Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains
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AI & ML interests
Reliable and context-aware coding assistance
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Papers
Mellum2 Technical Report
The Best of N Worlds: Aligning Reinforcement Learning with Best-of-N Sampling via max@k Optimisation
Articles
JetBrains/Mellum2-12B-A2.5B-Base
Text Generation • 12B • Updated • 14k • 21
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 374 • 14
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 810 • 24
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 5.65k • 73
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 25.1k • 299
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 391 • 11
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 823 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 3.13k • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 813 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 881 • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 368 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 9.35k • 10
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 17.4k • 29
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 1.49k • 9
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 3.9k • 18
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 816 • 5
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 87 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 27 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 241 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 115 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 30 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 110 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 91 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 23 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 242 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 151 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 241 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 2.44k • • 451
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 19 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 21 • 10