diff --git a/synthetic_data_kit/core/curate.py b/synthetic_data_kit/core/curate.py
index ec83ee7a..1cadce81 100644
--- a/synthetic_data_kit/core/curate.py
+++ b/synthetic_data_kit/core/curate.py
@@ -49,13 +49,28 @@ def curate_qa_pairs(
     with open(input_path, 'r', encoding='utf-8') as f:
         data = json.load(f)
     
-    # Extract QA pairs
+    # Extract QA pairs or CoT examples
     qa_pairs = data.get("qa_pairs", [])
+    cot_examples = data.get("cot_examples", [])
     summary = data.get("summary", "")
     
-    # If there are no QA pairs or they're already filtered
+    # Determine which format we're working with
+    is_cot_format = False
+    if cot_examples and not qa_pairs:
+        # Convert CoT examples to QA format for curation
+        qa_pairs = []
+        for example in cot_examples:
+            qa_pair = {
+                "question": example.get("question", ""),
+                "answer": example.get("answer", ""),
+                "reasoning": example.get("reasoning", "")  # Keep reasoning for reference
+            }
+            qa_pairs.append(qa_pair)
+        is_cot_format = True
+    
+    # If there are no QA pairs or CoT examples
     if not qa_pairs:
-        raise ValueError("No QA pairs found in the input file")
+        raise ValueError("No QA pairs or CoT examples found in the input file")
     
     # Initialize LLM client
     client = LLMClient(
@@ -269,13 +284,34 @@ def curate_qa_pairs(
     # Convert to conversation format
     conversations = convert_to_conversation_format(filtered_pairs)
     
-    # Create result with filtered pairs
-    result = {
-        "summary": summary,
-        "qa_pairs": filtered_pairs,
-        "conversations": conversations,
-        "metrics": metrics
-    }
+    # Create result with filtered pairs in the appropriate format
+    if is_cot_format:
+        # Convert back to CoT format
+        filtered_cot_examples = []
+        for pair in filtered_pairs:
+            cot_example = {
+                "question": pair.get("question", ""),
+                "reasoning": pair.get("reasoning", ""),
+                "answer": pair.get("answer", "")
+            }
+            # Keep rating if it exists
+            if "rating" in pair:
+                cot_example["rating"] = pair["rating"]
+            filtered_cot_examples.append(cot_example)
+        
+        result = {
+            "summary": summary,
+            "cot_examples": filtered_cot_examples,
+            "conversations": conversations,
+            "metrics": metrics
+        }
+    else:
+        result = {
+            "summary": summary,
+            "qa_pairs": filtered_pairs,
+            "conversations": conversations,
+            "metrics": metrics
+        }
     
     # Ensure output directory exists
     os.makedirs(os.path.dirname(output_path), exist_ok=True)
diff --git a/tests/unit/test_error_handling.py b/tests/unit/test_error_handling.py
index 21289a82..66a4ac24 100644
--- a/tests/unit/test_error_handling.py
+++ b/tests/unit/test_error_handling.py
@@ -158,11 +158,19 @@ def test_curate_input_validation(patch_config, test_env):
         {
             "question": "What is synthetic data?",
             "answer": "Synthetic data is artificially generated data.",
-        },
+        }
+    ]
+
+    cot_examples = [
+        {
+            "question": "What is synthetic data?",
+            "reasoning": "Synthetic data is artificially generated data.",
+            "answer": "Synthetic data is artificially generated data.",
+        }
     ]
 
     with tempfile.NamedTemporaryFile(mode="w+", suffix=".json", delete=False) as f:
-        json.dump({"qa_pairs": qa_pairs}, f)
+        json.dump({"qa_pairs": qa_pairs, "cot_examples": cot_examples}, f)
         file_path = f.name
 
     # Create temporary output directory
@@ -182,7 +190,7 @@ def test_curate_input_validation(patch_config, test_env):
                 curate.curate_qa_pairs(input_path=empty_file_path, output_path=output_path)
 
             # Check that the error message is helpful
-            assert "No QA pairs found" in str(excinfo.value)
+            assert "No QA pairs or CoT examples found" in str(excinfo.value)
     finally:
         # Clean up
         if os.path.exists(file_path):