diff --git a/scripts/populate_tox/tox.jinja b/scripts/populate_tox/tox.jinja
index 60818caaca..ea5ca7e549 100644
--- a/scripts/populate_tox/tox.jinja
+++ b/scripts/populate_tox/tox.jinja
@@ -227,6 +227,8 @@ setenv =
     # which targets the workspace `.venv` instead of the tox env and hangs.
     ray: RAY_ENABLE_UV_RUN_RUNTIME_ENV=0
 
+    litellm: LITELLM_LOCAL_MODEL_COST_MAP=true
+
     # Avoid polluting test suite with imports
     common: PYTEST_ADDOPTS="--ignore=tests/test_shadowed_module.py"
     gevent: PYTEST_ADDOPTS="--ignore=tests/test_shadowed_module.py"
diff --git a/tox.ini b/tox.ini
index c415d20ea3..294282486b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19379,6 +19379,8 @@ setenv =
     # which targets the workspace `.venv` instead of the tox env and hangs.
     ray: RAY_ENABLE_UV_RUN_RUNTIME_ENV=0
 
+    litellm: LITELLM_LOCAL_MODEL_COST_MAP=true
+
     # Avoid polluting test suite with imports
     common: PYTEST_ADDOPTS="--ignore=tests/test_shadowed_module.py"
     gevent: PYTEST_ADDOPTS="--ignore=tests/test_shadowed_module.py"