diff --git a/nebius/ai/v1/endpoint.proto b/nebius/ai/v1/endpoint.proto
index e82a1e3..3a3d412 100644
--- a/nebius/ai/v1/endpoint.proto
+++ b/nebius/ai/v1/endpoint.proto
@@ -78,6 +78,10 @@ message EndpointSpec {
   // Public keys to be authorized for SSH access to the job.
   repeated string ssh_authorized_keys = 26;
 
+  // Whether to use a preemptible VM for the endpoint.
+  // Preemptible VMs are cheaper but can be stopped by the platform at any time.
+  bool preemptible = 27;
+
   // Authentication token needed to access the endpoint.
   //
   // Authentication can only be enabled if the endpoint exposes one and only one HTTP port.
diff --git a/nebius/ai/v1/job.proto b/nebius/ai/v1/job.proto
index 86b3a9b..249237a 100644
--- a/nebius/ai/v1/job.proto
+++ b/nebius/ai/v1/job.proto
@@ -79,6 +79,10 @@ message JobSpec {
   // Public keys to be authorized for SSH access to the job.
   repeated string ssh_authorized_keys = 26;
 
+  // Whether to use a preemptible VM for the job.
+  // Preemptible VMs are cheaper but can be stopped by the platform at any time.
+  bool preemptible = 27;
+
   // Restart attempts for the job.
   int64 restart_attempts = 30 [(buf.validate.field) = {
     int64: {gte: -1}