# deepseek-v4-flash-0731 — API, pricing & specs via nRouter

> deepseek-v4-flash-0731 is available through nRouter, the managed LLM gateway: one OpenAI-compatible API key, 0% token markup (exact provider list pricing), 0% platform fee, built-in guardrails, and per-request cost tracking.

## What it is

DeepSeek-V4-Flash-0731 is the production release of DeepSeek-V4-Flash, incorporating an integrated speculative decoding module. It delivers enhanced agentic performance, tool execution, and code synthesis across a 1M-token context window.

Source: https://huggingface.co/deepseek-ai/DeepSeek-V4-Flash-0731

## Facts

- Maker: DeepSeek
- Released: 2026-07-31
- Served on: Alibaba US

## nRouter list pricing (exact provider rates, 0% markup)

- Input: $0.2 per 1M tokens
- Output: $0.4 per 1M tokens

Settled at the exact provider list price above. nRouter adds no per-token markup and charges a 0% platform fee (see https://nrouter.ai/pricing).

## Use it

```python
from openai import OpenAI

client = OpenAI(
    base_url="https://api.nrouter.ai/v1",
    api_key="sk-nrouter-YOUR_KEY",  # create one at https://nrouter.ai/signup
)

response = client.chat.completions.create(
    model="dashscope/deepseek-v4-flash-0731",
    messages=[{"role": "user", "content": "Hello"}],
)
```

Model page: https://nrouter.ai/models/deepseek-v4-flash-0731
Full nRouter index for AI engines: https://nrouter.ai/llms.txt
Docs: https://nrouter.ai/docs