diff --git a/router/router.py b/router/router.py
index 5af41d8..de0d340 100644
--- a/router/router.py
+++ b/router/router.py
@@ -218,8 +218,8 @@ def route(rd, tier):
         result = select_best_gpu(fallback, "lightweight_fallback")
         if result: return result
     
-    # TIER 2: Simple conversations — short context, any prompt → VLM first, Dense second
-    if t <= 4000 and turns <= 6 and "qwen3.5-9b-vlm" in avail:
+    # TIER 2: Simple conversations — VLM primary (up to 10K tok), any prompt → VLM first, Dense second
+    if t <= 10000 and turns <= 10 and "qwen3.5-9b-vlm" in avail:
         if not is_gpu_busy("qwen3.5-9b-vlm"):
             return {"model":"qwen3.5-9b-vlm","reason":"simple_conv"}
         # VLM busy — fall back to Dense, then MoE