LM Studio 0.4.26

October 8, 2026·Build 4

0.4.26 - Release Notes

Build 4

  • Support for /v1/systemone Jev (TypeSafe AI) compatible endpoint
  • Support for /v1/decisions OpenAI compatible endpoint

Build 3

  • Coexistence with Bionic — Run both apps together; Bionic uses LM Studio for local model inference while LM Studio is running. Requires Bionic 1.1.8 and newer.
  • Added CUDA 13 support on Windows ARM.
  • UI polish

Build 2

  • Updated the llama.cpp runtime to 2.50.0 (upstream b11337).

Build 1

  • Bug fixes and security hardening.