diff --git a/src/openai/resources/responses/responses.py b/src/openai/resources/responses/responses.py
index 8e80f6793b..78423ff0a8 100644
--- a/src/openai/resources/responses/responses.py
+++ b/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",
diff --git a/src/openai/types/responses/response_compact_params.py b/src/openai/types/responses/response_compact_params.py
index 657c6a0764..8753b4c5c9 100644
--- a/src/openai/types/responses/response_compact_params.py
+++ b/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",
diff --git a/src/openai/types/shared/chat_model.py b/src/openai/types/shared/chat_model.py
index 8223b81bef..b2aa4db1cf 100644
--- a/src/openai/types/shared/chat_model.py
+++ b/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",
diff --git a/src/openai/types/shared_params/chat_model.py b/src/openai/types/shared_params/chat_model.py
index c1937a8312..25b5e912a1 100644
--- a/src/openai/types/shared_params/chat_model.py
+++ b/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",
diff --git a/tests/test_chat_model_types.py b/tests/test_chat_model_types.py
new file mode 100644
index 0000000000..4c4a968bfe
--- /dev/null
+++ b/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"