diff --git a/strix/config/settings.py b/strix/config/settings.py
index 69e8575c0..73907c9c7 100644
--- a/strix/config/settings.py
+++ b/strix/config/settings.py
@@ -63,7 +63,7 @@ class LlmSettings(BaseSettings):
     # (OpenAI; DeepSeek and GLM use 64, vLLM defaults to 16).
     cache_block_tokens: int = Field(default=128, ge=1, alias="STRIX_CACHE_BLOCK_TOKENS")
     openrouter_sticky_sessions: bool = Field(
-        default=True,
+        default=False,
         alias="STRIX_OPENROUTER_STICKY_SESSIONS",
     )
     disable_streaming: bool = Field(