Frontier reasoning, open weights

DeepSeek-V4-Flash

Name: DeepSeek-V4-Flash
Author: DeepSeek

by DeepSeek

Chat Tools Thinking

DeepSeek-V4-Flash delivers frontier-level reasoning and tool use with a 1M-token context window, released under a permissive MIT licence.

Publisher: DeepSeek
Context window: 1M tokens
Licence: MIT

Model card on Hugging Face

Run DeepSeek-V4-Flash

Install it on a Pendra worker, then call it through the OpenAI-compatible API with a pdr_sk_ key.

from pendra import Pendra

client = Pendra(api_key="pdr_sk_...")

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

print(response.choices[0].message.content)

import { Pendra } from "pendra";

const client = new Pendra({ apiKey: "pdr_sk_..." });

const response = await client.chat.completions.create({
  model: "deepseek-v4-flash",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(response.choices[0].message.content);

Run DeepSeek-V4-Flash on your own UK infrastructure

Deploy a worker, install DeepSeek-V4-Flash, and start serving it through one sovereign API endpoint.

Get started free Read the quickstart