What happens after await: does the code execute in the same thread or in a different one?

After the await operator in asynchronous code, the execution of the function is paused until the awaited task completes. When the task finishes, execution resumes, but not necessarily in the same thread where it started. In most languages supporting async/await (e.g., C#, JavaScript), the continuation after await can run in another thread or context, depending on the implementation and runtime environment.

For example, in C#, by default, after await, the code continues in the same synchronization context (such as the UI thread), if it was there, but this behavior can be changed. In JavaScript, with its single-threaded event loop, the code after await continues in the main thread, but only after the asynchronous operation completes.

Thus, await does not guarantee execution in the same thread; it merely pauses execution until the result is available, and the continuation can occur in the same or a different thread depending on the platform.