
--- a/src/anemoi/inference/config.py
+++ b/src/anemoi/inference/config.py
@@ -12,7 +12,9 @@
 import datetime
 import logging
 import os
+from typing import Any
 from typing import Dict
+from typing import Literal
 
 import yaml
 from pydantic import BaseModel
@@ -27,8 +29,8 @@ class Config:
 
     description: str | None = None
 
-    checkpoint: str
-    """A path an Anemoi checkpoint file."""
+    checkpoint: str | Dict[Literal["huggingface"], Dict[str, Any]]
+    """A path to an Anemoi checkpoint file."""
 
     date: str | int | datetime.datetime | None = None
     """The starting date for the forecast. If not provided, the date will depend on the selected Input object. If a string, it is parsed by :func:`anemoi.utils.dates.as_datetime`.
diff --git a/src/anemoi/inference/metadata.py b/src/anemoi/inference/metadata.py
index aef45e3..58d9096 100644
--- a/src/anemoi/inference/metadata.py
+++ b/src/anemoi/inference/metadata.py
@@ -13,6 +13,7 @@
 import warnings
 from collections import defaultdict
 from functools import cached_property
+from types import MappingProxyType as frozendict
 from typing import Literal
 
 import numpy as np
@@ -37,15 +38,6 @@ def _remove_full_paths(x):
     return x
 
 
-class frozendict(dict):
-    def __deepcopy__(self, memo):
-        # As this is a frozendict, we can return the same object
-        return self
-
-    def __setitem__(self, key, value):
-        raise TypeError("frozendict is immutable")
-
-
 class Metadata(PatchMixin, LegacyMixin):
     """An object that holds metadata of a checkpoint."""
 
@@ -835,7 +827,6 @@ def print_variable_categories(self):
         for name, categories in sorted(self.variable_categories().items()):
             LOG.info(f"   {name:{length}} => {', '.join(categories)}")
 
-
     ###########################################################################
 
     def patch(self, patch):
@@ -854,13 +845,6 @@ def merge(main, patch):
         merge(self._metadata, patch)
 
 
-
-
-
-
-
-
-
 class SourceMetadata(Metadata):
     """An object that holds metadata of a source. It is only the `dataset` and `supporting_arrays` parts of the metadata.
     The rest is forwarded to the parent metadata object.
diff --git a/src/anemoi/inference/outputs/gribfile.py b/src/anemoi/inference/outputs/gribfile.py
index 0d12066..ff99421 100644
--- a/src/anemoi/inference/outputs/gribfile.py
+++ b/src/anemoi/inference/outputs/gribfile.py
@@ -117,6 +117,7 @@ def close(self):
         path = self.archive_requests["path"]
         extra = self.archive_requests.get("extra", {})
         patch = self.archive_requests.get("patch", {})
+        indent = self.archive_requests.get("indent", None)
 
         def _patch(r):
             if self.context.config.use_grib_paramid:
@@ -147,4 +148,4 @@ def _patch(r):
                 request.update(extra)
                 requests.append(request)
 
-            json.dump(requests, f, indent=4)
+            json.dump(requests, f, indent=indent)
diff --git a/src/anemoi/inference/runner.py b/src/anemoi/inference/runner.py
index 9ff0d2a..da60915 100644
--- a/src/anemoi/inference/runner.py
+++ b/src/anemoi/inference/runner.py
@@ -297,6 +297,10 @@ def forecast(self, lead_time, input_tensor_numpy, input_state):
 
             yield result
 
+            # No need to prepare next input tensor if we are at the last step
+            if s == steps - 1:
+                continue
+
             # Update  tensor for next iteration
 
             check[:] = reset