Release Summary
JetBrains' first focal model: a 4B-parameter LLM trained from scratch for multilingual cloud code completion in JetBrains IDEs, with deep IDE integration for project-aware suggestions.
Timeline
April 30, 2025
Mellum open-sourced
JetBrains releases Mellum base weights on Hugging Face under Apache 2.0 for researchers and advanced teams.
October 22, 2024
Mellum announced
JetBrains introduces Mellum as the proprietary model powering cloud code completion in JetBrains AI Assistant.