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 • 14.5k • 21
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 381 • 14
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 821 • 24
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 6.12k • 73
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 25.6k • 300
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 398 • 11
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 852 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 3.21k • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 836 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 895 • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 375 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 9.42k • 10
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 17.6k • 30
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 1.54k • 10
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 3.97k • 18
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 842 • 5
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 90 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 32 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 230 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 101 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 30 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 128 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 93 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 27 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 261 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 154 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 237 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 2.4k • • 451
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 18 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 20 • 10