Model Card: Nanbeige4.3-33B
Nanbeige4.3-33B: a 33.1B dense model open-sourced by Nanbeige, the AI team under Kanzhun (parent company of Chinese job app BOSS直聘), with a 524,288-token (512K) context window under Apache 2.0. It scores 80.9 on Terminal-Bench 2.1 (vs. Qwen3.8-27B's 73.0), 65.5 on DeepSWE (vs. 42.5), and 44.8 on JobBench (vs. 34.5), but trails Qwen3.8-27B on SWE-Bench Pro (60.3 vs. 61.7) and Gemma4-31B on GPQA Diamond (89.5 vs. 91.3). There's no official API pricing — it's open weights only. Nanbeige positions it as the flagship teacher model for the Nanbeige4.3 series, meant to distill smaller models such as Nanbeige4.3-3B down the line.