diff --git a/benchmarks/serialization_libraries/compare.sh b/benchmarks/serialization_libraries/compare.sh
new file mode 100644
index 00000000..9e057355
--- /dev/null
+++ b/benchmarks/serialization_libraries/compare.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+
+set -o pipefail
+
+DEBUG="${DEBUG:-false}"
+
+if ! command -v jq &>/dev/null; then
+  npm install -g jq
+fi
+
+get_for_file() {
+  local path
+  path="$1"
+  result="$(cat ${path})"
+  echo "$result"
+}
+
+compare_files() {
+  local actual
+  local expected
+  actual="$1"
+  expected="$2"
+  if [ "$DEBUG" = "true" ]; then get_for_file "${expected}" >&2; fi
+  diff --side-by-side \
+    <(jq '.' -S <(get_for_file "${expected}")) \
+    <(jq '.' -S <(get_for_file "${actual}"))
+}
+echo
+
+compare_files support/json_document-ams.json support/json_document-jsonapi_rb.json