diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2fcec38e..a6772b1c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         python: ['3.10', '3.11', '3.12', '3.13']
-        transformers: ['4.48.3', '4.51.3', '4.52.4', 'main']
+        transformers: ['4.48.3', '4.51.3', '4.52.4', '4.53.0', 'main']
         torch: ['2.7', 'main']
         exclude:
           - python: '3.10'
@@ -28,7 +28,7 @@ jobs:
           - python: '3.10'
             transformers: 'main'
           - python: '3.11'
-            transformers: '4.52.4'
+            transformers: '4.53.0'
           - python: '3.11'
             transformers: 'main'
           - python: '3.13'
diff --git a/CHANGELOGS.rst b/CHANGELOGS.rst
index 74be09f0..12192a1b 100644
--- a/CHANGELOGS.rst
+++ b/CHANGELOGS.rst
@@ -4,6 +4,7 @@ Change Logs
 0.7.2
 +++++
 
+* :pr:`168`, :pr:`169`: introduces patch_diffusers
 * :pr:`166`: improves handling of StaticCache
 * :pr:`165`: support for task text-to-image
 * :pr:`162`: improves graphs rendering for historical data
diff --git a/_unittests/ut_torch_models/test_llm_phi2.py b/_unittests/ut_torch_models/test_llm_phi2.py
index 090c9b6e..c05007a6 100644
--- a/_unittests/ut_torch_models/test_llm_phi2.py
+++ b/_unittests/ut_torch_models/test_llm_phi2.py
@@ -1,6 +1,11 @@
 import unittest
 import torch
-from onnx_diagnostic.ext_test_case import ExtTestCase, ignore_warnings, requires_transformers
+from onnx_diagnostic.ext_test_case import (
+    ExtTestCase,
+    ignore_warnings,
+    requires_transformers,
+    requires_torch,
+)
 from onnx_diagnostic.torch_models.llms import get_phi2
 from onnx_diagnostic.helpers import string_type
 
@@ -13,8 +18,10 @@ def test_get_phi2(self):
         model(**inputs)
 
     @ignore_warnings(UserWarning)
-    @requires_transformers("4.53")
+    @requires_transformers("4.54")
+    @requires_torch("2.9.99")
     def test_export_phi2_1(self):
+        # exporting vmap does not work
         data = get_phi2(num_hidden_layers=2)
         model, inputs, ds = data["model"], data["inputs"], data["dynamic_shapes"]
         self.assertEqual(
diff --git a/onnx_diagnostic/torch_export_patches/onnx_export_errors.py b/onnx_diagnostic/torch_export_patches/onnx_export_errors.py
index 07617be2..058041e5 100644
--- a/onnx_diagnostic/torch_export_patches/onnx_export_errors.py
+++ b/onnx_diagnostic/torch_export_patches/onnx_export_errors.py
@@ -182,8 +182,8 @@ def torch_export_patches(
         and show a stack trace indicating the exact location of the issue,
         ``if stop_if_static > 1``, more methods are replace to catch more
         issues
-    :param patch: if False, disable all patches except the registration of
-        serialization function
+    :param patch: if False, disable all patches but keeps the registration of
+        serialization functions if other patch functions are enabled
     :param custom_patches: to apply custom patches,
         every patched class must define static attributes
         ``_PATCHES_``, ``_PATCHED_CLASS_``
@@ -270,7 +270,11 @@ def torch_export_patches(
                 pass
     elif not patch:
         fct_callable = lambda x: x  # noqa: E731
-        done = register_cache_serialization(verbose=verbose)
+        done = register_cache_serialization(
+            patch_transformers=patch_transformers,
+            patch_diffusers=patch_diffusers,
+            verbose=verbose,
+        )
         try:
             yield fct_callable
         finally:
diff --git a/onnx_diagnostic/torch_models/hghub/hub_api.py b/onnx_diagnostic/torch_models/hghub/hub_api.py
index cb450cb7..da05f7c0 100644
--- a/onnx_diagnostic/torch_models/hghub/hub_api.py
+++ b/onnx_diagnostic/torch_models/hghub/hub_api.py
@@ -140,7 +140,10 @@ def _guess_task_from_config(config: Any) -> Optional[str]:
 
