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 • 2.91k • 18
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 202 • 13
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 592 • 23
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 990 • 65
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 2.59k • 284
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 264 • 10
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 520 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 1.47k • 8
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 509 • 5
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 • 293 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 7.88k • 8
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 11.4k • 23
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 952 • 8
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 3.11k • 17
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 488 • 5
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 66 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 20 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 192 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 302 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 27 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 63 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 73 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 17 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 203 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 125 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 256 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 2.42k • • 449
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 9 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 13 • 10