Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains
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AI & ML interests
Reliable and context-aware coding assistance
Recent Activity
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 • 21.5k • 22
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 179 • 14
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 268 • 25
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 5.98k • 82
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 8.49k • 318
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 169 • 11
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 451 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 2.92k • 8
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 555 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 2.29k • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 113 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 1.58k • 10
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 7.77k • 33
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 1.73k • 11
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 1.65k • 18
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 463 • 6
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 58 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 29 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 165 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 346 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 219 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 207 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 81 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 37 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 145 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 129 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 245 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 1.51k • • 450
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 18 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 18 • 10