qwen3.5-flash-2026-02-23:free
The Qwen3.5 native vision-language Flash models are built on a hybrid architecture that integrates a linear attention mechanism with a sparse mixture-of-experts model, achieving higher inference efficiency. Compared to the...
Capabilities
Modalities
Quick stats
Performance
Supported parameters
All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.
| Parameter | Providers | Default |
|---|---|---|
| frequency_penalty | Some providers | Not sent by default |
| include_reasoning | All providers | - |
| max_tokens | All providers | - |
| presence_penalty | All providers | - |
| reasoning | All providers | - |
| response_format | All providers | - |
| seed | All providers | - |
| structured_outputs | All providers | - |
| temperature | All providers | Not sent by default |
| tool_choice | All providers | - |
| tools | All providers | - |
| top_p | All providers | Not sent by default |
Pricing
| Input price | $0.00 · 1M tokens |
| Output price | $0.00 · 1M tokens |
| Compatible endpoints | openai |
| Vendor | Alibaba |
Call qwen3.5-flash-2026-02-23:free from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "qwen3.5-flash-2026-02-23:free",
"messages": [{"role": "user", "content": "Hello!"}]
}'Frequently asked questions
How much does qwen3.5-flash-2026-02-23:free cost per 1M tokens?
Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access qwen3.5-flash-2026-02-23:free via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=qwen3.5-flash-2026-02-23:free. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
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Try qwen3.5-flash-2026-02-23:free now
Create an API key and start making requests in under a minute.