Qwen3.5-Flash pricing and routing profile
Qwen3.5-Flash from Qwen (Alibaba) lists at $0.065 per million input tokens and $0.26 per million output tokens, with a 1,000,000-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning control
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.0416 |
| Chat reply (2,000 in, 400 out) | $0.234 |
| Retrieval-augmented answer (8,000 in, 500 out) | $0.65 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Not as a first-answer model through OpenRouter: no host returns token log probabilities for Qwen3.5-Flash. It can still be the model Gimbix falls back to when a cheaper model is unsure.
Cheaper models that can answer first
Models priced below Qwen3.5-Flash 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 |
|---|---|---|
| Granite 4.2 8B | $0.06 / $0.25 | 6% |
| Nemotron 3 Nano 30B A3B | $0.05 / $0.20 | 23% |
| Llama 3.1 8B Instruct | $0.05 / $0.08 | 44% |
| Qwen3.7 Flash | $0.03 / $0.13 | 52% |
| Granite 4.0 Micro | $0.017 / $0.112 | 66% |
| gpt-oss-20b | $0.018 / $0.09 | 69% |
Questions
How much does Qwen3.5-Flash cost?
Qwen3.5-Flash lists at $0.065 per million input tokens and $0.26 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 $0.234 per 1,000 requests.
What is the context window of Qwen3.5-Flash?
1,000,000 tokens.
Can a cheaper model replace Qwen3.5-Flash?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Qwen3.5-Flash on one half of your requests and make at most three answers worse on the other.