Qwen 3.5 Plus
Qwen 3.5 Plus — Alibaba's native vision-language Plus model featuring a hybrid architecture that fuses linear attention with sparse Mixture-of-Experts, delivering superior inference efficiency. Supports multimodal inputs including text, images, and video with advanced visual understanding and deep reasoning. Demonstrates a significant performance leap over Qwen 3 in both pure-text and multimodal tasks, matching current frontier models. Built-in support for function calling, structured output, web search, prefix completion, and prompt caching.
Request example
Every paid call needs a unique Idempotency-Key. The same key and payload replay the original result without a second charge.
curl https://router.tycoon.cool/v1/run \
+ -H "Authorization: Bearer $TYCOONROUTER_API_KEY" \
+ -H "Content-Type: application/json" \
+ -H "Idempotency-Key: $(uuidgen)" \
+ -d '{"model":"qwen/qwen3.5-plus","inputs":{"messages":[{"role":"user","content":"Hello"}]}}'Response contract
Synchronous routes return the provider result with TycoonRouter request metadata. Async routes return a request ID plus status and cancel URLs.
| Header | Purpose |
|---|---|
| x-request-id | Immutable Router request identity |
| x-idempotent-replay | True when the response is a replay |
| x-tycoonrouter-charge-micros | Settled retail charge when available |