diff --git a/backend/app/core/config.py b/backend/app/core/config.py
index ec692fb..dc7a4fd 100644
--- a/backend/app/core/config.py
+++ b/backend/app/core/config.py
@@ -165,7 +165,7 @@ class Settings(BaseSettings):
     gemini_tts_speed_step: float = 0.1
 
     # Whisper Configuration (for pause point refinement)
-    whisper_model: str = "base"  # Options: tiny, base, small, medium, large-v3
+    whisper_model: str = "large-v3"  # Options: tiny, base, small, medium, large-v3
     whisper_max_search_window: float = 5.0  # Max seconds to search for speech gap after Gemini point
     whisper_sentence_gap_threshold: float = 0.5  # Gap duration to classify as sentence boundary
     whisper_phrase_gap_threshold: float = 0.3  # Gap duration to classify as phrase boundary