diff --git a/aider/commands.py b/aider/commands.py
index f48873049..b6ece0373 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -404,6 +404,7 @@ class Commands:
 
         fence = "`" * 3
 
+        file_res = []
         # files
         for fname in self.coder.abs_fnames:
             relative_fname = self.coder.get_rel_fname(fname)
@@ -414,7 +415,7 @@ class Commands:
                 # approximate
                 content = f"{relative_fname}\n{fence}\n" + content + "{fence}\n"
                 tokens = self.coder.main_model.token_count(content)
-            res.append((tokens, f"{relative_fname}", "/drop to remove"))
+            file_res.append((tokens, f"{relative_fname}", "/drop to remove"))
 
         # read-only files
         for fname in self.coder.abs_read_only_fnames:
@@ -424,7 +425,10 @@ class Commands:
                 # approximate
                 content = f"{relative_fname}\n{fence}\n" + content + "{fence}\n"
                 tokens = self.coder.main_model.token_count(content)
-                res.append((tokens, f"{relative_fname} (read-only)", "/drop to remove"))
+                file_res.append((tokens, f"{relative_fname} (read-only)", "/drop to remove"))
+
+        file_res.sort()
+        res.extend(file_res)
 
         self.io.tool_output(
             f"Approximate context window usage for {self.coder.main_model.name}, in tokens:"