Qwen3.5 Plus

Qwen3.5-Plus is the higher-capability tier in Alibaba's Qwen3.5 series, a natively multimodal LLM line built around an efficient hybrid architecture fusing linear attention with sparse mixture-of-experts. The family handles text, images and video natively in a single forward pass, and Plus is tuned for maximum accuracy and deeper reasoning on complex tasks. Reporting indicates the Qwen3.5 tier shares a 1M-token context window and multimodal inputs across variants. Ideal for demanding reasoning, visual analysis and mixed document, screenshot and code workflows.

curl https://api.tunerouter.com/v1/chat/completions \
  -H "Authorization: Bearer $TUNEROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen3.5-plus", "messages": [{"role": "user", "content": "Hello!"}]}'

Model ID: qwen3.5-plus · works with OpenAI SDKs — just point base_url at api.tunerouter.com