Qwen3.5 Plus (2026-02-15)

Qwen3.5 Plus is Alibaba Cloud's hosted, API-accessible flagship in the Qwen3.5 model family, supporting chat, reasoning, coding, multimodal inputs, and agentic tool use with a 1M-token context window. It is the managed production service counterpart to the open-weight Qwen3.5-397B-A17B base model. Source: supabase.