Nanbeige4.3-33B

Apache 2.0 model for agentic coding and cowork tasks, with a 512K context.

Also known as Nanbeige4.3-33B, Nanbeige 4.3

What it does

Nanbeige4.3-33B is a model from the Nanbeige team, published on Hugging Face. The model record lists 33,118,977,024 parameters in BF16. The model card calls it the flagship teacher model for the Nanbeige4.3 series and says it is built for complex coding and professional cowork tasks. It lists English and Chinese, a context window of up to 524,288 tokens, and recipes for Transformers, SGLang, and vLLM. The card says it leads on most benchmarks in a comparison with Qwen3.8-27B, Muse-Glimmer-30B, and Gemma4-31B. Weights are Apache 2.0. A base checkpoint, Nanbeige4.3-33B-Base, is published for custom post-training. The card does not list a hosted price.

Who is Nanbeige4.3-33B for?

Developers who want an open-weight model for coding agents and tool use on their own hardware.

Tags

• open-weight
• coding
• agents