diff --git a/docs/source/exporters/onnx/overview.mdx b/docs/source/exporters/onnx/overview.mdx
index 38919cd1da7..204d9c51129 100644
--- a/docs/source/exporters/onnx/overview.mdx
+++ b/docs/source/exporters/onnx/overview.mdx
@@ -75,6 +75,7 @@ Supported architectures from [🤗 Transformers](https://huggingface.co/docs/tra
 - Nystromformer
 - OWL-ViT
 - PatchTST
+- PatchTSMixer
 - Pegasus
 - Perceiver
 - Phi
diff --git a/optimum/exporters/onnx/model_configs.py b/optimum/exporters/onnx/model_configs.py
index 45bbfca2315..61ab251d3b9 100644
--- a/optimum/exporters/onnx/model_configs.py
+++ b/optimum/exporters/onnx/model_configs.py
@@ -2483,3 +2483,7 @@ class PatchTSTOnnxConfig(OnnxConfig):
     @property
     def inputs(self) -> Dict[str, Dict[int, str]]:
         return {"past_values": {0: "batch_size", 1: "sequence_length"}}
+
+
+class PatchTSMixerOnnxConfig(PatchTSTOnnxConfig):
+    pass
diff --git a/optimum/exporters/tasks.py b/optimum/exporters/tasks.py
index 8e94c668c82..54164a6491e 100644
--- a/optimum/exporters/tasks.py
+++ b/optimum/exporters/tasks.py
@@ -222,7 +222,6 @@ class TasksManager:
             "text-generation": "AutoModelForCausalLM",
             "text2text-generation": "AutoModelForSeq2SeqLM",
             "text-classification": "AutoModelForSequenceClassification",
-            "time-series-forecasting": "PatchTSTForPrediction",  # TODO: AutoModelForPrediction is not yet supported
             "token-classification": "AutoModelForTokenClassification",
             "zero-shot-image-classification": "AutoModelForZeroShotImageClassification",
             "zero-shot-object-detection": "AutoModelForZeroShotObjectDetection",
@@ -315,6 +314,10 @@ class TasksManager:
     }
 
     _CUSTOM_CLASSES = {
+        ("pt", "patchtsmixer", "feature-extraction"): ("transformers", "PatchTSMixerModel"),
+        ("pt", "patchtsmixer", "time-series-forecasting"): ("transformers", "PatchTSMixerForPrediction"),
+        ("pt", "patchtst", "feature-extraction"): ("transformers", "PatchTSTModel"),
+        ("pt", "patchtst", "time-series-forecasting"): ("transformers", "PatchTSTForPrediction"),
         ("pt", "pix2struct", "image-to-text"): ("transformers", "Pix2StructForConditionalGeneration"),
         ("pt", "pix2struct", "visual-question-answering"): ("transformers", "Pix2StructForConditionalGeneration"),
         ("pt", "visual-bert", "question-answering"): ("transformers", "VisualBertForQuestionAnswering"),
@@ -913,9 +916,15 @@ class TasksManager:
             onnx="OPTOnnxConfig",
         ),
         "patchtst": supported_tasks_mapping(
+            "feature-extraction",
             "time-series-forecasting",
             onnx="PatchTSTOnnxConfig",
         ),
+        "patchtsmixer": supported_tasks_mapping(
+            "feature-extraction",
+            "time-series-forecasting",
+            onnx="PatchTSMixerOnnxConfig",
+        ),
         "qwen2": supported_tasks_mapping(
             "feature-extraction",
             "feature-extraction-with-past",
diff --git a/tests/exporters/exporters_utils.py b/tests/exporters/exporters_utils.py
index 9803c5c8d37..a58ee505316 100644
--- a/tests/exporters/exporters_utils.py
+++ b/tests/exporters/exporters_utils.py
@@ -129,6 +129,7 @@
     "owlv2": "hf-internal-testing/tiny-random-Owlv2Model",
     "owlvit": "hf-tiny-model-private/tiny-random-OwlViTModel",
     "patchtst": "ibm/test-patchtst",
+    "patchtsmixer": "ibm/test-patchtsmixer",
     "pegasus": "hf-internal-testing/tiny-random-PegasusModel",
     "perceiver": {
         "hf-internal-testing/tiny-random-language_perceiver": ["fill-mask", "text-classification"],
@@ -257,6 +258,7 @@
     "owlv2": "google/owlv2-base-patch16",
     "owlvit": "google/owlvit-base-patch32",
     "patchtst": "ibm/test-patchtst",
+    "patchtsmixer": "ibm/test-patchtsmixer",
     "perceiver": "hf-internal-testing/tiny-random-PerceiverModel",  # Not using deepmind/language-perceiver because it takes too much time for testing.
     # "rembert": "google/rembert",
     "poolformer": "hf-internal-testing/tiny-random-PoolFormerModel",