 @functools.cache
 def task_from_arch(
-    arch: str, default_value: Optional[str] = None, model_id: Optional[str] = None
+    arch: str,
+    default_value: Optional[str] = None,
+    model_id: Optional[str] = None,
+    subfolder: Optional[str] = None,
 ) -> str:
     """
     This function relies on stored information. That information needs to be refresh.
@@ -148,6 +151,7 @@ def task_from_arch(
     :param arch: architecture name
     :param default_value: default value in case the task cannot be determined
     :param model_id: unused unless the architecture does not help.
+    :param subfolder: subfolder
     :return: task
 
     .. runpython::
@@ -162,7 +166,7 @@ def task_from_arch(
     data = load_architecture_task()
     if arch not in data and model_id:
         # Let's try with the model id.
-        return task_from_id(model_id)
+        return task_from_id(model_id, subfolder=subfolder)
     if default_value is not None:
         return data.get(arch, default_value)
     assert arch in data, (
@@ -178,6 +182,7 @@ def task_from_id(
     default_value: Optional[str] = None,
     pretrained: bool = False,
     fall_back_to_pretrained: bool = True,
+    subfolder: Optional[str] = None,
 ) -> str:
     """
     Returns the task attached to a model id.
@@ -187,7 +192,7 @@ def task_from_id(
         if the task cannot be determined
     :param pretrained: uses the config
     :param fall_back_to_pretrained: falls back to pretrained config
-    :param exc: raises an exception if True
+    :param subfolder: subfolder
     :return: task
     """
     if not pretrained:
@@ -196,7 +201,7 @@ def task_from_id(
         except RuntimeError:
             if not fall_back_to_pretrained:
                 raise
-    config = get_pretrained_config(model_id)
+    config = get_pretrained_config(model_id, subfolder=subfolder)
     try:
         return config.pipeline_tag
     except AttributeError:
@@ -206,6 +211,8 @@ def task_from_id(
         data = load_architecture_task()
         if model_id in data:
             return data[model_id]
+        if type(config) is dict and "_class_name" in config:
+            return task_from_arch(config["_class_name"], default_value=default_value)
         if not config.architectures or not config.architectures:
             # Some hardcoded values until a better solution is found.
             if model_id.startswith("google/bert_"):
diff --git a/onnx_diagnostic/torch_models/hghub/hub_data.py b/onnx_diagnostic/torch_models/hghub/hub_data.py
index bdf79693..908cb22f 100644
--- a/onnx_diagnostic/torch_models/hghub/hub_data.py
+++ b/onnx_diagnostic/torch_models/hghub/hub_data.py
@@ -22,6 +22,7 @@
     BlenderbotModel,feature-extraction
     BloomModel,feature-extraction
     CLIPModel,zero-shot-image-classification
+    CLIPTextModel,feature-extraction
     CLIPVisionModel,feature-extraction
     CamembertModel,feature-extraction
     CodeGenModel,feature-extraction
diff --git a/onnx_diagnostic/torch_models/hghub/model_inputs.py b/onnx_diagnostic/torch_models/hghub/model_inputs.py
index 6db64040..1961e049 100644
--- a/onnx_diagnostic/torch_models/hghub/model_inputs.py
+++ b/onnx_diagnostic/torch_models/hghub/model_inputs.py
@@ -106,7 +106,7 @@ def get_untrained_model_with_inputs(
         print(f"[get_untrained_model_with_inputs] architectures={archs!r}")
         print(f"[get_untrained_model_with_inputs] cls={config.__class__.__name__!r}")
     if task is None:
-        task = task_from_arch(archs[0], model_id=model_id)
+        task = task_from_arch(archs[0], model_id=model_id, subfolder=subfolder)
     if verbose:
         print(f"[get_untrained_model_with_inputs] task={task!r}")
 
