diff --git a/.changeset/add-run-strict-flag.md b/.changeset/add-run-strict-flag.md
new file mode 100644
index 000000000..14784b77e
--- /dev/null
+++ b/.changeset/add-run-strict-flag.md
@@ -0,0 +1,4 @@
+---
+"lingo.dev": minor
+---
+Add `--strict` mode to stop on the first error.
diff --git a/packages/cli/src/cli/cmd/run/execute.ts b/packages/cli/src/cli/cmd/run/execute.ts
index 16c63de22..65db722e4 100644
--- a/packages/cli/src/cli/cmd/run/execute.ts
+++ b/packages/cli/src/cli/cmd/run/execute.ts
@@ -77,7 +77,7 @@ export default async function execute(input: CmdRunContext) {
 
           return task.newListr(workerTasks, {
             concurrent: true,
-            exitOnError: false,
+            exitOnError: !!ctx.flags.strict,
             rendererOptions: {
               ...commonTaskRendererOptions,
               collapseSubtasks: true,
@@ -87,7 +87,7 @@ export default async function execute(input: CmdRunContext) {
       },
     ],
     {
-      exitOnError: false,
+      exitOnError: !!input.flags.strict,
       rendererOptions: commonTaskRendererOptions,
     },
   ).run(input);
@@ -296,6 +296,9 @@ function createWorkerTask(args: {
               targetLocale: assignedTask.targetLocale,
             } satisfies CmdRunTaskResult;
           } catch (error) {
+            if (args.ctx.flags.strict) {
+              throw error;
+            }
             return {
               status: "error",
               error: error as Error,
diff --git a/packages/cli/src/cli/cmd/run/index.ts b/packages/cli/src/cli/cmd/run/index.ts
index 8d8d80c17..10720ba63 100644
--- a/packages/cli/src/cli/cmd/run/index.ts
+++ b/packages/cli/src/cli/cmd/run/index.ts
@@ -112,6 +112,10 @@ export default new Command()
     "--sound",
     "Play audio feedback when translations complete (success or failure sounds)",
   )
+  .option(
+    "--strict",
+    "Stop immediately on first error instead of continuing to process remaining buckets and locales (fail-fast mode)",
+  )
   .action(async (args) => {
     let authId: string | null = null;
     try {