diff --git a/include/xten/Dialect/XTenNN/IR/XTenNNOps.td b/include/xten/Dialect/XTenNN/IR/XTenNNOps.td
index b15519d5..3a43d375 100644
--- a/include/xten/Dialect/XTenNN/IR/XTenNNOps.td
+++ b/include/xten/Dialect/XTenNN/IR/XTenNNOps.td
@@ -562,4 +562,21 @@ def XtenNN_ConvTransposeOp: XTenNN_Op<"ConvTranspose",[Pure, TosaExtension]> {
   let assemblyFormat = [{ operands attr-dict `:` functional-type(operands, results) }];
 }
 
+def XtenNN_ReduceMeanOp: XTenNN_Op<"reduce_mean", [Pure, TosaExtension]> {
+  let summary = "Reduce Mean operation";
+  let description = [{
+    This operation is equivalent to `onnx.ReduceMean` and computes the mean of
+    the input tensor's elements along the provided axes.
+  }];
+  let arguments = (ins
+    AnyRankedTensor:$input,
+    DenseI64ArrayAttr:$axes,
+    I64Attr:$keepdims
+  );
+  let results = (outs
+    AnyRankedTensor:$output
+  );
+  let assemblyFormat = [{ operands attr-dict `:` functional-type(operands, results) }];
+}
+
 #endif // XTENNN_OPS