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 • 22.8k • 21
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 283 • 14
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 426 • 25
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 6.98k • 81
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 12.9k • 317
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 248 • 11
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 734 • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 3.83k • 8
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 900 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 877 • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 278 • 2
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 2.6k • 10
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 11.4k • 31
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 2.19k • 11
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 3.9k • 18
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 815 • 6
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 67 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 24 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 174 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 340 • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 208 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 192 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 110 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 29 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 186 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 117 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 258 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 1.7k • • 450
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 13 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 18 • 10