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-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 3
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 1
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 12.2k • 199
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 92 • 8
JetBrains/Mellum2-12B-A2.5B-Base
Text Generation • 12B • Updated • 1.51k • 14
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 81 • 7
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 246 • 17
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 1.42k • 48
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 58 • 4
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 18 • • 10
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 213 • 7
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 1.16k • • 9
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 23 • 15
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 102 • 5
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 63 • 5
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 20 • • 21
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 210 • • 56
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 146 • 44
JetBrains/Mellum-4b-base-gguf
4B • Updated • 397 • 41
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 3.37k • • 446
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 10 • 4
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 17 • 9