MediumCapability
LM Studio 0.3.39: Open Responses API Support Added
Action Required
Users of LM Studio can now utilize a more powerful and flexible API for interacting with LLMs, unlocking new features and improving the performance of their applications.
AI Impact Summary
LM Studio has released version 0.3.39, introducing support for the Open Responses API specification. This is a significant capability update, enabling users to leverage the benefits of Open Responses, including logprobs for generated tokens, candidate tokens, rich stats about cached and generated tokens, and the ability to include remote image URLs in their requests. This allows for more detailed analysis of model outputs and improved agentic workflows, particularly for applications utilizing vision-enabled models.
LM Studio 0.3.39: Open Responses API Support Added
Affected Systems
LM Studio
- Date
- 15 Jan 2026
- Change type
- capability
- Severity
- medium