diff --git a/.ci/scripts/test_llama.sh b/.ci/scripts/test_llama.sh
old mode 100644
new mode 100755
index d9e527e7c78..4769b4c9d23
--- a/.ci/scripts/test_llama.sh
+++ b/.ci/scripts/test_llama.sh
@@ -137,6 +137,44 @@ else
   QNN_SDK_ROOT=""
 fi
 
+# Set dynamic max export times
+PLATFORM="x86"
+if [[ "$(uname)" == "Darwin" ]]; then
+    PLATFORM="macos"
+elif [[ "$(uname -m)" == "aarch64" ]] || [[ "$(uname -m)" == "arm64" ]]; then
+    PLATFORM="arm64"
+fi
+
+BUFFER_TIME=50
+
+# Lookup threshold based on platform:dtype:mode
+case "${PLATFORM}:${DTYPE}:${MODE}" in
+
+    # Linux x86 configurations
+    "x86:fp32:portable")                        ACT_EXPORT_TIME=72 ;;
+    "x86:fp32:xnnpack+custom")                  ACT_EXPORT_TIME=276 ;;
+    "x86:bf16:portable")                        ACT_EXPORT_TIME=75 ;;
+
+    # Linux ARM64 configurations
+    "arm64:fp32:portable")                      ACT_EXPORT_TIME=124 ;;
+    "arm64:fp32:xnnpack+custom")                ACT_EXPORT_TIME=483 ;;
+    "arm64:bf16:portable")                      ACT_EXPORT_TIME=118 ;;
+    "arm64:bf16:custom")                        ACT_EXPORT_TIME=102 ;;
+
+    # macOS configurations
+    "macos:fp32:mps")                           ACT_EXPORT_TIME=30  ;;
+    "macos:fp32:coreml")                        ACT_EXPORT_TIME=61  ;;
+    "macos:fp32:xnnpack+custom+quantize_kv")    ACT_EXPORT_TIME=133 ;;
+
+    # Default fallback for unknown configurations
+    *)
+        ACT_EXPORT_TIME=450
+        echo "Warning: No threshold defined for ${PLATFORM}:${DTYPE}:${MODE}, using default: ${MAX_EXPORT_TIME}s"
+        ;;
+esac
+
+MAX_EXPORT_TIME=$((ACT_EXPORT_TIME + BUFFER_TIME))
+
 echo "QNN option ${QNN}"
 echo "QNN_SDK_ROOT: ${QNN_SDK_ROOT}"
 
@@ -255,9 +293,25 @@ fi
 if [[ "${QUANTIZE_KV_CACHE}" == "ON" ]]; then
   EXPORT_ARGS="${EXPORT_ARGS} model.quantize_kv_cache=true"
 fi
+
+EXPORT_START_TIME=$(date +%s)
+
 # Add dynamically linked library location
 $PYTHON_EXECUTABLE -m extension.llm.export.export_llm ${EXPORT_ARGS}
 
+EXPORT_END_TIME=$(date +%s)
+EXPORT_DURATION=$((EXPORT_END_TIME - EXPORT_START_TIME))
+echo "Model export completed at $(date +"%Y-%m-%d %H:%M:%S") - Duration: ${EXPORT_DURATION} seconds"
+
+# Check export time against threshold. Default is 500 seconds.
+if [ $EXPORT_DURATION -gt $MAX_EXPORT_TIME ]; then
+    echo "Failure; Export took ${EXPORT_DURATION} seconds, exceeding threshold of ${MAX_EXPORT_TIME} seconds"
+    exit 1
+fi
+
+echo "Success; Export time check passed: ${EXPORT_DURATION}s <= ${MAX_EXPORT_TIME}s"
+
+
 # Create tokenizer.bin.
 echo "Creating tokenizer.bin"
 $PYTHON_EXECUTABLE -m pytorch_tokenizers.tools.llama2c.convert -t tokenizer.model -o tokenizer.bin