# DeepSeek-V4-Flash

> Fast and cheap DeepSeek-V4 MoE variant via SiliconFlow free tier for high-throughput chat and coding.

**ID**: `deepseek/deepseek-v4-flash`  
**Creator**: DeepSeek  
**Category**: text  
**Context**: 128K tokens  
**Input**: $0.04/M  
**Output**: $0.08/M  
**Released**: 2026-07-08  
**Web page**: https://anyrouter.dev/model/deepseek/deepseek-v4-flash

**Input modalities**: text, image  
**Output modalities**: text  

**Capabilities**: chat, streaming, function-calling, coding, reasoning, vision, agentic

**Aliases**: `deepseek-ai/DeepSeek-V4-Flash`, `deepseek/deepseek-v4-flash-0731-fast`, `deepseek/deepseek-v4-flash-vision-exp`

## 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": "deepseek/deepseek-v4-flash",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'
```

## Providers

| Provider | Input | Output |
| --- | --- | --- |
| freebuff | $0 | $0 |
| freebuff-byok | $0 | $0 |
| deepseek-byok | $0 | $0 |
| novita-byok | $0 | $0 |
| siliconflow-byok | $0 | $0 |
| opencode-zen-byok | $0 | $0 |
| opencode-go-byok | $0 | $0 |
| openrouter-byok | $0 | $0 |
| commandcode-byok | $0 | $0 |
| experiential-byok | $0 | $0 |
| aihubmix-byok | $0 | $0 |
| router-byok | $0 | $0 |
| vercel-byok | $0 | $0 |

## Benchmarks

- **GPQA Diamond**: 0.7
- **HLE**: 0.1
- **τ²-Bench Telecom**: 0.9
- **SciCode**: 0.4

## Source

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