Mellum2.1-12B-A2.5B-Thinking
by JetBrains (organization)
Model facts
- Hub id
- JetBrains/Mellum2.1-12B-A2.5B-Thinking
- Likes
- 173
- Downloads (last 30 days)
- 4,901
- Task
- Text generation
- Library
- transformers
- Parameters
- 12.1B (12,149,923,072)
- License
- Apache 2.0 (apache-2.0)
- Access
- Open download
- Author
- JetBrains · Organization
- Languages
- en
- Created
- Sep 20, 2026
- Last modified
- Oct 7, 2026
Base model
- Fine-tuned from JetBrains/Mellum2-12B-A2.5B-Base (external site: huggingface.co)
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Markdown (for a README)
[](https://unitedstatesofamericasuperintelligence.com/huggingface/jetbrains--mellum2-1-12b-a2-5b-thinking/)
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Listed models built on this one
Quantized versions, fine-tunes, adapters, and merges whose Hub base-model tags name this model.
Rank 3,213: JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF
Quantized version of JetBrains/Mellum2.1-12B-A2.5B-Thinking
136 likes166,804 downloads in the last 30 daysText generationApache 2.0
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346 likes3,103 downloads in the last 30 daysText generation12.1B parametersApache 2.0
Rank 3,213: JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF
Quantized version of JetBrains/Mellum2.1-12B-A2.5B-Thinking
136 likes166,804 downloads in the last 30 daysText generationApache 2.0