diff --git a/tests/basic/test_main.py b/tests/basic/test_main.py
index 47e8f256f..92fa97aeb 100644
--- a/tests/basic/test_main.py
+++ b/tests/basic/test_main.py
@@ -684,6 +684,59 @@ class TestMain(TestCase):
             )
             self.assertTrue(coder.detect_urls)
 
+    def test_accepts_settings_warnings(self):
+        # Test that appropriate warnings are shown based on accepts_settings configuration
+        with GitTemporaryDirectory():
+            # Test model that accepts the thinking_tokens setting
+            with patch("aider.io.InputOutput.tool_warning") as mock_warning:
+                main(
+                    ["--model", "anthropic/claude-3-7-sonnet-20250219", "--thinking-tokens", "1000", "--yes", "--exit"],
+                    input=DummyInput(),
+                    output=DummyOutput(),
+                )
+                # No warning should be shown as this model accepts thinking_tokens
+                for call in mock_warning.call_args_list:
+                    self.assertNotIn("thinking_tokens", call[0][0])
+                
+            # Test model that doesn't have accepts_settings for thinking_tokens
+            with patch("aider.io.InputOutput.tool_warning") as mock_warning:
+                main(
+                    ["--model", "gpt-4o", "--thinking-tokens", "1000", "--yes", "--exit"],
+                    input=DummyInput(),
+                    output=DummyOutput(),
+                )
+                # Warning should be shown
+                warning_shown = False
+                for call in mock_warning.call_args_list:
+                    if "thinking_tokens" in call[0][0]:
+                        warning_shown = True
+                self.assertTrue(warning_shown)
+                
+            # Test model that accepts the reasoning_effort setting
+            with patch("aider.io.InputOutput.tool_warning") as mock_warning:
+                main(
+                    ["--model", "o1", "--reasoning-effort", "3", "--yes", "--exit"],
+                    input=DummyInput(),
+                    output=DummyOutput(),
+                )
+                # No warning should be shown as this model accepts reasoning_effort
+                for call in mock_warning.call_args_list:
+                    self.assertNotIn("reasoning_effort", call[0][0])
+                
+            # Test model that doesn't have accepts_settings for reasoning_effort
+            with patch("aider.io.InputOutput.tool_warning") as mock_warning:
+                main(
+                    ["--model", "gpt-3.5-turbo", "--reasoning-effort", "3", "--yes", "--exit"],
+                    input=DummyInput(),
+                    output=DummyOutput(),
+                )
+                # Warning should be shown
+                warning_shown = False
+                for call in mock_warning.call_args_list:
+                    if "reasoning_effort" in call[0][0]:
+                        warning_shown = True
+                self.assertTrue(warning_shown)
+    
     @patch("aider.models.ModelInfoManager.set_verify_ssl")
     def test_no_verify_ssl_sets_model_info_manager(self, mock_set_verify_ssl):
         with GitTemporaryDirectory():
@@ -943,3 +996,14 @@ class TestMain(TestCase):
         self.assertEqual(
             coder.main_model.extra_params.get("extra_body", {}).get("reasoning_effort"), "3"
         )
+        
+    def test_thinking_tokens_option(self):
+        coder = main(
+            ["--thinking-tokens", "1000", "--yes", "--exit"],
+            input=DummyInput(),
+            output=DummyOutput(),
+            return_coder=True,
+        )
+        self.assertEqual(
+            coder.main_model.extra_params.get("extra_body", {}).get("thinking_tokens"), "1000"
+        )