diff --git a/include/onnxruntime/core/providers/coreml/coreml_provider_factory.h b/include/onnxruntime/core/providers/coreml/coreml_provider_factory.h
index bf190f96fe7b2..9846da8f7fa7d 100644
--- a/include/onnxruntime/core/providers/coreml/coreml_provider_factory.h
+++ b/include/onnxruntime/core/providers/coreml/coreml_provider_factory.h
@@ -43,11 +43,13 @@ enum COREMLFlags {
 
 // MLComputeUnits can be one of the following values:
 // 'MLComputeUnitsCPUAndNeuralEngine|MLComputeUnitsCPUAndGPU|MLComputeUnitsCPUOnly|MLComputeUnitsAll'
+// these values are intended to be used with Ort.::SessionOptions::AppendExecutionProvider(C++ API)
+// /SessionOptionsAppendExecutionProvider (C API). For the old API, use COREMLFlags instead.
 static const char* const kCoremlProviderOption_MLComputeUnits = "MLComputeUnits";
-static const char* const kCoremlProviderOption_MLModelFormat = "MLModelFormat";
-static const char* const kCoremlProviderOption_MLAllowStaticInputShapes = "MLAllowStaticInputShapes";
-static const char* const kCoremlProviderOption_MLEnableOnSubgraphs = "MLEnableOnSubgraphs";
-static const char* const kCoremlProviderOption_MLModelCacheDir = "MLModelCacheDir";
+static const char* const kCoremlProviderOption_ModelFormat = "ModelFormat";
+static const char* const kCoremlProviderOption_RequireStaticInputShapes = "RequireStaticInputShapes";
+static const char* const kCoremlProviderOption_EnableOnSubgraphs = "EnableOnSubgraphs";
+static const char* const kCoremlProviderOption_ModelCacheDir = "ModelCacheDir";
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/objectivec/include/ort_coreml_execution_provider.h b/objectivec/include/ort_coreml_execution_provider.h
index 427e78cd539c8..417868a08972c 100644
--- a/objectivec/include/ort_coreml_execution_provider.h
+++ b/objectivec/include/ort_coreml_execution_provider.h
@@ -76,11 +76,18 @@ NS_ASSUME_NONNULL_BEGIN
  * decreasing priority.
  *
  * @param provider_options The CoreML execution provider options in dict.
+ *  available keys-values: more detail in onnxruntime/core/providers/coreml/coreml_provider_factory.cc
+ *      kCoremlProviderOption_MLComputeUnits: one of "MLComputeUnitsCPUAndNeuralEngine",
+ *         "MLComputeUnitsCPUAndGPU", "MLComputeUnitsCPUOnly", "MLComputeUnitsAll"
+ *      kCoremlProviderOption_ModelFormat: one of "MLProgram", "NeuralNetwork"
+ *      kCoremlProviderOption_RequireStaticInputShapes: "1" or "0"
+ *      kCoremlProviderOption_EnableOnSubgraphs: "1" or "0"
+ *      kCoremlProviderOption_ModelCacheDir: path to the model cache directory
  * @param error Optional error information set if an error occurs.
  * @return Whether the provider was enabled successfully.
  */
-- (BOOL)appendCoreMLExecutionProviderWithOptions_v2:(NSDictionary*)provider_options
-                                              error:(NSError**)error;
+- (BOOL)appendCoreMLExecutionProviderWithOptionsV2:(NSDictionary*)provider_options
+                                             error:(NSError**)error;
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/objectivec/test/ort_session_test.mm b/objectivec/test/ort_session_test.mm
index 8690aa5ee8183..409ee7e1584e2 100644
--- a/objectivec/test/ort_session_test.mm
+++ b/objectivec/test/ort_session_test.mm
@@ -226,10 +226,10 @@ - (void)testAppendCoreMLEP {
 - (void)testAppendCoreMLEP_v2 {
   NSError* err = nil;
   ORTSessionOptions* sessionOptions = [ORTSessionTest makeSessionOptions];
-  NSDictionary* provider_options = @{@"MLEnableOnSubgraphs" : @"1"};  // set an arbitrary option
+  NSDictionary* provider_options = @{@"EnableOnSubgraphs" : @"1"};  // set an arbitrary option
 
