diff --git a/messages.go b/messages.go
index 90236393..57dd8fd8 100644
--- a/messages.go
+++ b/messages.go
@@ -11,6 +11,11 @@ const (
 	messagesSuffix = "messages"
 )
 
+const (
+	MessageToolCodeInterpreter = "code_interpreter"
+	MessageToolFileSearch      = "file_search"
+)
+
 type Message struct {
 	ID          string           `json:"id"`
 	Object      string           `json:"object"`
diff --git a/thread.go b/thread.go
index 0a53e31e..bc08e2bc 100644
--- a/thread.go
+++ b/thread.go
@@ -9,12 +9,6 @@ const (
 	threadsSuffix = "/threads"
 )
 
-const (
-	ThreadAttachmentToolCodeInterpreter = "code_interpreter"
-	ThreadAttachmentToolFunction        = "function"
-	ThreadAttachmentToolFileSearch      = "file_search"
-)
-
 type Thread struct {
 	ID            string         `json:"id"`
 	Object        string         `json:"object"`