# deepseek-v4-flash (0731) — API, Pricing & Context Window | Vivgrid

> Source: https://vivgrid.com/docs/models/deepseek-v4-flash

deepseek-v4-flash (0731) on Vivgrid: DeepSeek's fast, ultra-affordable model with a 1M-token context window and up to 384K output tokens.

`deepseek-v4-flash (0731)` upgrade to [0731 version https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731](https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731), with significantly enhanced agent capabilities is the fast, ultra-affordable member of the DeepSeek V4 family. It keeps the line's standout **1M-token context window** and **384K-token max output** while pricing input and output tokens at a fraction of frontier models.

DeepSeek-V4-Flash-0731 outperforms DeepSeek-V4-Pro (Preview) on benchmarks listed below despite its far smaller activated parameter count, and is broadly competitive with the strongest proprietary models available.

Vivgrid serves `deepseek-v4-flash (0731)` through its unified, OpenAI-compatible API, making it a compelling default for high-volume, cost-sensitive workloads.



## API surfaces

The Vivgrid Console catalogs `deepseek-v4-flash` on one surface, all behind the same API key. The endpoint shown is the one the Console previews for that surface.

| Surface | Primary endpoint | Use it for |
| --- | --- | --- |
| Chat Completions | `/chat/completions` | Agent projects, where Vivgrid injects the model, system prompt and tools server-side, and Model API calls that name the model per request. |

## Quick start

Get an API key from the Vivgrid Console (https://console.vivgrid.com), then call `deepseek-v4-flash` directly.

```bash
curl https://api.vivgrid.com/v1/chat/completions \
  -H "Authorization: Bearer $VIVGRID_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [
      { "role": "user", "content": "Say hello in English, Chinese and Spanish." }
    ],
    "stream": true
  }'
```


## Ideal use cases

- Very high-volume, cost-sensitive agent traffic
- Long-context summarization and extraction
- Large-output generation at minimal cost
- First-pass steps in multi-model pipelines

## Related models

- [gpt-6-astra](/docs/models/gpt-6-astra) — OpenAI's frontier gpt-6 coding model
- [deepseek-v4.1-flash](/docs/models/deepseek-v4.1-flash) — the V4.1 successor, with image input and Responses API support
- [deepseek-v4-pro-0813](/docs/models/deepseek-v4-pro-0813) — the latest flagship V4 release