diff --git a/benchmark/over_time.py b/benchmark/over_time.py
index afae1d26e..7195d52c3 100644
--- a/benchmark/over_time.py
+++ b/benchmark/over_time.py
@@ -12,6 +12,9 @@ def get_model_color(model):
     if model == "gpt-4o-mini":
         return default
 
+    if "qwen" in model.lower():
+        return "purple"
+
     if "haiku" in model.lower():
         return "pink"
 
@@ -85,6 +88,7 @@ def plot_over_time(yaml_file):
     orange_points = [(d, r) for d, r, c in zip(dates, pass_rates, colors) if c == "orange"]
     brown_points = [(d, r) for d, r, c in zip(dates, pass_rates, colors) if c == "brown"]
     pink_points = [(d, r) for d, r, c in zip(dates, pass_rates, colors) if c == "pink"]
+    qwen_points = [(d, r) for d, r, c in zip(dates, pass_rates, colors) if c == "purple"]
 
     # Plot lines for purple, red, green, orange and brown points
     if purple_points:
@@ -105,6 +109,9 @@ def plot_over_time(yaml_file):
     if pink_points:
         pink_dates, pink_rates = zip(*sorted(pink_points))
         ax.plot(pink_dates, pink_rates, c="pink", alpha=0.5, linewidth=1)
+    if qwen_points:
+        qwen_dates, qwen_rates = zip(*sorted(qwen_points))
+        ax.plot(qwen_dates, qwen_rates, c="purple", alpha=0.5, linewidth=1)
 
     # Plot all points
     ax.scatter(dates, pass_rates, c=colors, alpha=0.5, s=120)