diff --git a/python/openai/openai_frontend/engine/triton_engine.py b/python/openai/openai_frontend/engine/triton_engine.py
index 179b963b57..9d515079b9 100644
--- a/python/openai/openai_frontend/engine/triton_engine.py
+++ b/python/openai/openai_frontend/engine/triton_engine.py
@@ -824,7 +824,7 @@ def _validate_chat_request(
 
         # Logprobs are only supported for vLLM backend currently
         if metadata.backend != "vllm" and (
-            request.logprobs is not None or request.top_logprobs is not None
+            request.logprobs or request.top_logprobs is not None
         ):
             raise ClientError(
                 "logprobs are currently available only for the vLLM backend"
diff --git a/python/openai/tests/test_chat_completions.py b/python/openai/tests/test_chat_completions.py
index e708689e0e..eee18bf354 100644
--- a/python/openai/tests/test_chat_completions.py
+++ b/python/openai/tests/test_chat_completions.py
@@ -160,6 +160,19 @@ def test_chat_completions_sampling_parameters(
             assert response.json()["detail"] == "logit bias is not currently supported"
             return
 
+        # TRT-LLM backend doesn't support logprobs
+        if (
+            param_key == "logprobs"
+            and param_value is True
+            and model == "tensorrt_llm_bls"
+        ):
+            assert response.status_code == 400
+            assert (
+                "logprobs are currently available only for the vLLM backend"
+                in response.json()["detail"]
+            )
+            return
+
         assert response.status_code == 200
         assert response.json()["choices"][0]["message"]["content"]
         assert response.json()["choices"][0]["message"]["role"] == "assistant"
@@ -620,9 +633,19 @@ def test_chat_completions_logprobs_false(
 
     @pytest.mark.parametrize("top_logprobs_value", [0, 5])
     def test_chat_completions_top_logprobs_without_logprobs(
-        self, client, model: str, messages: List[dict], top_logprobs_value: int
+        self,
+        client,
+        model: str,
+        messages: List[dict],
+        top_logprobs_value: int,
+        backend: str,
     ):
         """Test that top_logprobs without logprobs raises validation error."""
+        if backend != "vllm":
+            pytest.skip(
+                reason="logprobs are currently available only for the vLLM backend"
+            )
+
         response = client.post(
             "/v1/chat/completions",
             json={
diff --git a/python/openai/tests/test_completions.py b/python/openai/tests/test_completions.py
index ea1cf62166..4dcad4c2d2 100644
--- a/python/openai/tests/test_completions.py
+++ b/python/openai/tests/test_completions.py
@@ -87,6 +87,19 @@ def test_completions_sampling_parameters(
             assert response.json()["detail"] == "logit bias is not supported"
             return
 
+        # TRT-LLM backend doesn't support logprobs
+        if (
+            sampling_parameter == "logprobs"
+            and value is not None
+            and model == "tensorrt_llm_bls"
+        ):
+            assert response.status_code == 400
+            assert (
+                "logprobs are currently available only for the vLLM backend"
+                in response.json()["detail"]
+            )
+            return
+
         assert response.status_code == 200
         assert response.json()["choices"][0]["text"].strip()
 
diff --git a/python/openai/tests/test_lora.py b/python/openai/tests/test_lora.py
index 550273cf52..d6322ee4b2 100644
--- a/python/openai/tests/test_lora.py
+++ b/python/openai/tests/test_lora.py
@@ -181,6 +181,12 @@ def _create_model_repository_mock_llm(self):
                         data_type: TYPE_BOOL
                         dims: [1]
                         optional: true
+                    },
+                    {
+                        name: "return_logprobs"
+                        data_type: TYPE_BOOL
+                        dims: [1]
+                        optional: true
                     }
                 ]
                 output [
diff --git a/python/openai/tests/test_openai_client.py b/python/openai/tests/test_openai_client.py
index e5ce4ae55e..62fc6bfa18 100644
--- a/python/openai/tests/test_openai_client.py
+++ b/python/openai/tests/test_openai_client.py
@@ -569,7 +569,7 @@ async def test_chat_completion_logprobs(
 
         assert stream_tokens_list == non_stream_tokens_list, "Tokens should match"
         assert np.allclose(
-            stream_logprobs_values, non_stream_logprobs_values, rtol=0, atol=1e-2
+            stream_logprobs_values, non_stream_logprobs_values, rtol=0, atol=1e-1
         ), "Logprob values should be close"
 
     @pytest.mark.asyncio
@@ -658,7 +658,7 @@ async def test_completion_logprobs(
         assert stream_text_offsets == logprobs.text_offset, "Text offsets should match"
         assert stream_top_logprobs == logprobs.top_logprobs, "Top logprobs should match"
         assert np.allclose(
-            stream_token_logprobs, logprobs.token_logprobs, rtol=0, atol=1e-2
+            stream_token_logprobs, logprobs.token_logprobs, rtol=0, atol=1e-1
         ), "Token logprob values should be close"
 
     @pytest.mark.parametrize("top_logprobs_value", [0, 5])
@@ -669,10 +669,16 @@ async def test_top_logprobs_requires_logprobs(
         model: str,
         messages: List[dict],
         top_logprobs_value: int,
+        backend: str,
     ):
         """
         Test that top_logprobs without logprobs raises an error
         """
+        if backend != "vllm":
+            pytest.skip(
+                reason="logprobs are currently available only for the vLLM backend"
+            )
+
         with pytest.raises(openai.BadRequestError) as exc_info:
             await client.chat.completions.create(
                 model=model,