feat: add gpt-audio-mini to ChatModel list

Fixes #2761

Added gpt-audio-mini and gpt-audio-mini-2025-04-01 to the ChatModel
type definition as they are available models according to the
OpenAI documentation.

Changes:
- src/openai/types/shared/chat_model.py
- src/openai/types/shared_params/chat_model.py
- src/openai/resources/responses/responses.py
- src/openai/types/responses/response_compact_params.py
- Added test to verify the model is present

Author: majiayu000

src/openai/resources/responses/responses.py

@@ -1573,6 +1573,8 @@ def compact(
                 "gpt-4o-audio-preview-2025-06-03",
                 "gpt-4o-mini-audio-preview",
                 "gpt-4o-mini-audio-preview-2024-12-17",
+                "gpt-audio-mini",
+                "gpt-audio-mini-2025-04-01",
                 "gpt-4o-search-preview",
                 "gpt-4o-mini-search-preview",
                 "gpt-4o-search-preview-2025-03-11",
@@ -3191,6 +3193,8 @@ async def compact(
                 "gpt-4o-audio-preview-2025-06-03",
                 "gpt-4o-mini-audio-preview",
                 "gpt-4o-mini-audio-preview-2024-12-17",
+                "gpt-audio-mini",
+                "gpt-audio-mini-2025-04-01",
                 "gpt-4o-search-preview",
                 "gpt-4o-mini-search-preview",
                 "gpt-4o-search-preview-2025-03-11",

src/openai/types/responses/response_compact_params.py

@@ -59,6 +59,8 @@ class ResponseCompactParams(TypedDict, total=False):
                 "gpt-4o-audio-preview-2025-06-03",
                 "gpt-4o-mini-audio-preview",
                 "gpt-4o-mini-audio-preview-2024-12-17",
+                "gpt-audio-mini",
+                "gpt-audio-mini-2025-04-01",
                 "gpt-4o-search-preview",
                 "gpt-4o-mini-search-preview",
                 "gpt-4o-search-preview-2025-03-11",

src/openai/types/shared/chat_model.py

@@ -50,6 +50,8 @@
     "gpt-4o-audio-preview-2025-06-03",
     "gpt-4o-mini-audio-preview",
     "gpt-4o-mini-audio-preview-2024-12-17",
+    "gpt-audio-mini",
+    "gpt-audio-mini-2025-04-01",
     "gpt-4o-search-preview",
     "gpt-4o-mini-search-preview",
     "gpt-4o-search-preview-2025-03-11",

src/openai/types/shared_params/chat_model.py

@@ -52,6 +52,8 @@
     "gpt-4o-audio-preview-2025-06-03",
     "gpt-4o-mini-audio-preview",
     "gpt-4o-mini-audio-preview-2024-12-17",
+    "gpt-audio-mini",
+    "gpt-audio-mini-2025-04-01",
     "gpt-4o-search-preview",
     "gpt-4o-mini-search-preview",
     "gpt-4o-search-preview-2025-03-11",

tests/test_chat_model_types.py

@@ -0,0 +1,38 @@
+"""Tests for ChatModel type definitions.
+
+Verifies that the ChatModel type includes correct model names.
+Relates to issue #2761: gpt-audio-mini is missing from the ChatModel list
+"""
+
+import pytest
+from typing import get_args
+
+from openai.types.shared import ChatModel
+
+
+class TestChatModelTypes:
+    """Test ChatModel type definitions."""
+
+    def test_gpt_audio_mini_exists(self) -> None:
+        """Verify gpt-audio-mini is in ChatModel (fixes #2761)."""
+        valid_models = get_args(ChatModel)
+
+        assert "gpt-audio-mini" in valid_models, (
+            "gpt-audio-mini should be in ChatModel"
+        )
+        assert "gpt-audio-mini-2025-04-01" in valid_models, (
+            "gpt-audio-mini-2025-04-01 should be in ChatModel"
+        )
+
+    def test_audio_models_exist(self) -> None:
+        """Verify audio-related models are present."""
+        valid_models = get_args(ChatModel)
+
+        expected_audio_models = [
+            "gpt-4o-audio-preview",
+            "gpt-4o-mini-audio-preview",
+            "gpt-audio-mini",
+        ]
+
+        for model in expected_audio_models:
+            assert model in valid_models, f"{model} should be in ChatModel"