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-Instruct-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 397 • 4
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 911 • 7
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 360 • 4
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 405 • 6
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 270 • 1
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 7.6k • 6
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 10.1k • 20
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 663 • 6
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 2.32k • 15
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 313 • 4
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 18.3k • 281
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 252 • 9
JetBrains/Mellum2-12B-A2.5B-Base
Text Generation • 12B • Updated • 5.26k • 17
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 177 • 11
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 533 • 22
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 2.33k • 64
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 64 • 6
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 17 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 177 • 9
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 1.09k • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 26 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 64 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 73 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 12 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 189 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 123 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 375 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 2.56k • • 449
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 8 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 11 • 10