-  BOOL appendResult = [sessionOptions appendCoreMLExecutionProviderWithOptions_v2:provider_options
-                                                                            error:&err];
+  BOOL appendResult = [sessionOptions appendCoreMLExecutionProviderWithOptionsV2:provider_options
+                                                                           error:&err];
 
   if (!ORTIsCoreMLExecutionProviderAvailable()) {
     ORTAssertBoolResultUnsuccessful(appendResult, err);
diff --git a/onnxruntime/core/providers/coreml/coreml_execution_provider.cc b/onnxruntime/core/providers/coreml/coreml_execution_provider.cc
index f3e8bd9b0e2af..7044150334a7b 100644
--- a/onnxruntime/core/providers/coreml/coreml_execution_provider.cc
+++ b/onnxruntime/core/providers/coreml/coreml_execution_provider.cc
@@ -23,9 +23,52 @@ namespace onnxruntime {
 
 constexpr const char* COREML = "CoreML";
 
+void CoreMLOptions::ValidateAndParseProviderOption(const ProviderOptions& options) {
+  const std::unordered_map<std::string, COREMLFlags> available_computeunits_options = {
+      {"CPUAndNeuralEngine", COREML_FLAG_ONLY_ENABLE_DEVICE_WITH_ANE},
+      {"CPUAndGPU", COREML_FLAG_USE_CPU_AND_GPU},
+      {"CPUOnly", COREML_FLAG_USE_CPU_ONLY},
+      {"ALL", COREML_FLAG_USE_NONE},
+  };
+  const std::unordered_map<std::string, COREMLFlags> available_modelformat_options = {
+      {"MLProgram", COREML_FLAG_CREATE_MLPROGRAM},
+      {"NeuralNetwork", COREML_FLAG_USE_NONE},
+  };
+  std::unordered_set<std::string> valid_options = {
+      kCoremlProviderOption_MLComputeUnits,
+      kCoremlProviderOption_ModelFormat,
+      kCoremlProviderOption_RequireStaticInputShapes,
+      kCoremlProviderOption_EnableOnSubgraphs,
+      kCoremlProviderOption_ModelCacheDir,
+  };
+  // Validate the options
+  for (const auto& option : options) {
+    if (valid_options.find(option.first) == valid_options.end()) {
+      ORT_THROW("Unknown option: ", option.first);
+    }
+    if (kCoremlProviderOption_MLComputeUnits == option.first) {
+      if (available_computeunits_options.find(option.second) == available_computeunits_options.end()) {
+        ORT_THROW("Invalid value for option ", option.first, ": ", option.second);
+      } else {
+        coreml_flags_ |= available_computeunits_options.at(option.second);
+      }
+    } else if (kCoremlProviderOption_ModelFormat == option.first) {
+      if (available_modelformat_options.find(option.second) == available_modelformat_options.end()) {
+        ORT_THROW("Invalid value for option ", option.first, ": ", option.second);
+      } else {
+        coreml_flags_ |= available_modelformat_options.at(option.second);
+      }
+    } else if (kCoremlProviderOption_RequireStaticInputShapes == option.first) {
+      coreml_flags_ |= COREML_FLAG_ONLY_ALLOW_STATIC_INPUT_SHAPES;
+    } else if (kCoremlProviderOption_EnableOnSubgraphs == option.first) {
+      coreml_flags_ |= COREML_FLAG_ENABLE_ON_SUBGRAPH;
+    }
+  }
+}
+
 CoreMLExecutionProvider::CoreMLExecutionProvider(const CoreMLOptions& options)
     : IExecutionProvider{onnxruntime::kCoreMLExecutionProvider},
-      coreml_flags_(options.coreml_flags),
+      coreml_flags_(options.CoreMLFlags()),
       coreml_version_(coreml::util::CoreMLVersion()) {
   LOGS_DEFAULT(VERBOSE) << "CoreML version: " << coreml_version_;
   if (coreml_version_ < MINIMUM_COREML_VERSION) {
diff --git a/onnxruntime/core/providers/coreml/coreml_execution_provider.h b/onnxruntime/core/providers/coreml/coreml_execution_provider.h
index d37f6bdc2732d..45679655ba429 100644
--- a/onnxruntime/core/providers/coreml/coreml_execution_provider.h
+++ b/onnxruntime/core/providers/coreml/coreml_execution_provider.h
@@ -12,9 +12,18 @@ namespace coreml {
 class Model;
 }
 
