# Qwen3.5-27B

> Qwen3.5-27B is Alibaba's largest dense Qwen3.5 model, delivering near-frontier quality across reasoning, coding, and instruction following. Features a 262K token context window (extensible to 1M), thinking/reasoning mode, tool calling, multi-token prediction, and support for 201 languages. Best suited for production deployments and complex enterprise tasks requiring top-tier performance.

**ID**: `qwen/qwen3.5-27b`  
**Creator**: Qwen  
**Category**: text  
**Context**: 262K tokens  
**Pricing**: $0.20 / $1.56 per 1M · billed by your provider (BYOK)  
**Released**: 2026-07-08  
**Web page**: https://anyrouter.dev/model/qwen/qwen3.5-27b

**Input modalities**: text  
**Output modalities**: text  

**Tokenizer**: Qwen

**Capabilities**: chat, streaming, function-calling, reasoning

## Usage

**Endpoint**: `POST https://anyrouter.dev/api/v1/chat/completions`

```bash
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "qwen/qwen3.5-27b",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| deepinfra-byok | $0.26/M (list) | $2.60/M (list) |
| siliconflow-byok | $0.26/M (list) | $2.60/M (list) |
| qwencloud-byok | $0.26/M (list) | $2.60/M (list) |
| openrouter-byok | $0.20/M (list) | $1.56/M (list) |
| mulerouter-byok | $0.26/M (list) | $2.60/M (list) |

BYOK routes are billed by your own provider key — AnyRouter charges $0. Rates marked (list) are the provider's published list price.

## Source

- Upstream docs: https://docs.siliconflow.com