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license: apache-2.0
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| Attribute                | Details                        |
|---------------------------|--------------------------------|
| **Name**                  | Jeff                           |
| **Text Generation Engine**| B11T 3.5-Plus                  |
| **Neural Architecture**   | FiPhi-NeuralArk-3.9-Ultra      |
| **Total Parameters**      | 1T                             |
| **Tokenizer**             | ACC 10                         |
| **Open Weights**          | False                          |
| **Total Layers**          | 61                             |
| **Vocabulary Size**       | 160k                           |
| **Context Window**        | 256k                           |
| **Inner Thought Thread**  | 5 Self Instances               |
| **Cost**                  | ~$17.22 per one million tokens |
| **Knowledge Cutoff**      | December 2024                  |
| **Release Date**          | 5 February 2026                |