diff --git a/backend/config.py b/backend/config.py
index 3ef4494..6762b5f 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -11,13 +11,13 @@ OPENROUTER_API_KEY = os.getenv("OPENROUTER_API_KEY")
 # Council members - list of OpenRouter model identifiers
 COUNCIL_MODELS = [
     "openai/gpt-4o",
-    "google/gemini-3-pro-preview",
-    "anthropic/claude-sonnet-4.5",
-    "x-ai/grok-4.1-fast",
+    "google/gemini-2.5-flash-preview-05-20",
+    "anthropic/claude-sonnet-4",
+    "x-ai/grok-3-fast",
 ]
 
 # Chairman model - synthesizes final response
-CHAIRMAN_MODEL = "google/gemini-3-pro-preview"
+CHAIRMAN_MODEL = "google/gemini-2.5-flash-preview-05-20"
 
 # OpenRouter API endpoint
 OPENROUTER_API_URL = "https://openrouter.ai/api/v1/chat/completions"