diff --git a/src/instructlab/eval/evaluator.py b/src/instructlab/eval/evaluator.py
index 086732c..9d64914 100644
--- a/src/instructlab/eval/evaluator.py
+++ b/src/instructlab/eval/evaluator.py
@@ -11,6 +11,3 @@ class Evaluator:
 
     def __init__(self, model: str) -> None:
         self.model = model
-
-    def run(self) -> dict:
-        return {}
diff --git a/src/instructlab/eval/mmlu.py b/src/instructlab/eval/mmlu.py
index 1938d92..6d877f6 100644
--- a/src/instructlab/eval/mmlu.py
+++ b/src/instructlab/eval/mmlu.py
@@ -22,6 +22,15 @@ def __init__(
         self.fewshots = fewshots
         self.batchsize = batchsize
 
+    def run(self) -> dict:
+        individual_scores: dict[str, float] = {}
+        overall_score: float = 0.0
+        payload = {
+            "individual_scores": individual_scores,
+            "overall_score": overall_score,
+        }
+        return payload
+
 
 class PR_MMLU_Evaluator(Evaluator):
     """
@@ -47,3 +56,14 @@ def __init__(
         self.task = task
         self.fewshots = fewshots
         self.batchsize = batchsize
+
+    def run(self) -> dict:
+        individual_scores: dict[str, float] = {}
+        overall_score: float = 0.0
+        qa_pairs: list[tuple] = []
+        payload = {
+            "individual_scores": individual_scores,
+            "overall_score": overall_score,
+            "qa_pairs": qa_pairs,
+        }
+        return payload
diff --git a/src/instructlab/eval/mtbench.py b/src/instructlab/eval/mtbench.py
index 70f3761..df22832 100644
--- a/src/instructlab/eval/mtbench.py
+++ b/src/instructlab/eval/mtbench.py
@@ -16,6 +16,12 @@ def __init__(self, model, server_url: str) -> None:
         super().__init__(model)
         self.server_url = server_url
 
+    def run(self) -> dict:
+        overall_score = 0.0
+        qa_pairs: list[tuple] = []
+        payload = {"overall_score": overall_score, "qa_pairs": qa_pairs}
+        return payload
+
 
 class PR_Bench_Evaluator(Evaluator):
     """
@@ -30,3 +36,9 @@ def __init__(self, model, server_url: str, questions: str) -> None:
         super().__init__(model)
         self.server_url = server_url
         self.questions = questions
+
+    def run(self) -> dict:
+        overall_score = 0.0
+        qa_pairs: list[tuple] = []
+        payload = {"overall_score": overall_score, "qa_pairs": qa_pairs}
+        return payload