-struct CoreMLOptions {
-  uint32_t coreml_flags = 0;
-  std::string cache_path;
+class CoreMLOptions {
+  uint32_t coreml_flags_ = 0;
+
+ public:
+  CoreMLOptions(uint32_t coreml_flags) : coreml_flags_(coreml_flags) {}
+  CoreMLOptions(const ProviderOptions& options) {
+    ValidateAndParseProviderOption(options);
+  }
+  uint32_t CoreMLFlags() const { return coreml_flags_; }
+
+ private:
+  void ValidateAndParseProviderOption(const ProviderOptions& options);
 };
 
 class CoreMLExecutionProvider : public IExecutionProvider {
diff --git a/onnxruntime/core/providers/coreml/coreml_provider_factory.cc b/onnxruntime/core/providers/coreml/coreml_provider_factory.cc
index 58c84f37930ef..bc8702d3290f6 100644
--- a/onnxruntime/core/providers/coreml/coreml_provider_factory.cc
+++ b/onnxruntime/core/providers/coreml/coreml_provider_factory.cc
@@ -10,55 +10,6 @@ using namespace onnxruntime;
 
 namespace onnxruntime {
 
-namespace {
-CoreMLOptions ParseProviderOption(const ProviderOptions& options) {
-  CoreMLOptions coreml_options;
-  const std::unordered_map<std::string, COREMLFlags> available_computeunits_options = {
-      {"MLComputeUnitsCPUAndNeuralEngine", COREML_FLAG_ONLY_ENABLE_DEVICE_WITH_ANE},
-      {"MLComputeUnitsCPUAndGPU", COREML_FLAG_USE_CPU_AND_GPU},
-      {"MLComputeUnitsCPUOnly", COREML_FLAG_USE_CPU_ONLY},
-      {"MLComputeUnitsAll", COREML_FLAG_USE_NONE},
-  };
-  const std::unordered_map<std::string, COREMLFlags> available_modelformat_options = {
-      {"MLProgram", COREML_FLAG_CREATE_MLPROGRAM},
-      {"NeuralNetwork", COREML_FLAG_USE_NONE},
-  };
-  std::unordered_set<std::string> valid_options = {
-      kCoremlProviderOption_MLComputeUnits,
-      kCoremlProviderOption_MLModelFormat,
-      kCoremlProviderOption_MLAllowStaticInputShapes,
-      kCoremlProviderOption_MLEnableOnSubgraphs,
-      kCoremlProviderOption_MLModelCacheDir,
-  };
-  // Validate the options
-  for (const auto& option : options) {
-    if (valid_options.find(option.first) == valid_options.end()) {
-      ORT_THROW("Unknown option: ", option.first);
-    }
-    if (kCoremlProviderOption_MLComputeUnits == option.first) {
-      if (available_computeunits_options.find(option.second) == available_computeunits_options.end()) {
-        ORT_THROW("Invalid value for option ", option.first, ": ", option.second);
-      } else {
-        coreml_options.coreml_flags |= available_computeunits_options.at(option.second);
-      }
-    } else if (kCoremlProviderOption_MLModelFormat == option.first) {
-      if (available_modelformat_options.find(option.second) == available_modelformat_options.end()) {
-        ORT_THROW("Invalid value for option ", option.first, ": ", option.second);
-      } else {
-        coreml_options.coreml_flags |= available_modelformat_options.at(option.second);
-      }
-    } else if (kCoremlProviderOption_MLAllowStaticInputShapes == option.first) {
-      coreml_options.coreml_flags |= COREML_FLAG_ONLY_ALLOW_STATIC_INPUT_SHAPES;
-    } else if (kCoremlProviderOption_MLEnableOnSubgraphs == option.first) {
-      coreml_options.coreml_flags |= COREML_FLAG_ENABLE_ON_SUBGRAPH;
-    } else if (kCoremlProviderOption_MLModelCacheDir == option.first) {
-      coreml_options.cache_path = option.second;
-    }
-  }
-
-  return coreml_options;
-}
-}  // namespace
 struct CoreMLProviderFactory : IExecutionProviderFactory {
   CoreMLProviderFactory(const CoreMLOptions& options)
       : options_(options) {}
@@ -73,13 +24,13 @@ std::unique_ptr<IExecutionProvider> CoreMLProviderFactory::CreateProvider() {
 }
 
