Qwen3.5-9B pricing and routing profile
Qwen3.5-9B from Qwen (Alibaba) lists at $0.10 per million input tokens and $0.15 per million output tokens, with a 262,144-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning controlLog probabilities
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.0615 |
| Chat reply (2,000 in, 400 out) | $0.26 |
| Retrieval-augmented answer (8,000 in, 500 out) | $0.875 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Yes. At least one host return token log probabilities for Qwen3.5-9B, which is the confidence signal Gimbix uses to let a cheaper model answer first.
Cheaper models that can answer first
Models priced below Qwen3.5-9B that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Llama 3.1 8B Instruct | $0.05 / $0.08 | 49% |
| Qwen3.7 Flash | $0.03 / $0.13 | 57% |
| Granite 4.0 Micro | $0.017 / $0.112 | 70% |
| gpt-oss-20b | $0.018 / $0.09 | 72% |
| Ling 3.0 Flash | $0.021 / $0.063 | 74% |
| Ling 3.0 Flash VL | $0.021 / $0.0616 | 74% |
Questions
How much does Qwen3.5-9B cost?
Qwen3.5-9B lists at $0.10 per million input tokens and $0.15 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.26 per 1,000 requests.
What is the context window of Qwen3.5-9B?
262,144 tokens.
Can a cheaper model replace Qwen3.5-9B?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Qwen3.5-9B on one half of your requests and make at most three answers worse on the other.