Change OpenAI default to GPT-5.6 Luna

README.md

@@ -124,7 +124,7 @@ timeout = 20.0
 
 [openai]
 api_key = your_api_key_here
-model = gpt-5.4-mini
+model = gpt-5.6-luna
 temperature = 0.0
 timeout = 20.0
 ```
@@ -134,7 +134,7 @@ timeout = 20.0
 | Provider | Default Model | Config Section |
 |----------|--------------|----------------|
 | Anthropic | `claude-haiku-4-5-latest` | `[anthropic]` |
-| OpenAI | `gpt-5.4-mini` | `[openai]` |
+| OpenAI | `gpt-5.6-luna` | `[openai]` |
 
 Set `provider` in `[settings]` to switch between them. Only the selected provider's API key is required.
 

config.ini.default

@@ -20,7 +20,7 @@ timeout = 20.0
 
 [openai]
 api_key = your_api_key_here
-model = gpt-5.4-mini
+model = gpt-5.6-luna
 # Temperature for AI responses (0.0 = deterministic). Remove to use model default.
 temperature = 0.0
 timeout = 20.0

email_utils/openai_spam_check.py

@@ -21,7 +21,7 @@ def check_spam_with_openai(email_content: str) -> dict[str, Any]:
         config = load_config()
 
         api_key = config.get("openai", "api_key")
-        model = config.get("openai", "model", fallback="gpt-5.4-mini")
+        model = config.get("openai", "model", fallback="gpt-5.6-luna")
         timeout = config.getfloat("openai", "timeout", fallback=20.0)
 
         client = OpenAI(api_key=api_key, timeout=timeout)

tests/test_openai_spam_check.py

@@ -5,9 +5,12 @@
 from email_utils.openai_spam_check import check_spam_with_openai
 
 
-def _mock_config(tmp_path, monkeypatch, temperature=None):
+def _mock_config(tmp_path, monkeypatch, temperature=None, model="gpt-5.6-luna"):
     """Helper to set up a mock config file."""
-    lines = "[openai]\napi_key = test-key\nmodel = gpt-5.4-mini\ntimeout = 10.0\n"
+    lines = "[openai]\napi_key = test-key\n"
+    if model is not None:
+        lines += f"model = {model}\n"
+    lines += "timeout = 10.0\n"
     if temperature is not None:
         lines += f"temperature = {temperature}\n"
     config_file = tmp_path / "config.ini"
@@ -28,6 +31,21 @@ def _make_mock_response(response_json):
 
 
 class TestCheckSpamWithOpenai:
+    @patch("email_utils.openai_spam_check.OpenAI")
+    def test_uses_luna_by_default(self, mock_openai_cls, tmp_path, monkeypatch):
+        _mock_config(tmp_path, monkeypatch, model=None)
+
+        mock_client = MagicMock()
+        mock_client.chat.completions.create.return_value = _make_mock_response(
+            {"is_spam": "no", "confidence": 0, "reason": "test"}
+        )
+        mock_openai_cls.return_value = mock_client
+
+        check_spam_with_openai("test")
+
+        call_kwargs = mock_client.chat.completions.create.call_args[1]
+        assert call_kwargs["model"] == "gpt-5.6-luna"
+
     @patch("email_utils.openai_spam_check.OpenAI")
     def test_spam_detected(self, mock_openai_cls, tmp_path, monkeypatch):
         _mock_config(tmp_path, monkeypatch, temperature=0.0)