diff --git a/src/charts/benchmark_disclaimer.py b/src/charts/benchmark_disclaimer.py
new file mode 100644
index 0000000..4b57c4e
--- /dev/null
+++ b/src/charts/benchmark_disclaimer.py
@@ -0,0 +1,51 @@
+"""Benchmark Scores with Production Disclaimer (Optional/Secondary)"""
+import sys
+from pathlib import Path
+sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
+
+import matplotlib
+matplotlib.use("Agg")
+import matplotlib.pyplot as plt
+from src.data.agent_adoption import benchmark_scores_with_disclaimer
+from src.utils.styling import get_theme, EXPORT_DPI, BUBBLE_ZONE, WARNING_ZONE, GRAY_LIGHT
+
+def plot_benchmark_disclaimer() -> str:
+    plt.rcParams.update(get_theme())
+    fig, ax = plt.subplots(figsize=(10, 5))
+
+    models = [d["model"] for d in benchmark_scores_with_disclaimer]
+    scores = [d["swe_bench_verified_percent"] for d in benchmark_scores_with_disclaimer]
+
+    colors = [WARNING_ZONE if s < 90 else BUBBLE_ZONE for s in scores]
+    bars = ax.barh(models, scores, color=colors, edgecolor="white", height=0.5)
+
+    for bar, val in zip(bars, scores):
+        ax.text(val + 1, bar.get_y() + bar.get_height()/2, f"{val}%",
+                va="center", fontsize=12, fontweight="bold")
+
+    ax.set_xlabel("SWE-bench Verified Score (%)", fontsize=11)
+    ax.set_title("SWE-bench Scores — Lab Benchmark Only", fontsize=14, fontweight="bold")
+    ax.set_xlim(0, 100)
+    ax.grid(True, alpha=0.3, axis="x")
+
+    # LARGE DISCLAIMER — must be very prominent
+    fig.text(0.5, 0.12,
+             "⚠️ LAB BENCHMARK ONLY ⚠️\n"
+             "Does NOT measure production capability, debugging, architecture,\n"
+             "or code quality. Real-world performance may differ significantly.\n"
+             "See chart 12_developer_ai_reality.png for real-world data.",
+             ha="center", fontsize=12, fontweight="bold", color=BUBBLE_ZONE,
+             bbox=dict(boxstyle="round,pad=0.8", facecolor=GRAY_LIGHT,
+                      edgecolor=BUBBLE_ZONE, linewidth=3))
+
+    fig.savefig("output/charts/12b_benchmarks_with_disclaimer.png", dpi=EXPORT_DPI,
+                facecolor=fig.get_facecolor(), edgecolor="none")
+    plt.close(fig)
+    return "output/charts/12b_benchmarks_with_disclaimer.png"
+
+def main():
+    path = plot_benchmark_disclaimer()
+    print(f"Chart saved: {path}")
+
+if __name__ == "__main__":
+    main()