diff --git a/lua/avante/config.lua b/lua/avante/config.lua
index 4545d8b..efd1eac 100644
--- a/lua/avante/config.lua
+++ b/lua/avante/config.lua
@@ -251,7 +251,7 @@ M._defaults = {
       proxy = nil, -- [protocol://]host[:port] Use this proxy
       allow_insecure = false, -- Allow insecure server connections
       timeout = 30000, -- Timeout in milliseconds
-      context_window = 128000, -- Number of tokens to send to the model for context
+      context_window = 64000, -- Number of tokens to send to the model for context
       extra_request_body = {
         temperature = 0.75,
         max_tokens = 20480,