diff --git a/NAMESPACE b/NAMESPACE
index 6731899..cc8834a 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -6,5 +6,6 @@
 export(gpt3_single_completion)
 export(gpt3_single_embedding)
 export(gpt3_test_completion)
+export(price_base_davinci)
 export(to_numeric)
 export(url.completions)