Qwen 3.5 Plus is now available on AI Gateway. The model comes with a 1M context window and built-in adaptive tool use. Qwen 3.5 Plus excels at agentic workflows, thinking, searching, and using tools across multimodal contexts, making it well-suited for web development, frontend tasks, and turning instructions into working code. Compared to Qwen 3 VL, it delivers stronger performance in scientific problem solving and visual reasoning tasks. To use this model, set model to in the AI SDK:alibaba/qwen3.5-plus AI Gateway provides a unified API for calling models, tracking usage and cost, and configuring retries, failover, and performance optimizations for higher-than-provider uptime.

It includes built-in , support, and intelligent provider routing with automatic retries.observabilityBring Your Own Key Learn more about , view the or try it in our .AI GatewayAI Gateway model leaderboardmodel playground Read more