LM Studio 0.3.22

0.3.22 - Release Notes

New in LM Studio 0.3.22:

• 🎉 Support for OpenAI's gpt-oss models!
• We partnered with OpenAI to bring their open-source models to LM Studio on launch day.
• There are 2 models: gpt-oss-20b and gpt-oss-120b.
• Learn more: https://lmstudio.ai/blog/gpt-oss

Build 2

• Added support for more gpt-oss tool call edge cases
• Fix bugs related to OpenAI Harmony library integration

Build 1

• [gpt-oss] Bundle OpenAI/Harmony parsing framework on all platforms
• [gpt-oss] More forgiving parsing of tool calls in chat
• [gpt-oss] [OpenAI-compat API] Remove structural tokens (<|channel|>, <|end|>, etc...) from v1/chat/completions output
  • Should address issues seen with tools such as OpenCode