[API pricing for Qwen3.5-Plus is 0.8 yuan per million tokens] Jinshi Data reported on February 16 that on Chinese New Year's Eve, Alibaba open-sourced its large model Qwen3.5-Plus, achieving a groundbreaking innovation in the underlying model architecture. It is understood that the newly released Qwen3.5-Plus version has a total of 397 billion parameters, with 17 billion activated, outperforming the Qwen3-Max model with over a trillion parameters in performance. Memory usage for deployment has been reduced by 60%, and maximum inference throughput can be increased up to 19 times. Additionally, the API pricing for Qwen3.5-Plus is 0.8 yuan per million tokens. Reportedly, the Qwen app and PC platform have already integrated the Qwen3.5-Plus model at the earliest opportunity.