diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index 250f50e57..ae1424774 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -38,6 +38,7 @@ class Coder:
     last_asked_for_commit_time = 0
     repo_map = None
     functions = None
+    total_cost = 0.0
 
     @classmethod
     def create(
@@ -526,12 +527,22 @@ class Coder:
         except AttributeError:
             pass
 
+        prompt_tokens = completion.usage.prompt_tokens
+        completion_tokens = completion.usage.completion_tokens
+
+        tokens = f"{prompt_tokens} prompt tokens, {completion_tokens} completion tokens"
+        if self.main_model.prompt_price:
+            cost = prompt_tokens * self.main_model.prompt_price / 1000
+            cost += completion_tokens * self.main_model.completion_price / 1000
+            tokens += f", ${cost:.6f} cost"
+            self.total_cost += cost
+
         show_resp = self.render_incremental_response(True)
         if self.pretty:
-            md = Markdown(show_resp, style=self.assistant_output_color, code_theme="default")
-            self.io.console.print(md)
-        else:
-            print(show_resp)
+            show_resp = Markdown(show_resp, style=self.assistant_output_color, code_theme="default")
+
+        self.io.console.print(show_resp)
+        self.io.console.print(tokens)
 
     def show_send_output_stream(self, completion, silent):
         live = None
diff --git a/aider/models.py b/aider/models.py
index 4871ad884..cf20dee36 100644
--- a/aider/models.py
+++ b/aider/models.py
@@ -11,6 +11,9 @@ class Model:
     use_repo_map = False
     send_undo_reply = False
 
+    prompt_price = None
+    completion_price = None
+
     def __init__(self, name):
         self.name = name
 
@@ -33,11 +36,27 @@ class Model:
             self.edit_format = "diff"
             self.use_repo_map = True
             self.send_undo_reply = True
+
+            if tokens == 8:
+                self.prompt_price = 0.03
+                self.completion_price = 0.06
+            elif tokens == 32:
+                self.prompt_price = 0.06
+                self.completion_price = 0.12
+
             return
 
         if self.is_gpt35():
             self.edit_format = "whole-func"
             self.always_available = True
+
+            if tokens == 4:
+                self.prompt_price = 0.0015
+                self.completion_price = 0.002
+            elif tokens == 16:
+                self.prompt_price = 0.003
+                self.completion_price = 0.004
+
             return
 
         raise ValueError(f"Unsupported model: {name}")