diff --git a/instill/helpers/const.py b/instill/helpers/const.py
index 490e8f0..644ba03 100644
--- a/instill/helpers/const.py
+++ b/instill/helpers/const.py
@@ -120,3 +120,4 @@ class VisualQuestionAnsweringInput:
 ENV_NUM_OF_CPUS = "RAY_NUM_OF_CPUS"
 ENV_NUM_OF_MIN_REPLICAS = "RAY_NUM_OF_MIN_REPLICAS"
 ENV_NUM_OF_MAX_REPLICAS = "RAY_NUM_OF_MAX_REPLICAS"
+ENV_IS_TEST_MODEL = "RAY_IS_TEST_MODEL"
diff --git a/instill/helpers/ray_config.py b/instill/helpers/ray_config.py
index 8fd0d9f..1aa0bd6 100644
--- a/instill/helpers/ray_config.py
+++ b/instill/helpers/ray_config.py
@@ -10,6 +10,7 @@
     DEFAULT_MAX_ONGOING_REQUESTS,
     DEFAULT_MAX_QUEUED_REQUESTS,
     DEFAULT_RAY_ACTOR_OPTIONS,
+    ENV_IS_TEST_MODEL,
     ENV_MEMORY,
     ENV_NUM_OF_CPUS,
     ENV_NUM_OF_GPUS,
@@ -35,6 +36,10 @@ def __init__(self, deployable: Deployment) -> None:
         if num_of_cpus is not None and num_of_cpus != "":
             self._update_num_cpus(float(num_of_cpus))
 
+        is_test_model = os.getenv(ENV_IS_TEST_MODEL)
+        if is_test_model is not None and is_test_model.lower() == "true":
+            self._update_num_cpus(float(0.001))
+
         memory = os.getenv(ENV_MEMORY)
         if memory is not None and memory != "":
             self._update_memory(float(memory))