diff --git a/litellm/llms/edenai/chat/transformation.py b/litellm/llms/edenai/chat/transformation.py
index 65c7e21f39b..4fd5a9d550b 100644
--- a/litellm/llms/edenai/chat/transformation.py
+++ b/litellm/llms/edenai/chat/transformation.py
@@ -57,7 +57,12 @@ class EdenAIChatCompletionStreamingHandler(OpenAIChatCompletionStreamingHandler)
 
 class EdenAIChatConfig(OpenAIGPTConfig):
     def get_supported_openai_params(self, model: str) -> list[str]:  # mutable-ok: inherited contract
-        return [*super().get_supported_openai_params(model), "reasoning_effort"]  # mutable-ok: inherited contract
+        reasoning: Final[tuple[str, ...]] = (
+            ("reasoning_effort",)
+            if litellm.supports_reasoning(model=model, custom_llm_provider=litellm.LlmProviders.EDENAI.value)
+            else ()
+        )
+        return [*super().get_supported_openai_params(model), *reasoning]  # mutable-ok: inherited contract
 
     @staticmethod
     def get_api_key(api_key: str | None = None) -> str | None:
diff --git a/tests/test_litellm/llms/edenai/chat/test_edenai_chat_transformation.py b/tests/test_litellm/llms/edenai/chat/test_edenai_chat_transformation.py
index 945b2713d46..4f1e2c11a51 100644
--- a/tests/test_litellm/llms/edenai/chat/test_edenai_chat_transformation.py
+++ b/tests/test_litellm/llms/edenai/chat/test_edenai_chat_transformation.py
@@ -133,11 +133,13 @@ class TestRegistration:
         assert supported is not None
         assert {"tools", "tool_choice", "response_format", "stream_options", "max_completion_tokens"} <= set(supported)
 
-    def test_reasoning_effort_is_supported_because_eden_forwards_it_to_reasoning_models(self):
-        supported = litellm.get_supported_openai_params(model="openai/gpt-5-mini", custom_llm_provider="edenai")
+    def test_reasoning_effort_is_supported_only_for_models_the_price_map_flags_as_reasoning(self):
+        reasoning = litellm.get_supported_openai_params(model="openai/gpt-5-mini", custom_llm_provider="edenai")
+        plain = litellm.get_supported_openai_params(model="openai/gpt-4.1-nano", custom_llm_provider="edenai")
 
-        assert supported is not None
-        assert "reasoning_effort" in supported
+        assert reasoning is not None and plain is not None
+        assert "reasoning_effort" in reasoning
+        assert "reasoning_effort" not in plain
 
     def test_validate_environment_names_the_eden_key(self, monkeypatch):
         monkeypatch.delenv("EDENAI_API_KEY", raising=False)