 std::shared_ptr<IExecutionProviderFactory> CoreMLProviderFactoryCreator::Create(uint32_t coreml_flags) {
-  CoreMLOptions coreml_options;
-  coreml_options.coreml_flags = coreml_flags;
+  CoreMLOptions coreml_options(coreml_flags);
   return std::make_shared<onnxruntime::CoreMLProviderFactory>(coreml_options);
 }
 
 std::shared_ptr<IExecutionProviderFactory> CoreMLProviderFactoryCreator::Create(const ProviderOptions& options) {
-  return std::make_shared<onnxruntime::CoreMLProviderFactory>(ParseProviderOption(options));
+  CoreMLOptions coreml_options(options);
+  return std::make_shared<onnxruntime::CoreMLProviderFactory>(coreml_options);
 }
 }  // namespace onnxruntime
 
diff --git a/onnxruntime/test/perftest/command_args_parser.cc b/onnxruntime/test/perftest/command_args_parser.cc
index 23a1ad97e6df4..8f840cede63a0 100644
--- a/onnxruntime/test/perftest/command_args_parser.cc
+++ b/onnxruntime/test/perftest/command_args_parser.cc
@@ -131,7 +131,7 @@ namespace perftest {
       "\t    [Example] [For NNAPI EP] -e nnapi -i \"NNAPI_FLAG_USE_FP16 NNAPI_FLAG_USE_NCHW NNAPI_FLAG_CPU_DISABLED\"\n"
       "\n"
       "\t    [CoreML only] [ModelFormat]:[MLProgram, NeuralNetwork] Create an ML Program model or Neural Network. Default is NeuralNetwork.\n"
-      "\t    [CoreML only] [MLComputeUnits]:[CPUAndNeuralEngine CPUAndGPU CPUAndGPU CPUOnly] Specify to limit the backend device/s used to run the model.\n"
+      "\t    [CoreML only] [MLComputeUnits]:[CPUAndNeuralEngine CPUAndGPU ALL CPUOnly] Specify to limit the backend device used to run the model.\n"
       "\t    [CoreML only] [AllowStaticInputShapes]:[0 1].\n"
       "\t    [CoreML only] [EnableOnSubgraphs]:[0 1].\n"
       "\t    [CoreML only] [ModelCacheDir]: a path to cached compiled coreml model.\n"
diff --git a/onnxruntime/test/perftest/ort_test_session.cc b/onnxruntime/test/perftest/ort_test_session.cc
index b715e32cad3d0..a0f01eda93873 100644
--- a/onnxruntime/test/perftest/ort_test_session.cc
+++ b/onnxruntime/test/perftest/ort_test_session.cc
@@ -74,7 +74,7 @@ OnnxRuntimeTestSession::OnnxRuntimeTestSession(Ort::Env& env, std::random_device
     std::string ov_string = performance_test_config.run_config.ep_runtime_config_string;
 #endif  // defined(_MSC_VER)
     int num_threads = 0;
-    if (!ParseSessionConfigs(ov_string, provider_options)) {
+    if (!ParseSessionConfigs(ov_string, provider_options, {"num_of_threads"})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
@@ -89,10 +89,6 @@ OnnxRuntimeTestSession::OnnxRuntimeTestSession(Ort::Env& env, std::random_device
               " set number of threads or use '0' for default\n");
           // If the user doesnt define num_threads, auto detect threads later
         }
-      } else {
-        ORT_THROW(
-            "[ERROR] [OneDNN] wrong key type entered. "
-            "Choose from the following runtime key options that are available for OneDNN. ['num_of_threads']\n");
