Qwen 3.5 Plus Now Available

Alibaba's Qwen 3.5 Plus model is now accessible through Vercel's AI Gateway, bringing new capabilities for developers building AI-powered applications. The model features:

• 1M context window for handling large amounts of input data
• Adaptive tool use for orchestrating complex workflows
• Multimodal capabilities for processing both text and visual inputs
• Agentic workflows suitable for autonomous agent applications

Key Capabilities and Use Cases

Qwen 3.5 Plus is optimized for several developer-focused scenarios:

• Web development and frontend task automation
• Converting design mockups into production-ready React components
• Scientific problem solving and visual reasoning
• Multi-step workflows requiring tool orchestration

The model delivers stronger performance compared to Qwen 3 VL in scientific problem solving and visual reasoning tasks.

Integration with AI Gateway

To use Qwen 3.5 Plus, developers can access it through Vercel's AI SDK by setting the model parameter to alibaba/qwen3.5-plus. This provides access to AI Gateway's unified interface, which includes built-in observability, usage tracking, cost management, intelligent provider routing, and automatic retry logic.

Developers can explore the model in Vercel's model playground and compare performance across other available models on the AI Gateway leaderboard.