diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index ae256ed0784..85fa5211971 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -21119,7 +21119,7 @@
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
-        "mode": "chat",
+        "mode": "responses",
         "output_cost_per_token": 0.00018,
         "output_cost_per_token_above_272k_tokens": 0.00027,
         "output_cost_per_token_flex": 9e-05,
@@ -21127,9 +21127,8 @@
         "output_cost_per_token_priority": 0.00027,
         "output_cost_per_token_above_272k_tokens_priority": 0.000405,
         "supported_endpoints": [
-            "/v1/chat/completions",
-            "/v1/batch",
-            "/v1/responses"
+            "/v1/responses",
+            "/v1/batch"
         ],
         "supported_modalities": [
             "text",
@@ -21168,7 +21167,7 @@
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
-        "mode": "chat",
+        "mode": "responses",
         "output_cost_per_token": 0.00018,
         "output_cost_per_token_above_272k_tokens": 0.00027,
         "output_cost_per_token_flex": 9e-05,
@@ -21176,9 +21175,8 @@
         "output_cost_per_token_priority": 0.00027,
         "output_cost_per_token_above_272k_tokens_priority": 0.000405,
         "supported_endpoints": [
-            "/v1/chat/completions",
-            "/v1/batch",
-            "/v1/responses"
+            "/v1/responses",
+            "/v1/batch"
         ],
         "supported_modalities": [
             "text",
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index ae256ed0784..85fa5211971 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -21119,7 +21119,7 @@
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
-        "mode": "chat",
+        "mode": "responses",
         "output_cost_per_token": 0.00018,
         "output_cost_per_token_above_272k_tokens": 0.00027,
         "output_cost_per_token_flex": 9e-05,
@@ -21127,9 +21127,8 @@
         "output_cost_per_token_priority": 0.00027,
         "output_cost_per_token_above_272k_tokens_priority": 0.000405,
         "supported_endpoints": [
-            "/v1/chat/completions",
-            "/v1/batch",
-            "/v1/responses"
+            "/v1/responses",
+            "/v1/batch"
         ],
         "supported_modalities": [
             "text",
@@ -21168,7 +21167,7 @@
         "max_input_tokens": 1050000,
         "max_output_tokens": 128000,
         "max_tokens": 128000,
-        "mode": "chat",
+        "mode": "responses",
         "output_cost_per_token": 0.00018,
         "output_cost_per_token_above_272k_tokens": 0.00027,
         "output_cost_per_token_flex": 9e-05,
@@ -21176,9 +21175,8 @@
         "output_cost_per_token_priority": 0.00027,
         "output_cost_per_token_above_272k_tokens_priority": 0.000405,
         "supported_endpoints": [
-            "/v1/chat/completions",
-            "/v1/batch",
-            "/v1/responses"
+            "/v1/responses",
+            "/v1/batch"
         ],
         "supported_modalities": [
             "text",
diff --git a/tests/test_litellm/test_main.py b/tests/test_litellm/test_main.py
index 39f7ca33fb3..3a43b1229de 100644
--- a/tests/test_litellm/test_main.py
+++ b/tests/test_litellm/test_main.py
@@ -609,6 +609,24 @@ def test_responses_api_bridge_check_strips_responses_prefix():
         assert model_info["mode"] == "responses"
 
 
+def test_responses_api_bridge_check_gpt_5_4_pro():
+    """Test that gpt-5.4-pro routes through responses API bridge, not chat completions.
+
+    Regression test for https://github.com/BerriAI/litellm/issues/23014
+    gpt-5.4-pro is a responses-only model and must not be sent to /v1/chat/completions.
+    """
+    from litellm.main import responses_api_bridge_check
+
+    for model_name in ["gpt-5.4-pro", "gpt-5.4-pro-2026-03-05"]:
+        model_info, model = responses_api_bridge_check(
+            model=model_name,
+            custom_llm_provider="openai",
+        )
+        assert model_info.get("mode") == "responses", (
+            f"{model_name} should have mode='responses', got '{model_info.get('mode')}'"
+        )
+
+
 def test_responses_api_bridge_check_handles_exception():
     """Test that responses_api_bridge_check handles exceptions and still processes responses/ models."""
     from litellm.main import responses_api_bridge_check