       }
     }
     dnnl_options.threadpool_args = static_cast<void*>(&num_threads);
@@ -214,7 +210,7 @@ OnnxRuntimeTestSession::OnnxRuntimeTestSession(Ort::Env& env, std::random_device
 #else
     std::string option_string = performance_test_config.run_config.ep_runtime_config_string;
 #endif
-    if (!ParseSessionConfigs(option_string, provider_options)) {
+    if (!ParseSessionConfigs(option_string, provider_options, {"backend_path", "profiling_file_path", "profiling_level", "rpc_control_latency", "vtcm_mb", "soc_model", "device_id", "htp_performance_mode", "qnn_saver_path", "htp_graph_finalization_optimization_mode", "qnn_context_priority", "htp_arch", "enable_htp_fp16_precision", "offload_graph_io_quantization"})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
@@ -278,11 +274,6 @@ OnnxRuntimeTestSession::OnnxRuntimeTestSession(Ort::Env& env, std::random_device
           std::string str = str_stream.str();
           ORT_THROW("Wrong value for ", key, ". select from: ", str);
         }
-      } else {
-        ORT_THROW(R"(Wrong key type entered. Choose from options: ['backend_path',
-'profiling_level', 'profiling_file_path', 'rpc_control_latency', 'vtcm_mb', 'htp_performance_mode',
-'qnn_saver_path', 'htp_graph_finalization_optimization_mode', 'qnn_context_priority', 'soc_model',
-'htp_arch', 'device_id', 'enable_htp_fp16_precision', 'offload_graph_io_quantization'])");
       }
     }
     session_options.AppendExecutionProvider("QNN", provider_options);
@@ -296,7 +287,7 @@ OnnxRuntimeTestSession::OnnxRuntimeTestSession(Ort::Env& env, std::random_device
 #else
     std::string option_string = performance_test_config.run_config.ep_runtime_config_string;
 #endif
-    if (!ParseSessionConfigs(option_string, provider_options)) {
+    if (!ParseSessionConfigs(option_string, provider_options, {"runtime", "priority", "buffer_type", "enable_init_cache"})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
@@ -320,8 +311,6 @@ select from 'TF8', 'TF16', 'UINT8', 'FLOAT', 'ITENSOR'. \n)");
         if (value != "1") {
           ORT_THROW("Set to 1 to enable_init_cache.");
         }
-      } else {
-        ORT_THROW("Wrong key type entered. Choose from options: ['runtime', 'priority', 'buffer_type', 'enable_init_cache'] \n");
       }
     }
 
@@ -370,32 +359,27 @@ select from 'TF8', 'TF16', 'UINT8', 'FLOAT', 'ITENSOR'. \n)");
 #ifdef __APPLE__
 #ifdef USE_COREML
     std::string ov_string = performance_test_config.run_config.ep_runtime_config_string;
-    if (!ParseSessionConfigs(ov_string, provider_options)) {
+    if (!ParseSessionConfigs(ov_string, provider_options, {kCoremlProviderOption_MLComputeUnits, kCoremlProviderOption_ModelFormat, kCoremlProviderOption_RequireStaticInputShapes, kCoremlProviderOption_EnableOnSubgraphs})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
     }
 
