diff --git a/extra/benchmark/completion/completion.factor b/extra/benchmark/completion/completion.factor
new file mode 100644
index 0000000000..1c7d921f8b
--- /dev/null
+++ b/extra/benchmark/completion/completion.factor
@@ -0,0 +1,15 @@
+
+USING: kernel sequences tools.completion ;
+
+IN: benchmark.completion
+
+: completion-benchmark ( -- )
+    "nth" 25,000 [
+        {
+            nth ?nth nths set-nth insert-nth
+            remove-nth remove-nth! change-nth
+        }
+    ] replicate concat [ name-completions ] keep
+    [ length ] bi@ assert= ;
+
+MAIN: completion-benchmark