DeepSeekText Generation Model

DeepSeek V4 Flash

The efficient tier of DeepSeek's open-weight V4 family: a sparse Mixture-of-Experts that activates only a small fraction of its parameters per token, with a 1M-token context and selectable reasoning effort. Frontier-adjacent quality at a fraction of frontier cost.

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://api.inference.net/v1",
  apiKey: "<YOUR_API_KEY>",
});

const completion = await openai.chat.completions.create({
  model: "deepseek-v4-flash",
  messages: [
    {
      role: "user",
      content: "What is the meaning of life?"
    }
  ],
  stream: true,
});

for await (const chunk of completion) {
  process.stdout.write(chunk.choices[0]?.delta.content as string);
}

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://api.inference.net/v1",
  apiKey: "<YOUR_API_KEY>",
});

const completion = await openai.chat.completions.create({
  model: "deepseek-v4-flash",
  messages: [
    {
      role: "user",
      content: "What is the meaning of life?"
    }
  ],
  stream: true,
});

for await (const chunk of completion) {
  process.stdout.write(chunk.choices[0]?.delta.content as string);
}

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Start building with DeepSeek V4 Flash today

Serverless, OpenAI-compatible, and billed per token. No commitments.