diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index ad82733e9744..515bcffb28e4 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -11543,7 +11543,7 @@ class ChatGXYResponses(Base):
     __tablename__ = "chatgxy_responses"
 
     id: Mapped[int] = mapped_column(primary_key=True)
-    job_id: Mapped[Optional[int]] = mapped_column(ForeignKey("job.id"), index=True)
+    job_id: Mapped[Optional[int]] = mapped_column(ForeignKey("job.id"), nullable=True)
     response: Mapped[str] = mapped_column(TEXT, nullable=True)
     feedback: Mapped[int] = mapped_column(Integer, nullable=True)
 
diff --git a/lib/galaxy/model/migrations/alembic/versions_gxy/8067ed6a55e7_create_chatgxy_table.py b/lib/galaxy/model/migrations/alembic/versions_gxy/8067ed6a55e7_create_chatgxy_table.py
new file mode 100644
index 000000000000..3305be910e34
--- /dev/null
+++ b/lib/galaxy/model/migrations/alembic/versions_gxy/8067ed6a55e7_create_chatgxy_table.py
@@ -0,0 +1,40 @@
+"""create chatGXY table
+
+Revision ID: 8067ed6a55e7
+Revises: a99a5b52ccb8
+Create Date: 2024-10-29 16:59:31.185936
+
+"""
+
+from sqlalchemy import (
+    Column,
+    ForeignKey,
+    Integer,
+    Text,
+)
+
+from galaxy.model.migrations.util import (
+    create_table,
+    drop_table,
+)
+
+# revision identifiers, used by Alembic.
+revision = '8067ed6a55e7'
+down_revision = 'a99a5b52ccb8'
+branch_labels = None
+depends_on = None
+
+table_name= "chatgxy_responses"
+
+def upgrade():
+    create_table(
+        table_name,
+        Column('id', Integer, primary_key=True),
+        Column('user_id', Integer, ForeignKey('job.id'), nullable=True),
+        Column('response', Text, nullable=False),
+        Column('feedback', Integer, nullable=True),
+    )
+
+
+def downgrade():
+    drop_table(table_name)