     std::unordered_map<std::string, std::string> available_options = {
-        {"MLComputeUnitsCPUAndNeuralEngine", "1"},
-        {"MLComputeUnitsCPUAndGPU", "1"},
-        {"MLComputeUnitsCPUOnly", "1"},
-        {"MLComputeUnitsAll", "1"},
+        {"CPUAndNeuralEngine", "1"},
+        {"CPUAndGPU", "1"},
+        {"CPUOnly", "1"},
+        {"ALL", "1"},
     };
     for (const auto& provider_option : provider_options) {
       if (provider_option.first == kCoremlProviderOption_MLComputeUnits &&
           available_options.find(provider_option.second) != available_options.end()) {
-      } else if (provider_option.first == kCoremlProviderOption_MLModelFormat &&
+      } else if (provider_option.first == kCoremlProviderOption_ModelFormat &&
                  (provider_option.second == "MLProgram" || provider_option.second == "NeuralNetwork")) {
-      } else if (provider_option.first == kCoremlProviderOption_MLAllowStaticInputShapes &&
+      } else if (provider_option.first == kCoremlProviderOption_RequireStaticInputShapes &&
                  (provider_option.second == "1" || provider_option.second == "0")) {
-      } else if (provider_option.first == kCoremlProviderOption_MLEnableOnSubgraphs &&
+      } else if (provider_option.first == kCoremlProviderOption_EnableOnSubgraphs &&
                  (provider_option.second == "0" || provider_option.second == "1")) {
-      } else {
-        ORT_THROW(
-            "[ERROR] [CoreML] wrong key type entered. Choose from the following runtime key options "
-            "that are available for CoreML. "
-            "['MLComputeUnits', 'ModelFormat', 'AllowStaticInputShapes', 'EnableOnSubgraphs'] \n");
       }
     }
     // COREML_FLAG_CREATE_MLPROGRAM
@@ -413,7 +397,9 @@ select from 'TF8', 'TF16', 'UINT8', 'FLOAT', 'ITENSOR'. \n)");
 #else
     std::string ov_string = performance_test_config.run_config.ep_runtime_config_string;
 #endif
-    if (!ParseSessionConfigs(ov_string, provider_options)) {
+    if (!ParseSessionConfigs(ov_string, provider_options,
+                             {"device_filter", "performance_preference", "disable_metacommands",
+                              "enable_graph_capture", "enable_graph_serialization"})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
@@ -488,7 +474,7 @@ select from 'TF8', 'TF16', 'UINT8', 'FLOAT', 'ITENSOR'. \n)");
     std::string ov_string = performance_test_config.run_config.ep_runtime_config_string;
 #endif  // defined(_MSC_VER)
     bool enable_fast_math = false;
-    if (!ParseSessionConfigs(ov_string, provider_options)) {
+    if (!ParseSessionConfigs(ov_string, provider_options, {"enable_fast_math"})) {
       ORT_THROW(
           "[ERROR] Use a '|' to separate the key and value for the "
           "run-time option you are trying to use.\n");
@@ -503,9 +489,6 @@ select from 'TF8', 'TF16', 'UINT8', 'FLOAT', 'ITENSOR'. \n)");
               "[ERROR] [ACL] You have selcted an invalid value for the key 'enable_fast_math'. "
               "Select from 'true' or 'false' \n");
         }
-      } else {
-        ORT_THROW(
-            "[ERROR] [ACL] Unrecognized option: ", key);
       }
     }
     Ort::ThrowOnError(
diff --git a/onnxruntime/test/perftest/strings_helper.cc b/onnxruntime/test/perftest/strings_helper.cc
index 22f682159b924..d0ee779ff7264 100644
--- a/onnxruntime/test/perftest/strings_helper.cc
+++ b/onnxruntime/test/perftest/strings_helper.cc
@@ -7,12 +7,14 @@
 #include <sstream>
 
 #include "strings_helper.h"
+#include "core/common/common.h"
 
 namespace onnxruntime {
 namespace perftest {
 
 bool ParseSessionConfigs(const std::string& configs_string,
-                         std::unordered_map<std::string, std::string>& session_configs) {
+                         std::unordered_map<std::string, std::string>& session_configs,
+                         const std::unordered_set<std::string>& available_keys) {
   std::istringstream ss(configs_string);
   std::string token;
 
