diff --git a/tools/ci_build/github/azure-pipelines/linux-gpu-tensorrt-ci-pipeline.yml b/tools/ci_build/github/azure-pipelines/linux-gpu-tensorrt-ci-pipeline.yml
index 3f9707ff50519..a4dfceb17e57e 100644
--- a/tools/ci_build/github/azure-pipelines/linux-gpu-tensorrt-ci-pipeline.yml
+++ b/tools/ci_build/github/azure-pipelines/linux-gpu-tensorrt-ci-pipeline.yml
@@ -34,6 +34,10 @@ parameters:
     values:
       - 11.8
       - 12.2
+  - name: UseTensorrtOssParser
+    displayName: Use TensorRT-OSS Parser
+    type: boolean
+    default: false
 
 variables:
   - name: docker_base_image
@@ -46,6 +50,12 @@ variables:
       value: 10.2.0.19-1.cuda11.8
     ${{ if eq(parameters.CudaVersion, '12.2') }}:
       value: 10.2.0.19-1.cuda12.5
+  - name: parser
+    ${{ if eq(parameters.UseTensorrtOssParser, true) }}:
+      value: "--use_tensorrt_oss_parser"
+    ${{ if eq(parameters.UseTensorrtOssParser, false) }}:
+      value: ""
+
 
 jobs:
 - job: Linux_Build
@@ -100,7 +110,7 @@ jobs:
                   -e NIGHTLY_BUILD \
                   -e BUILD_BUILDNUMBER \
                   -e CCACHE_DIR=/cache -w /onnxruntime_src \
-                  onnxruntimetensorrt86gpubuild tools/ci_build/github/linux/build_tensorrt_ci.sh
+                  onnxruntimetensorrt86gpubuild tools/ci_build/github/linux/build_tensorrt_ci.sh ${{ variables.parser }}
             workingDirectory: $(Build.SourcesDirectory)
 
   - template: templates/explicitly-defined-final-tasks.yml
diff --git a/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml b/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml
index 70c0c7d4a04e7..974cbd7025ed8 100644
--- a/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml
+++ b/tools/ci_build/github/azure-pipelines/win-gpu-tensorrt-ci-pipeline.yml
@@ -26,6 +26,18 @@ pr:
     - 'js/web'
     - 'onnxruntime/core/providers/js'
 #### end trigger ####
+parameters:
+  - name: UseTensorrtOssParser
+    displayName: Use TensorRT-OSS Parser
+    type: boolean
+    default: false
+
+variables:
+  - name: parser
+    ${{ if eq(parameters.UseTensorrtOssParser, true) }}:
+      value: "--use_tensorrt_oss_parser"
+    ${{ if eq(parameters.UseTensorrtOssParser, false) }}:
+      value: ""
 
 jobs:
 - job: 'build'
@@ -55,7 +67,7 @@ jobs:
       WithCache: True
       Today: $(TODAY)
       AdditionalKey: "gpu-tensorrt | RelWithDebInfo"
-      BuildPyArguments: '--config RelWithDebInfo --parallel --use_binskim_compliant_compile_flags --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 17 2022" --build_wheel --enable_onnx_tests --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.2.0.19.Windows10.x86_64.cuda-11.8" --cuda_home="$(Agent.TempDirectory)\v11.8" --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86'
+      BuildPyArguments: '--config RelWithDebInfo ${{ variables.parser }} --parallel --use_binskim_compliant_compile_flags --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 17 2022" --build_wheel --enable_onnx_tests --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.2.0.19.Windows10.x86_64.cuda-11.8" --cuda_home="$(Agent.TempDirectory)\v11.8" --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86'
       MsbuildArguments: $(MsbuildArguments)
       BuildArch: 'x64'
       Platform: 'x64'
@@ -75,7 +87,7 @@ jobs:
      del wheel_filename_file
      python.exe -m pip install -q --upgrade %WHEEL_FILENAME%
      set PATH=$(Build.BinariesDirectory)\RelWithDebInfo\RelWithDebInfo;%PATH%
-     python $(Build.SourcesDirectory)\tools\ci_build\build.py --config RelWithDebInfo --use_binskim_compliant_compile_flags --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 17 2022" --build_wheel --enable_onnx_tests --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.2.0.19.Windows10.x86_64.cuda-11.8"  --cuda_home="$(Agent.TempDirectory)\v11.8" --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=75
+     python $(Build.SourcesDirectory)\tools\ci_build\build.py --config RelWithDebInfo ${{ variables.parser }} --use_binskim_compliant_compile_flags --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 17 2022" --build_wheel --enable_onnx_tests --use_tensorrt --tensorrt_home="$(Agent.TempDirectory)\TensorRT-10.2.0.19.Windows10.x86_64.cuda-11.8"  --cuda_home="$(Agent.TempDirectory)\v11.8" --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=86
 
     workingDirectory: '$(Build.BinariesDirectory)\RelWithDebInfo\RelWithDebInfo'
     displayName: 'Run tests'