DeepSeek V4 Flash 0731 API Chatbots

DeepSeek V4 Flash 0731 Pricing

Running a chatbot (2K input + 500 output tokens, 1,000 conversations/day) costs approximately $1.03/month on Qubax.

Why use DeepSeek V4 Flash 0731 for chatbots on Qubax?

• 💬Customer support chatbots with 24/7 availability
• 💬AI assistants that remember conversation context
• 💬Multi-language chatbots serving global audiences
• 💬Streaming responses for instant perceived speed

About DeepSeek V4 Flash 0731

DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows. It supports a 1.0M-token context window and up to 66K output tokens per request. Native capabilities include reasoning, tool calling, structured output. On Qubax it is served by 362 independent sellers, so pricing stays competitive and uptime stays high.

DeepSeek V4 Flash 0731 Chatbots — code example

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.qubax.ai/v1",
  apiKey: process.env.QUBAX_KEY,
});

const stream = await client.chat.completions.create({
  model: "deepseek-v4-flash-0731",
  messages: [...history, { role: "user", content: userMessage }],
  stream: true,
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}

More DeepSeek models on Qubax

DeepSeek V4 Flash 0731 Chatbots FAQ