@@ -25,17 +27,27 @@ bool ParseSessionConfigs(const std::string& configs_string,
 
     auto pos = token_sv.find("|");
     if (pos == std::string_view::npos || pos == 0 || pos == token_sv.length()) {
-      // Error: must use a '|' to separate the key and value for session configuration entries.
-      return false;
+      ORT_THROW("Use a '|' to separate the key and value for the run-time option you are trying to use.\n");
     }
 
     std::string key(token_sv.substr(0, pos));
     std::string value(token_sv.substr(pos + 1));
 
+    if (available_keys.empty() == false && available_keys.count(key) == 0) {
+      // Error: unknown option: {key}
+      std::string available_keys_str;
+      for (const auto& key : available_keys) {
+        available_keys_str += key;
+        available_keys_str += ", ";
+      }
+      ORT_THROW("[ERROR] wrong key type entered.: ", key,
+                " Choose from the following runtime key options that are available. ", available_keys_str);
+    }
+
     auto it = session_configs.find(key);
     if (it != session_configs.end()) {
       // Error: specified duplicate session configuration entry: {key}
-      return false;
+      ORT_THROW("Specified duplicate session configuration entry: ", key);
     }
 
     session_configs.insert(std::make_pair(std::move(key), std::move(value)));
diff --git a/onnxruntime/test/perftest/strings_helper.h b/onnxruntime/test/perftest/strings_helper.h
index 24feb90a20a61..b4b5704ebb2cd 100644
--- a/onnxruntime/test/perftest/strings_helper.h
+++ b/onnxruntime/test/perftest/strings_helper.h
@@ -4,11 +4,13 @@
 // Licensed under the MIT License.
 #include <string_view>
 #include <unordered_map>
+#include <unordered_set>
 
 namespace onnxruntime {
 namespace perftest {
 
 bool ParseSessionConfigs(const std::string& configs_string,
-                         std::unordered_map<std::string, std::string>& session_configs);
+                         std::unordered_map<std::string, std::string>& session_configs,
+                         const std::unordered_set<std::string>& available_keys = {});
 }  // namespace perftest
 }  // namespace onnxruntime
diff --git a/onnxruntime/test/platform/apple/apple_package_test/ios_package_testUITests/ios_package_uitest_cpp_api.mm b/onnxruntime/test/platform/apple/apple_package_test/ios_package_testUITests/ios_package_uitest_cpp_api.mm
index 8fe382b8fe246..fa95c1fc52b94 100644
--- a/onnxruntime/test/platform/apple/apple_package_test/ios_package_testUITests/ios_package_uitest_cpp_api.mm
+++ b/onnxruntime/test/platform/apple/apple_package_test/ios_package_testUITests/ios_package_uitest_cpp_api.mm
@@ -36,7 +36,7 @@ void testSigmoid(const char* modelPath, bool useCoreML = false, bool useWebGPU =
 #if COREML_EP_AVAILABLE
   if (useCoreML) {
     std::unordered_map<std::string, std::string> provider_options = {
-        {kCoremlProviderOption_MLComputeUnits, "MLComputeUnitsCPUOnly"}};
+        {kCoremlProviderOption_MLComputeUnits, "CPUOnly"}};
     session_options.AppendExecutionProvider("CoreML", provider_options);
   }
 #else
diff --git a/onnxruntime/test/platform/apple/apple_package_test/macos_package_testUITests/macos_package_uitest_cpp_api.mm b/onnxruntime/test/platform/apple/apple_package_test/macos_package_testUITests/macos_package_uitest_cpp_api.mm
index 8a877bc4c9f7a..b53a4a2df09b4 100644
--- a/onnxruntime/test/platform/apple/apple_package_test/macos_package_testUITests/macos_package_uitest_cpp_api.mm
+++ b/onnxruntime/test/platform/apple/apple_package_test/macos_package_testUITests/macos_package_uitest_cpp_api.mm
@@ -36,7 +36,7 @@ void testSigmoid(const char* modelPath, bool useCoreML = false, bool useWebGPU =
 #if COREML_EP_AVAILABLE
   if (useCoreML) {
     std::unordered_map<std::string, std::string> provider_options = {
-        {kCoremlProviderOption_MLComputeUnits, "MLComputeUnitsCPUOnly"}};
+        {kCoremlProviderOption_MLComputeUnits, "CPUOnly"}};
     session_options.AppendExecutionProvider("CoreML", provider_options);
   }
 #else
diff --git a/onnxruntime/test/providers/coreml/coreml_basic_test.cc b/onnxruntime/test/providers/coreml/coreml_basic_test.cc
index acedfd1241021..a8480e7416de5 100644
--- a/onnxruntime/test/providers/coreml/coreml_basic_test.cc
+++ b/onnxruntime/test/providers/coreml/coreml_basic_test.cc
@@ -31,9 +31,9 @@ namespace onnxruntime {
 namespace test {
 
