Nanbeige Releases Open 33B Model for Agentic Coding

Oct 25, 2026
Nanbeige released Nanbeige4.3-33B, an Apache 2.0 open-weight model it says leads most agentic coding tests in the 30B class.

Chinese AI lab Nanbeige released Nanbeige4.3-33B, an open-weight model for agentic coding and work tasks, under the Apache 2.0 license, as detailed on its Hugging Face page. It supports a context window of up to 524,288 tokens and will serve as a teacher for distilling agent skills into smaller models, including a planned 3B version.

In Nanbeige's own tests against Qwen3.8-27B, Muse-Glimmer-30B and Gemma4-31B, the model led on Terminal-Bench 2.1 with 80.9 and DeepSWE with 65.5, but trailed Qwen3.8-27B on SWE-Bench Pro, 60.3 to 61.7.

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