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 • 263 • 3
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M
Text Generation • 12B • Updated • 468 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K
Text Generation • 12B • Updated • 242 • 4
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0
Text Generation • 12B • Updated • 261 • 5
JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16
Text Generation • 12B • Updated • 138 • 1
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE
Text Generation • 12B • Updated • 7.3k • 3
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M
Text Generation • 12B • Updated • 8.6k • 13
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K
Text Generation • 12B • Updated • 444 • 5
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0
Text Generation • 12B • Updated • 899 • 9
JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16
Text Generation • 12B • Updated • 220 • 3
JetBrains/Mellum2-12B-A2.5B-Thinking
Text Generation • 12B • Updated • 16.9k • 244
JetBrains/Mellum2-12B-A2.5B-Base-Pretrain
Text Generation • 12B • Updated • 209 • 9
JetBrains/Mellum2-12B-A2.5B-Base
Text Generation • 12B • Updated • 3.93k • 16
JetBrains/Mellum2-12B-A2.5B-Instruct-SFT
Text Generation • 12B • Updated • 131 • 9
JetBrains/Mellum2-12B-A2.5B-Thinking-SFT
Text Generation • 12B • Updated • 465 • 19
JetBrains/Mellum2-12B-A2.5B-Instruct
Text Generation • 12B • Updated • 2.01k • 54
JetBrains/Mellum-4b-dpo-python-gguf
4B • Updated • 72 • 5
JetBrains/Mellum-4b-dpo-python
Text Generation • 187k • Updated • 17 • • 11
JetBrains/Mellum-4b-dpo-all-gguf
4B • Updated • 213 • 8
JetBrains/Mellum-4b-dpo-all
Text Generation • 187k • Updated • 1.14k • • 10
JetBrains/Mellum-4b-sft-all
Text Generation • 4B • Updated • 27 • 16
JetBrains/Mellum-4b-sft-all-gguf
4B • Updated • 89 • 6
JetBrains/Mellum-4b-sft-kotlin-gguf
4B • Updated • 63 • 6
JetBrains/Mellum-4b-sft-kotlin
Text Generation • 4B • Updated • 16 • • 22
JetBrains/Mellum-4b-sft-python
Text Generation • 4B • Updated • 239 • • 57
JetBrains/Mellum-4b-sft-python-gguf
4B • Updated • 140 • 45
JetBrains/Mellum-4b-base-gguf
4B • Updated • 416 • 42
JetBrains/Mellum-4b-base
Text Generation • 4B • Updated • 3.13k • • 448
JetBrains/CodeLlama-7B-KStack-clean
Text Generation • 7B • Updated • 10 • 5
JetBrains/CodeLlama-7B-KStack
Text Generation • 7B • Updated • 15 • 10