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app.py

@@ -2910,7 +2910,9 @@ def _compare_fn(prompt, selected_versions, mode_key, use_custom,
         cfg["max_new_tokens"] = int(max_tokens)
         cfg["context_window"] = int(ctx_win)
 
-    all_versions = _collection_versions()
+    # Iterate + emit oldest → newest (Haiku-1 first, Glint-1 last) so the order
+    # matches the output-box layout in the UI.
+    all_versions = _sort_oldest_to_newest(_collection_versions())
     selected = set(selected_versions or [])
     state = {v: ("⏳ Queued…" if v in selected else "") for v in all_versions}
 
@@ -3060,7 +3062,16 @@ def _advanced_block():
 
 # ---- build UI ----
 
-_initial_versions = _collection_versions()
+def _sort_oldest_to_newest(versions: list[str]) -> list[str]:
+    """Sort versions oldest→newest using HUGGINGFACE_MODELS key order."""
+    order = {name: i for i, name in enumerate(HUGGINGFACE_MODELS)}
+    return sorted(
+        versions,
+        key=lambda v: (order.get(v, len(order)), versions.index(v)),
+    )
+
+
+_initial_versions = _sort_oldest_to_newest(_collection_versions())
 _initial_version = _initial_versions[0] if _initial_versions else None
 _initial_ckpt_labels = _ckpt_labels(_initial_version) if _initial_version else []
 _mode_keys = list(MODES.keys())