diff --git a/_doc/examples/plot_export_tiny_llm_dim01.py b/_doc/examples/plot_export_tiny_llm_dim01.py
index fb2e477b..872eb5b7 100644
--- a/_doc/examples/plot_export_tiny_llm_dim01.py
+++ b/_doc/examples/plot_export_tiny_llm_dim01.py
@@ -83,31 +83,50 @@
 
 
 def export_model(
-    model, dynamic_shapes, inputs, cache=False, oblivious=False, rt=False, cache_patch=False
+    model,
+    dynamic_shapes,
+    inputs,
+    cache=False,
+    oblivious=False,
+    rt=False,
+    cache_patch=False,
+    strict=False,
 ):
     if cache and not cache_patch:
         with register_additional_serialization_functions(patch_transformers=True):
-            return export_model(model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt)
+            return export_model(
+                model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt, strict=strict
+            )
     if cache_patch:
         with torch_export_patches(
             patch_torch=cache_patch in ("all", "torch", True, 1),
             patch_transformers=cache_patch in ("all", "transformers", True, 1),
         ):
-            return export_model(model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt)
+            return export_model(
+                model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt, strict=strict
+            )
     if oblivious:
         with torch.fx.experimental._config.patch(backed_size_oblivious=True):
-            return export_model(model, dynamic_shapes, inputs, rt=rt)
+            return export_model(model, dynamic_shapes, inputs, rt=rt, strict=strict)
     return torch.export.export(
         model,
         (),
         inputs,
         dynamic_shapes=dynamic_shapes,
+        strict=strict,
         prefer_deferred_runtime_asserts_over_guards=rt,
     )
 
 
 def try_export_model(
-    model, dynamic_shapes, inputs, cache=False, oblivious=False, rt=False, cache_patch=False
+    model,
+    dynamic_shapes,
+    inputs,
+    cache=False,
+    oblivious=False,
+    rt=False,
+    cache_patch=False,
+    strict=False,
 ):
     try:
         return export_model(
@@ -118,6 +137,7 @@ def try_export_model(
             oblivious=oblivious,
             rt=rt,
             cache_patch=cache_patch,
+            strict=strict,
         )
     except Exception as e:
         return e
@@ -140,14 +160,16 @@ def validation(ep, input_sets, expected):
 
 results = []
 
-possibilities = [*[[0, 1] for _ in range(4)], list(input_sets)]
+possibilities = [*[[0, 1] for _ in range(5)], list(input_sets)]
 possibilities[1] = [0, "all", "torch", "transformers"]
 with tqdm(list(itertools.product(*possibilities))) as pbar:
-    for cache, cache_patch, oblivious, rt, inputs in pbar:
+    for cache, cache_patch, strict, oblivious, rt, inputs in pbar:
         if cache_patch and not cache:
             # patches include caches.
             continue
-        kwargs = dict(cache=cache, cache_patch=cache_patch, oblivious=oblivious, rt=rt)
+        kwargs = dict(
+            cache=cache, cache_patch=cache_patch, strict=strict, oblivious=oblivious, rt=rt
+        )
         legend = "-".join(
             (k if isinstance(v, int) else f"{k}:{v}") for k, v in kwargs.items() if v
         )
@@ -203,7 +225,7 @@ def validation(ep, input_sets, expected):
 # The validation failures.
 
 invalid = df[(df.EXPORT == 1) & (df.WORKS == 0)].pivot(
-    index=["cache", "cache_patch", "oblivious", "rt", "export_with"],
+    index=["cache", "cache_patch", "strict", "oblivious", "rt", "export_with"],
     columns=["run_with"],
     values=["WORKS", "ERR-RUN"],
 )
@@ -213,7 +235,7 @@ def validation(ep, input_sets, expected):
 # %% Successes.
 
 success = df[(df.EXPORT == 1) & (df.WORKS == 1)].pivot(
-    index=["cache", "cache_patch", "oblivious", "rt", "export_with"],
+    index=["cache", "cache_patch", "strict", "oblivious", "rt", "export_with"],
     columns=["run_with"],
     values=["WORKS"],
 )
diff --git a/_doc/examples/plot_export_tiny_llm_dim01_onnx_custom.py b/_doc/examples/plot_export_tiny_llm_dim01_onnx_custom.py
index 34d10a75..02d79dfa 100644
--- a/_doc/examples/plot_export_tiny_llm_dim01_onnx_custom.py
+++ b/_doc/examples/plot_export_tiny_llm_dim01_onnx_custom.py
@@ -77,17 +77,28 @@
 
