diff --git a/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233000_add_spend_log_api_key_window_covering_index/migration.sql b/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233000_add_spend_log_api_key_window_covering_index/migration.sql
new file mode 100644
index 00000000000..44331db245e
--- /dev/null
+++ b/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233000_add_spend_log_api_key_window_covering_index/migration.sql
@@ -0,0 +1,6 @@
+-- Keep budget-window reseeds off the wide spend-log heap, including for keys
+-- that own most rows. CONCURRENTLY avoids blocking inserts on production tables.
+-- This migration must remain a single statement because CREATE INDEX
+-- CONCURRENTLY cannot run inside a transaction.
+CREATE INDEX CONCURRENTLY IF NOT EXISTS "LiteLLM_SpendLogs_api_key_startTime_idx"
+ON "LiteLLM_SpendLogs" ("api_key", "startTime") INCLUDE ("spend");
diff --git a/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233100_add_spend_log_team_window_covering_index/migration.sql b/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233100_add_spend_log_team_window_covering_index/migration.sql
new file mode 100644
index 00000000000..947124e7353
--- /dev/null
+++ b/litellm-proxy-extras/litellm_proxy_extras/migrations/20260804233100_add_spend_log_team_window_covering_index/migration.sql
@@ -0,0 +1,5 @@
+-- Match the team budget-window aggregate with the same index-only access path.
+-- This migration is separate from the api-key index because each concurrent
+-- index build must be applied outside a transaction as a single statement.
+CREATE INDEX CONCURRENTLY IF NOT EXISTS "LiteLLM_SpendLogs_team_id_startTime_idx"
+ON "LiteLLM_SpendLogs" ("team_id", "startTime") INCLUDE ("spend");
diff --git a/litellm-proxy-extras/litellm_proxy_extras/schema.prisma b/litellm-proxy-extras/litellm_proxy_extras/schema.prisma
index d9959677116..f71eeac3232 100644
--- a/litellm-proxy-extras/litellm_proxy_extras/schema.prisma
+++ b/litellm-proxy-extras/litellm_proxy_extras/schema.prisma
@@ -645,6 +645,8 @@ model LiteLLM_SpendLogs {
   updated_at          DateTime   @default(now()) @updatedAt @map("updated_at")
   @@index([startTime])
   @@index([startTime, request_id])
+  @@index([api_key, startTime])
+  @@index([team_id, startTime])
   @@index([end_user])
   @@index([session_id])
 }
diff --git a/litellm/proxy/schema.prisma b/litellm/proxy/schema.prisma
index d9959677116..f71eeac3232 100644
--- a/litellm/proxy/schema.prisma
+++ b/litellm/proxy/schema.prisma
@@ -645,6 +645,8 @@ model LiteLLM_SpendLogs {
   updated_at          DateTime   @default(now()) @updatedAt @map("updated_at")
   @@index([startTime])
   @@index([startTime, request_id])
+  @@index([api_key, startTime])
+  @@index([team_id, startTime])
   @@index([end_user])
   @@index([session_id])
 }
diff --git a/schema.prisma b/schema.prisma
index d9959677116..f71eeac3232 100644
--- a/schema.prisma
+++ b/schema.prisma
@@ -645,6 +645,8 @@ model LiteLLM_SpendLogs {
   updated_at          DateTime   @default(now()) @updatedAt @map("updated_at")
   @@index([startTime])
   @@index([startTime, request_id])
+  @@index([api_key, startTime])
+  @@index([team_id, startTime])
   @@index([end_user])
   @@index([session_id])
 }
diff --git a/tests/test_litellm/proxy/db/test_spend_log_budget_window_indexes.py b/tests/test_litellm/proxy/db/test_spend_log_budget_window_indexes.py
new file mode 100644
index 00000000000..29f4d03e9e9
--- /dev/null
+++ b/tests/test_litellm/proxy/db/test_spend_log_budget_window_indexes.py
@@ -0,0 +1,37 @@
+from pathlib import Path
+
+
+REPO_ROOT = Path(__file__).resolve().parents[4]
+EXTRAS_ROOT = REPO_ROOT / "litellm-proxy-extras" / "litellm_proxy_extras"
+SCHEMAS = (
+    REPO_ROOT / "schema.prisma",
+    REPO_ROOT / "litellm" / "proxy" / "schema.prisma",
+    EXTRAS_ROOT / "schema.prisma",
+)
+
+INDEXES = {
+    "api_key": (
+        EXTRAS_ROOT / "migrations" / "20260804233000_add_spend_log_api_key_window_covering_index" / "migration.sql"
+    ),
+    "team_id": (
+        EXTRAS_ROOT / "migrations" / "20260804233100_add_spend_log_team_window_covering_index" / "migration.sql"
+    ),
+}
+
+
+def test_spend_log_budget_window_indexes_are_declared_in_all_schemas():
+    schemas = [schema.read_text(encoding="utf-8") for schema in SCHEMAS]
+
+    assert all(schema == schemas[0] for schema in schemas[1:])
+    for schema in schemas:
+        for field in INDEXES:
+            assert f"@@index([{field}, startTime])" in schema
+
+
+def test_spend_log_budget_window_migrations_create_covering_indexes_concurrently():
+    for field, migration_path in INDEXES.items():
+        migration = migration_path.read_text(encoding="utf-8")
+
+        assert migration.count("CREATE INDEX CONCURRENTLY IF NOT EXISTS") == 1
+        assert "CREATE INDEX CONCURRENTLY IF NOT EXISTS" in migration
+        assert f'("{field}", "startTime") INCLUDE ("spend")' in migration