LM Studio 0.3.29

0.3.29 - Release Notes

Build 1

• New OpenAI compatibility endpoint: /v1/responses
  • Create stateful interactions by passing the id of a previous responses as input to the next - no need to manage message history yourself
  • Custom tool calling support
  • Supports reasoning parsing, setting reasoning effort ("low"|"medium"|"high") for models like gpt-oss
  • Synchronous and streaming (stream=true)
  • See https://lmstudio.ai/docs/app/api/endpoints/openai for more details
• New lms ls command option: lms ls --variants to list all variants for multi-variant models