Nanbeige releases Nanbeige4.3-33B, scoring 20 on the Artificial Analysis Intelligence Index

Nanbeige has released Nanbeige4.3-33B, an open-weights dense reasoning model under Apache 2.0 that scores 20 on the Artificial Analysis Intelligence Index v5, matching Qwen3.8 27B (xhigh) at 20. The 33B model has a 524K-token context window, text-only input and output, and no confirmed public APIs, and it scores 30% on Terminal-Bench 4.0 versus 6% for Qwen3.8 27B while trailing on HLE-Diamond (7% vs. 15%). On AA-Omniscience v1.1 it records an 18% hallucination rate versus 29% for Qwen3.8 27B, with a 71% decline rate, and it uses 158K output tokens per Intelligence Index task versus 110K for Qwen3.8 27B.