diff --git a/onnx_diagnostic/torch_models/validate.py b/onnx_diagnostic/torch_models/validate.py
index 6736359f..693de5c7 100644
--- a/onnx_diagnostic/torch_models/validate.py
+++ b/onnx_diagnostic/torch_models/validate.py
@@ -263,7 +263,7 @@ def validate_model(
     use_pretrained: bool = False,
     optimization: Optional[str] = None,
     quiet: bool = False,
-    patch: bool = False,
+    patch: Union[bool, str, Dict[str, bool]] = False,
     rewrite: bool = False,
     stop_if_static: int = 1,
     dump_folder: Optional[str] = None,
@@ -301,8 +301,10 @@ def validate_model(
     :param optimization: optimization to apply to the exported model,
         depend on the the exporter
     :param quiet: if quiet, catches exception if any issue
-    :param patch: applies patches (``patch_transformers=True``) before exporting,
-        see :func:`onnx_diagnostic.torch_export_patches.torch_export_patches`
+    :param patch: applies patches (``patch_transformers=True, path_diffusers=True``)
+        if True before exporting
+        see :func:`onnx_diagnostic.torch_export_patches.torch_export_patches`,
+        a string can be used to specify only one of them
     :param rewrite: applies known rewriting (``patch_transformers=True``) before exporting,
         see :func:`onnx_diagnostic.torch_export_patches.torch_export_patches`
     :param stop_if_static: stops if a dynamic dimension becomes static,
@@ -346,8 +348,24 @@ def validate_model(
     exported model returns the same outputs as the original one, otherwise,
     :class:`onnx_diagnostic.reference.TorchOnnxEvaluator` is used.
     """
-    assert not rewrite or patch, (
-        f"rewrite={rewrite}, patch={patch}, patch must be True to enable rewriting, "
+    if isinstance(patch, bool):
+        patch_kwargs = (
+            dict(patch_transformers=True, patch_diffusers=True, patch=True)
+            if patch
+            else dict(patch=False)
+        )
+    elif isinstance(patch, str):
+        patch_kwargs = {"patch": True, **{p: True for p in patch.split(",")}}  # noqa: C420
+    else:
+        assert isinstance(patch, dict), f"Unable to interpret patch={patch!r}"
+        patch_kwargs = patch.copy()
+        if "patch" not in patch_kwargs:
+            if any(patch_kwargs.values()):
+                patch_kwargs["patch"] = True
+
+    assert not rewrite or patch_kwargs.get("patch", False), (
+        f"rewrite={rewrite}, patch={patch}, patch_kwargs={patch_kwargs} "
+        f"patch must be True to enable rewriting, "
         f"if --no-patch was specified on the command line, --no-rewrite must be added."
     )
     summary = version_summary()
@@ -362,6 +380,7 @@ def validate_model(
             version_optimization=optimization or "",
             version_quiet=str(quiet),
             version_patch=str(patch),
+            version_patch_kwargs=str(patch_kwargs).replace(" ", ""),
             version_rewrite=str(rewrite),
             version_dump_folder=dump_folder or "",
             version_drop_inputs=str(list(drop_inputs or "")),
@@ -397,7 +416,7 @@ def validate_model(
             print(f"[validate_model] model_options={model_options!r}")
         print(f"[validate_model] get dummy inputs with input_options={input_options}...")
         print(
-            f"[validate_model] rewrite={rewrite}, patch={patch}, "
+            f"[validate_model] rewrite={rewrite}, patch_kwargs={patch_kwargs}, "
             f"stop_if_static={stop_if_static}"
         )
         print(f"[validate_model] exporter={exporter!r}, optimization={optimization!r}")
@@ -573,18 +592,18 @@ def validate_model(
             f"[validate_model] -- export the model with {exporter!r}, "
             f"optimization={optimization!r}"
         )
-        if patch:
+        if patch_kwargs:
             if verbose:
                 print(
                     f"[validate_model] applies patches before exporting "
                     f"stop_if_static={stop_if_static}"
                 )
             with torch_export_patches(  # type: ignore
-                patch_transformers=True,
                 stop_if_static=stop_if_static,
                 verbose=max(0, verbose - 1),
                 rewrite=data.get("rewrite", None),
                 dump_rewriting=(os.path.join(dump_folder, "rewrite") if dump_folder else None),
+                **patch_kwargs,  # type: ignore[arg-type]
             ) as modificator:
                 data["inputs_export"] = modificator(data["inputs"])  # type: ignore