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Qwen3.5-9B

Hugging Face (open weights) Open weights

The catch: Dates from February 2026 (no Qwen3.6 or 3.8 model at this size yet), and the card advises at least 128K tokens of context to keep thinking quality.

AccessOpen weights
Free limitsFree to download and self-host; you pay only for your own compute. 9B dense, natively multimodal (image and video input); 262,144-token native context. Apache 2.0, no user or revenue cap. Fits a single consumer GPU.
Modalitytext, code, image, video
Credit cardNot required
Commercial useAllowed
Trains on your data–
Licence or termsApache-2.0
Context window262,144 tokens
Model idQwen/Qwen3.5-9B
Base URL–
Last checked8 Oct 2026

How to use Qwen3.5-9B

Download the weights and serve them yourself; the quickstart below shows one way. Licence: Apache-2.0.

Quickstart
vllm serve Qwen/Qwen3.5-9B  # then: curl http://localhost:8000/v1/chat/completions -H "Content-Type: application/json" -d '{"model":"Qwen/Qwen3.5-9B","messages":[{"role":"user","content":"Hello"}]}'
Paste into Claude Code
I want to run the open-weight model "Qwen3.5-9B" (Qwen/Qwen3.5-9B) for my project.
Please:
1. Check the model card and tell me the hardware it needs and the simplest way to serve it (vLLM, SGLang, Ollama or a hosted endpoint).
2. Give me a minimal working setup and a test request.
3. Tell me the licence terms for commercial use.
4. If a cheaper or smaller variant would do the job, mention it.

Before you ship on it

  • Dates from February 2026 (no Qwen3.6 or 3.8 model at this size yet), and the card advises at least 128K tokens of context to keep thinking quality.
  • Apache-2.0 (licence tag and LICENSE on the HF repo): use, modify, distribute and sell, including commercially; keep the licence and notices when you redistribute.
  • Free to run means you pay for the GPUs, the serving stack and the on-call.

Questions

Is Qwen3.5-9B free?

Yes. Open weights offers it as open weights, with these limits: Self-host free · Apache-2.0. No credit card is needed.

Can I use Qwen3.5-9B commercially?

Yes, under Apache-2.0. Check the current terms before you ship.

How do I start with Qwen3.5-9B?

Download the weights and serve them yourself; the quickstart below shows one way. Licence: Apache-2.0.

Source: huggingface.co/Qwen/Qwen3.5-9B, checked 8 Oct 2026.