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 • 83
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 105 • 3
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 81 • 3
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 44 • 2
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 66
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 7.03k
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 2.74k • 9
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 79 • 4
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 188 • 3
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 55 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 14.7k • 217
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 154 • 8
JetBrains/Mellum2-12B-A2.5B-Base
Text Generation • 12B • Updated • 2.51k • 14
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 110 • 7
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 320 • 18
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 1.71k • 50
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 60 • 4
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 19 • • 10
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 214 • 7
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 1.14k • • 9
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 26 • 15
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 95 • 5
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 65 • 5
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 20 • • 21
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 217 • • 56
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 142 • 44
JetBrains/Mellum-4b-base-gguf
4B • Updated • 401 • 41
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 3.28k • • 447
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 11 • 4
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 18 • 9