JetBrains
ModelsModels from this lab.2
RankedModels with an index.0
Top modelModel with the highest index.N/A
LatestRelease of the newest model.28 May 2026Mellum2-12B-A2.5B-Instruct
Best by category
Out of 100AgenticMulti-step tasks with tools.Mellum2-12B-A2.5B-Thinking29.4
CodingCode writing and repair.Mellum2-12B-A2.5B-Thinking39.4
ReasoningLogic problems and puzzles.—N/A
MultimodalTasks with images and text.—N/A
KnowledgeFacts and expert knowledge.Mellum2-12B-A2.5B-Thinking34.7
MultilingualTasks in many languages.Mellum2-12B-A2.5B-Instruct40.2
InstructionTasks with strict rules in the prompt.Mellum2-12B-A2.5B-Thinking15.1
MathMath problems.—N/A