diff --git a/backend/config.py b/backend/config.py
index 443e439..45c1383 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -80,7 +80,7 @@ CATEGORY_KEYWORDS = {
 
 # Translation settings
 TRANSLATION = {
-    'model': 'claude-3-5-sonnet-20241022',
+    'model': os.getenv('CLAUDE_MODEL', 'claude-3-haiku-20240307'),
     'max_tokens': 4000,
     'temperature': 0.5,  # Higher = more natural, casual translation
     'preserve_terms': [  # Technical terms to keep in English