 static std::unique_ptr<IExecutionProvider> MakeCoreMLExecutionProvider(
-    std::string ModelFormat = "NeuralNetwork", std::string ComputeUnits = "MLComputeUnitsCPUOnly") {
+    std::string ModelFormat = "NeuralNetwork", std::string ComputeUnits = "CPUOnly") {
   std::unordered_map<std::string, std::string> provider_options = {{kCoremlProviderOption_MLComputeUnits, ComputeUnits},
-                                                                   {kCoremlProviderOption_MLModelFormat, ModelFormat}};
+                                                                   {kCoremlProviderOption_ModelFormat, ModelFormat}};
   return CoreMLProviderFactoryCreator::Create(provider_options)->CreateProvider();
 }
 
diff --git a/onnxruntime/test/providers/coreml/dynamic_input_test.cc b/onnxruntime/test/providers/coreml/dynamic_input_test.cc
index af81e75e5fe53..8294f65745256 100644
--- a/onnxruntime/test/providers/coreml/dynamic_input_test.cc
+++ b/onnxruntime/test/providers/coreml/dynamic_input_test.cc
@@ -102,7 +102,7 @@ TEST(CoreMLExecutionProviderDynamicInputShapeTest, EmptyInputFails) {
 
 TEST(CoreMLExecutionProviderDynamicInputShapeTest, OnlyAllowStaticInputShapes) {
   constexpr auto model_path = ORT_TSTR("testdata/matmul_with_dynamic_input_shape.onnx");
-  std::unordered_map<std::string, std::string> options = {{kCoremlProviderOption_MLAllowStaticInputShapes, "1"}};
+  std::unordered_map<std::string, std::string> options = {{kCoremlProviderOption_RequireStaticInputShapes, "1"}};
   auto coreml_ep = CoreMLProviderFactoryCreator::Create(options)->CreateProvider();
   ;
 
diff --git a/onnxruntime/test/util/default_providers.cc b/onnxruntime/test/util/default_providers.cc
index 2b435c7cdcf67..b27f3116911e9 100644
--- a/onnxruntime/test/util/default_providers.cc
+++ b/onnxruntime/test/util/default_providers.cc
@@ -254,10 +254,10 @@ std::unique_ptr<IExecutionProvider> DefaultCoreMLExecutionProvider(bool use_mlpr
 #if defined(USE_COREML) && defined(__APPLE__)
   // We want to run UT on CPU only to get output value without losing precision
   auto option = ProviderOptions();
-  option[kCoremlProviderOption_MLComputeUnits] = "MLComputeUnitsCPUOnly";
+  option[kCoremlProviderOption_MLComputeUnits] = "CPUOnly";
 
   if (use_mlprogram) {
-    option[kCoremlProviderOption_MLModelFormat] = "MLProgram";
+    option[kCoremlProviderOption_ModelFormat] = "MLProgram";
   }
 
   return CoreMLProviderFactoryCreator::Create(option)->CreateProvider();