Show OpenHands on alternate agents page for shared models

This commit was created by an AI assistant (OpenHands) on behalf of the user.

Co-authored-by: openhands <openhands@all-hands.dev>

alternative_agents_page.py

@@ -13,9 +13,15 @@ This page is intentionally a single Overall view (no per-category
 subpages) — the alternative-agents dataset is small (one row per
 harness × model) and the goal is "show me all the alternatives at a
 glance", not "drill into Issue Resolution for Codex".
+
+To make same-model comparisons easier, the page also appends canonical
+OpenHands rows for any language model that appears in the alternative
+agent dataset. The match is exact, so ``Gemini-3-Pro`` and
+``Gemini-3.1-Pro`` remain distinct entries.
 """
 import matplotlib
 matplotlib.use('Agg')
+import pandas as pd
 import gradio as gr
 
 from simple_data_loader import SimpleLeaderboardViewer
@@ -30,15 +36,45 @@ ALTERNATIVE_AGENTS_INTRO = """
   <h2>Alternative Agents</h2>
   <p>
     Third-party agent harnesses running the OpenHands Index benchmarks.
-    These rows aren't part of the OpenHands ranking on the
-    <a href="/home">Home</a> page — they're tracked here as a comparison
-    point. Cost and runtime numbers come from each harness's own
-    instrumentation and aren't directly comparable across harnesses.
+    To make direct comparisons easier, this page also includes the
+    canonical OpenHands row whenever the exact same language model appears
+    under an alternative harness. Cost and runtime numbers still come from
+    each harness's own instrumentation and aren't directly comparable
+    across harnesses.
   </p>
 </div>
 """
 
 
+def _append_openhands_shared_models(
+    alternative_df: pd.DataFrame,
+    split: str,
+) -> pd.DataFrame:
+    if alternative_df.empty or "Language Model" not in alternative_df.columns:
+        return alternative_df
+
+    openhands_df, _ = get_full_leaderboard_data(
+        split,
+        agent_filter=SimpleLeaderboardViewer.AGENT_FILTER_OPENHANDS,
+    )
+    if openhands_df.empty or "Language Model" not in openhands_df.columns:
+        return alternative_df
+
+    alternative_models = set(
+        alternative_df["Language Model"].dropna().astype(str).str.strip()
+    )
+    if not alternative_models:
+        return alternative_df
+
+    openhands_shared_df = openhands_df[
+        openhands_df["Language Model"].astype(str).str.strip().isin(alternative_models)
+    ].copy()
+    if openhands_shared_df.empty:
+        return alternative_df
+
+    return pd.concat([alternative_df, openhands_shared_df], ignore_index=True, sort=False)
+
+
 def build_page():
     gr.HTML(ALTERNATIVE_AGENTS_INTRO)
 
@@ -57,6 +93,8 @@ def build_page():
         )
         return
 
+    test_df = _append_openhands_shared_models(test_df, split="test")
+
     create_leaderboard_display(
         full_df=test_df,
         tag_map=test_tag_map,