diff --git a/evaluation/evaluate_rag_answers.py b/evaluation/evaluate_rag_answers.py
index 7f9113b..48cb42f 100644
--- a/evaluation/evaluate_rag_answers.py
+++ b/evaluation/evaluate_rag_answers.py
@@ -24,6 +24,9 @@ from evaluation.rag_metrics import (
     summarize_results,
 )
 from evaluation.rag_runner import (
+    DEFAULT_BACKOFF_BASE,
+    DEFAULT_BACKOFF_MAX,
+    DEFAULT_MAX_ATTEMPTS,
     DEFAULT_MODEL,
     DEFAULT_TIMEOUT,
     LOCAL_OPENAPI_URL,
@@ -155,6 +158,39 @@ def parse_args() -> argparse.Namespace:
         ),
     )
 
+    parser.add_argument(
+        "--max-attempts",
+        type=int,
+        default=DEFAULT_MAX_ATTEMPTS,
+        help=(
+            "Maximálny počet HTTP pokusov "
+            "pre retryable chyby. "
+            f"Predvolené: {DEFAULT_MAX_ATTEMPTS}."
+        ),
+    )
+
+    parser.add_argument(
+        "--backoff-base",
+        type=float,
+        default=DEFAULT_BACKOFF_BASE,
+        help=(
+            "Počiatočný exponential backoff "
+            "v sekundách. "
+            f"Predvolené: {DEFAULT_BACKOFF_BASE}."
+        ),
+    )
+
+    parser.add_argument(
+        "--backoff-max",
+        type=float,
+        default=DEFAULT_BACKOFF_MAX,
+        help=(
+            "Maximálny exponential backoff "
+            "v sekundách. "
+            f"Predvolené: {DEFAULT_BACKOFF_MAX}."
+        ),
+    )
+
     parser.add_argument(
         "--delay",
         type=float,
@@ -200,6 +236,21 @@ def parse_args() -> argparse.Namespace:
             "--timeout musí byť > 0"
         )
 
+    if args.max_attempts <= 0:
+        parser.error(
+            "--max-attempts musí byť > 0"
+        )
+
+    if args.backoff_base < 0:
+        parser.error(
+            "--backoff-base nesmie byť záporné"
+        )
+
+    if args.backoff_max < 0:
+        parser.error(
+            "--backoff-max nesmie byť záporné"
+        )
+
     if args.delay < 0:
         parser.error(
             "--delay nesmie byť záporné"
@@ -799,7 +850,8 @@ def main() -> int:
     try:
         openwebui_api_key = (
             load_env_value(
-                "OPENWEBUI_API_KEY"
+                "OPENWEBUI_API_KEY",
+                allow_env_file=False,
             )
         )
 
@@ -821,6 +873,15 @@ def main() -> int:
         openapi = request_json(
             LOCAL_OPENAPI_URL,
             timeout=args.timeout,
+            max_attempts=(
+                args.max_attempts
+            ),
+            backoff_base=(
+                args.backoff_base
+            ),
+            backoff_max=(
+                args.backoff_max
+            ),
         )
 
         operation_id, rag_tool = (
@@ -912,6 +973,17 @@ def main() -> int:
         f"{len(questions)}"
     )
 
+    print(
+        "Retry: "
+        f"{args.max_attempts} pokusy"
+    )
+
+    print(
+        "Backoff: "
+        f"{args.backoff_base}s "
+        f"→ max {args.backoff_max}s"
+    )
+
     print(
         "=" * 60
     )
@@ -1010,6 +1082,15 @@ def main() -> int:
                     search_api_key
                 ),
                 timeout=args.timeout,
+                max_attempts=(
+                    args.max_attempts
+                ),
+                backoff_base=(
+                    args.backoff_base
+                ),
+                backoff_max=(
+                    args.backoff_max
+                ),
             )
 
             scores = evaluate_answer(
@@ -1092,6 +1173,15 @@ def main() -> int:
             "applied_override_ids": (
                 selected_override_ids
             ),
+            "max_attempts": (
+                args.max_attempts
+            ),
+            "backoff_base": (
+                args.backoff_base
+            ),
+            "backoff_max": (
+                args.backoff_max
+            ),
             "completed_so_far": len(
                 results
             ),
@@ -1174,6 +1264,15 @@ def main() -> int:
             "timeout": (
                 args.timeout
             ),
+            "max_attempts": (
+                args.max_attempts
+            ),
+            "backoff_base": (
+                args.backoff_base
+            ),
+            "backoff_max": (
+                args.backoff_max
+            ),
             "delay": (
                 args.delay
             ),