Nanbeige4
Nanbeige LLM LabChina
2 models2025–2026Up to 256K ctx
About
Nanbeige4 is the fourth-generation model series from Nanbeige LLM Lab (BOSS Zhipin / Kanzhun Limited). Characterized by strong reasoning at small scale: 3B parameters pre-trained on 23 trillion tokens (Nanbeige4-3B), and the enhanced Nanbeige4.1-3B with 256K context and agentic capabilities. Both models are open-source and available on HuggingFace.
Specifications(2 models)
| Model | Released | Context | Parameters | Reasoning | Fn Calling | Tool Use |
|---|---|---|---|---|---|---|
| Nanbeige4.1-3B | 2026-02 | 256K | 4B | Yes | Yes | Yes |
| Nanbeige4-3B | 2025-12 | 64K | 3B | Yes | No | No |
Frequently Asked Questions
- What is Nanbeige4?
- Nanbeige4 is the fourth-generation model series from Nanbeige LLM Lab (BOSS Zhipin / Kanzhun Limited). Characterized by strong reasoning at small scale: 3B parameters pre-trained on 23 trillion tokens (Nanbeige4-3B), and the enhanced Nanbeige4.1-3B with 256K context and agentic capabilities. Both models are open-source and available on HuggingFace.
- How many models are in the Nanbeige4 family?
- The Nanbeige4 family contains 2 models.
- What is the latest Nanbeige4 model?
- The latest model is Nanbeige4.1-3B, released in 2026-02.