diff --git a/index/chunking.py b/index/chunking.py
index 6b76f60..60cbdfc 100644
--- a/index/chunking.py
+++ b/index/chunking.py
@@ -4,10 +4,10 @@ from cleaning import CleanedMessage, clean_message
 from rendering import render_dense_content, render_page_content, render_sparse_content
 from index_schemas import IndexAPIItem, Message
 
-WINDOW_MAX_MESSAGES = 10
-WINDOW_MAX_CHARS = 2048
+WINDOW_MAX_MESSAGES = 5
+WINDOW_MAX_CHARS = 512
 TIME_GAP_SECONDS = 3600
-OVERLAP_MESSAGES = 3
+OVERLAP_MESSAGES = 2
 
 
 def _clean_all(messages: list[Message]) -> list[CleanedMessage]: