Hey, this is a known issue. Auto mode goes through extra server-side routing steps that don’t happen when you pick a model manually. Right now the router sometimes sends the request to a higher-latency provider, so Auto can feel noticeably slower.
The team is aware. For now, the workaround is what you already found, pick a model manually instead of Auto.
If you want to help us debug your specific case, send a Request ID from one of the slow Auto requests (top right in the chat > Copy Request ID).
Also, I noticed you have a duplicate of this post here: Composer 2 Performance Slow Down. I’ll merge them into one thread.
Let me know if you have any questions.