 
 def export_model(
-    model, dynamic_shapes, inputs, cache=False, oblivious=False, rt=False, cache_patch=False
+    model,
+    dynamic_shapes,
+    inputs,
+    cache=False,
+    oblivious=False,
+    rt=False,
+    cache_patch=False,
+    strict=False,
 ):
     if cache and not cache_patch:
         with register_additional_serialization_functions(patch_transformers=True):
-            return export_model(model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt)
+            return export_model(
+                model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt, strict=strict
+            )
     if cache_patch:
         with torch_export_patches(
             patch_torch=cache_patch in ("all", "torch", True, 1),
             patch_transformers=cache_patch in ("all", "transformers", True, 1),
         ):
-            return export_model(model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt)
+            return export_model(
+                model, dynamic_shapes, inputs, oblivious=oblivious, rt=rt, strict=strict
+            )
     return to_onnx(
         model,
         (),
@@ -96,12 +107,20 @@ def export_model(
         export_options=ExportOptions(
             prefer_deferred_runtime_asserts_over_guards=rt,
             backed_size_oblivious=oblivious,
+            strict=strict,
         ),
     )
 
 
 def try_export_model(
-    model, dynamic_shapes, inputs, cache=False, oblivious=False, rt=False, cache_patch=False
+    model,
+    dynamic_shapes,
+    inputs,
+    cache=False,
+    oblivious=False,
+    rt=False,
+    cache_patch=False,
+    strict=False,
 ):
     try:
         return export_model(
@@ -112,6 +131,7 @@ def try_export_model(
             oblivious=oblivious,
             rt=rt,
             cache_patch=cache_patch,
+            strict=strict,
         )
     except Exception as e:
         return e
@@ -155,16 +175,19 @@ def validation(onx, input_sets, expected, catch_exception=True):
 possibilities = [
     [0, 1],
     [0, "all", "torch", "transformers"],
+    [0, 1],
     [0, 1, "auto", "half"],
     [0, 1],
     list(input_sets),
 ]
 with tqdm(list(itertools.product(*possibilities))) as pbar:
-    for cache, cache_patch, oblivious, rt, inputs in pbar:
+    for cache, cache_patch, strict, oblivious, rt, inputs in pbar:
         if cache_patch and not cache:
             # patches include caches.
             continue
-        kwargs = dict(cache=cache, cache_patch=cache_patch, oblivious=oblivious, rt=rt)
+        kwargs = dict(
+            cache=cache, cache_patch=cache_patch, oblivious=oblivious, rt=rt, strict=strict
+        )
         legend = "-".join(
             (k if isinstance(v, int) else f"{k}:{v}") for k, v in kwargs.items() if v
         )
@@ -220,7 +243,7 @@ def validation(onx, input_sets, expected, catch_exception=True):
 # The validation failures.
 
 invalid = df[(df.EXPORT == 1) & (df.WORKS == 0)].pivot(
-    index=["cache", "cache_patch", "oblivious", "rt", "export_with"],
+    index=["cache", "cache_patch", "strict", "oblivious", "rt", "export_with"],
     columns=["run_with"],
     values=["WORKS", "ERR-RUN"],
 )
@@ -230,7 +253,7 @@ def validation(onx, input_sets, expected, catch_exception=True):
 # %% Successes.
 
 success = df[(df.EXPORT == 1) & (df.WORKS == 1)].pivot(
-    index=["cache", "cache_patch", "oblivious", "rt", "export_with"],
+    index=["cache", "cache_patch", "strict", "oblivious", "rt", "export_with"],
     columns=["run_with"],
     values=["WORKS"],
 )
diff --git a/_unittests/ut_xrun_doc/test_documentation_examples.py b/_unittests/ut_xrun_doc/test_documentation_examples.py
index 4d79512f..0dc45f6f 100644
--- a/_unittests/ut_xrun_doc/test_documentation_examples.py
+++ b/_unittests/ut_xrun_doc/test_documentation_examples.py
@@ -109,13 +109,6 @@ def add_test_methods(cls):
             ):
                 reason = "torch<2.8"
 
-            if (
-                not reason
-                and name in {"plot_export_tiny_llm_dim01.py"}
-                and not has_torch("2.9")
-            ):
-                reason = "torch<2.9"
-
             if (
                 not reason
                 and name in {"plot_dump_intermediate_results.py"}
@@ -131,6 +124,7 @@ def add_test_methods(cls):
                 reason = "unstable, let's wait for the next version"
 
             if not reason and name in {
+                "plot_export_tiny_llm_dim01.py",
                 "plot_export_tiny_llm_dim01_onnx.py",
                 "plot_export_tiny_llm_dim01_onnx_custom.py",
             }: