diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 4a694e0ad14..a678359210f 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -78787,8 +78787,13 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
-        "supports_max_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "none",
+            "low",
+            "medium",
+            "high",
+            "max"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78807,7 +78812,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78827,7 +78837,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78845,7 +78860,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "source": "https://clfaigateway.dev/models"
@@ -78863,7 +78882,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78882,7 +78906,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78901,7 +78930,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78921,7 +78954,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78941,7 +78978,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 4a694e0ad14..a678359210f 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -78787,8 +78787,13 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
-        "supports_max_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "none",
+            "low",
+            "medium",
+            "high",
+            "max"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78807,7 +78812,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78827,7 +78837,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78845,7 +78860,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "source": "https://clfaigateway.dev/models"
@@ -78863,7 +78882,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78882,7 +78906,12 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78901,7 +78930,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78921,7 +78954,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "high"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
@@ -78941,7 +78978,11 @@
         "supports_parallel_function_calling": true,
         "supports_tool_choice": true,
         "supports_reasoning": true,
-        "supports_low_reasoning_effort": true,
+        "reasoning_effort_levels": [
+            "low",
+            "medium",
+            "xhigh"
+        ],
         "supports_response_schema": true,
         "supports_system_messages": true,
         "supports_prompt_caching": true,
diff --git a/tests/test_litellm/llms/clf_ai_gateway/test_clf_ai_gateway_chat_transformation.py b/tests/test_litellm/llms/clf_ai_gateway/test_clf_ai_gateway_chat_transformation.py
index 587103e1077..7cec1d65f21 100644
--- a/tests/test_litellm/llms/clf_ai_gateway/test_clf_ai_gateway_chat_transformation.py
+++ b/tests/test_litellm/llms/clf_ai_gateway/test_clf_ai_gateway_chat_transformation.py
@@ -2,6 +2,7 @@ import pytest
 
 import litellm
 from litellm.llms.clf_ai_gateway.chat.transformation import ClfAiGatewayConfig
+from litellm.router_utils.reasoning_effort_capability import resolve_supported_reasoning_efforts
 from litellm.types.utils import LlmProviders
 
 MODELS = [
@@ -16,6 +17,18 @@ MODELS = [
     "qwen3.8-27b",
 ]
 
+GATEWAY_REASONING_EFFORTS = {
+    "glm-5.3": ("none", "low", "medium", "high", "max"),
+    "glm-5.3-flash": ("low", "medium", "high", "xhigh"),
+    "glm-5.2": ("low", "medium", "high", "xhigh"),
+    "glm-4.7-flash": ("low", "medium", "high"),
+    "deepseek-v4-pro": ("low", "medium", "high", "xhigh"),
+    "deepseek-v4-flash": ("low", "medium", "high", "xhigh"),
+    "kimi-k2.6": ("low", "medium", "high"),
+    "kimi-k2.7-code": ("low", "medium", "high"),
+    "qwen3.8-27b": ("low", "medium", "xhigh"),
+}
+
 
 @pytest.fixture(autouse=True)
 def _local_cost_map(monkeypatch: pytest.MonkeyPatch) -> None:
@@ -126,3 +139,10 @@ def test_completion_routes_without_network(monkeypatch: pytest.MonkeyPatch) -> N
         mock_response="hello from mock",
     )
     assert response.choices[0].message.content == "hello from mock"
+
+
+@pytest.mark.parametrize("model", MODELS)
+def test_advertised_reasoning_efforts_match_the_gateway(model: str) -> None:
+    key = f"clf_ai_gateway/{model}"
+    entry = {**litellm.model_cost[key], "key": key}
+    assert resolve_supported_reasoning_efforts(entry, deployment_is_mapped=True) == GATEWAY_REASONING_EFFORTS[model]