DeepSeekText Generation Model

DeepSeek V4 Pro

DeepSeek's flagship open-weight reasoning model: a large sparse Mixture-of-Experts with a 1M-token context window. At high reasoning effort it ranks among the strongest open models on math and coding, at pricing far below closed frontier peers.

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-pro",
  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-pro",
  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);
}

Related models

Model

InputCache readOutput

Kimi K3

1024K input contextVisionToolsReasoning$3.00 / $15.00

1000K input contextTools$2.50 / $5.00

$2.50

$5.00

Schematron V2 SmallInference.net

125K input context$0.05 / $0.25

$0.05

$0.25

Schematron V2 TurboInference.net

125K input context$0.03 / $0.15

$0.03

$0.15

Start building with DeepSeek V4 Pro today

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