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 • 7.92k • 20
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 218 • 14
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 416 • 24
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 2.34k • 70
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 8.38k • 294
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 210 • 11
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 467 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 2.27k • 8
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 429 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 528 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 218 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 1.79k • 9
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 12.3k • 25
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 865 • 8
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 2.81k • 17
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 509 • 5
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 49 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 12 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 164 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 81 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 18 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 74 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 54 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 14 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 167 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 67 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 183 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 2.31k • • 451
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 15 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 17 • 10