Responses Bug in LM Studio (opens in new tab)

It started, as these things do, with a shortcut I was certain would work. I’ve been building SwiftAgents, my Swift framework for talking to language models, and one of the local providers it supports is LM Studio — the app a lot of us reach for to run models on our own Macs. LM Studio recently grew support for the newer “Responses” API, the OpenAI-style endpoint that can remember a conversation for you. Instead of re-sending the whole chat history on every turn, you send only the new message ...