JetBrains

company

Verified

https://www.jetbrains.com/

AI & ML interests

Reliable and context-aware coding assistance

Recent Activity

Vasiliy-Chubak published a dataset about 22 hours ago

JetBrains/nessie-set

mvakhrushev updated a dataset about 23 hours ago

JetBrains/nessie-set

bzz2 published a dataset 3 days ago

JetBrains/LibEvoBench

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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

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Articles

Introducing Mellum2: A 12B Mixture-of-Experts Model by JetBrains

JetBrains 's models 43

JetBrains/Qwen3.8-3.6-27B-blend-GGUF

Image-Text-to-Text • 27B • Updated 3 days ago • 16.6k • 43

JetBrains/Mellum2.1-12B-A2.5B-Thinking-MTP

Text Generation • 12B • Updated 6 days ago • 484 • 16

JetBrains/Qwen3.8-3.6-27B-blend-DFlash2

Text Generation • 2B • Updated 9 days ago • 145 • 2

JetBrains/Qwen3.6-27B-DFlash2

Text Generation • 2B • Updated 10 days ago • 96 • 1

JetBrains/Qwen3.8-3.6-27B-blend

Image-Text-to-Text • 28B • Updated 10 days ago • 1.07k • 42

JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF

Text Generation • 12B • Updated 14 days ago • 432k • 168

JetBrains/Mellum2.1-12B-A2.5B-Thinking

Text Generation • 12B • Updated 29 days ago • 10.8k • 191

JetBrains/Qwen3.8-3.6-27B-blend-DFlash2-MLX-4bit

Text Generation • 2B • Updated Oct 5 • 95

JetBrains/Qwen3.8-3.6-27B-blend-MTP-MLX-4bit

0.4B • Updated Sep 21 • 699 • 9

JetBrains/Qwen3.8-3.6-27B-blend-MLX-4bit

Image-Text-to-Text • 27B • Updated Sep 21 • 973 • 11

JetBrains/Mellum2-12B-A2.5B-Base-Pretrain

Text Generation • 12B • Updated Aug 31 • 367 • 14

JetBrains/Mellum2-12B-A2.5B-Thinking-SFT

Text Generation • 12B • Updated Aug 13 • 4.37k • 25

JetBrains/Mellum2-12B-A2.5B-Instruct-SFT

Text Generation • 12B • Updated Aug 13 • 380 • 15

JetBrains/Mellum2-12B-A2.5B-Thinking

Text Generation • 12B • Updated Aug 13 • 3.71k • 348

JetBrains/Mellum2-12B-A2.5B-Instruct

Text Generation • 12B • Updated Aug 13 • 5.02k • 91

JetBrains/Mellum2-12B-A2.5B-Base

Text Generation • 12B • Updated Jun 12 • 6.3k • 31

JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-MXFP4_MOE

Text Generation • 12B • Updated Jun 4 • 227 • 10

JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q4_K_M

Text Generation • 12B • Updated Jun 4 • 87.7k • 20

JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q6_K

Text Generation • 12B • Updated Jun 4 • 155 • 9

JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-Q8_0

Text Generation • 12B • Updated Jun 4 • 138k • 9

JetBrains/Mellum2-12B-A2.5B-Instruct-GGUF-BF16

Text Generation • 12B • Updated Jun 4 • 81 • 2

JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-MXFP4_MOE

Text Generation • 12B • Updated Jun 4 • 895 • 13

JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q4_K_M

Text Generation • 12B • Updated Jun 4 • 1.46k • 51

JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q6_K

Text Generation • 12B • Updated Jun 4 • 144 • 14

JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-Q8_0

Text Generation • 12B • Updated Jun 4 • 593 • 23

JetBrains/Mellum2-12B-A2.5B-Thinking-GGUF-BF16

Text Generation • 12B • Updated Jun 4 • 92 • 6

JetBrains/Mellum-4b-dpo-python-gguf

4B • Updated Oct 1, 2025 • 56 • 6

JetBrains/Mellum-4b-dpo-python

Text Generation • 187k • Updated Oct 1, 2025 • 92 • 10

JetBrains/Mellum-4b-dpo-all-gguf

4B • Updated Oct 1, 2025 • 110 • 12

JetBrains/Mellum-4b-dpo-all

Text Generation • 187k • Updated Oct 1, 2025 • 122 • 13