DeepSeek V4 Pro API Chatbots

Build AI chatbots and conversational assistants powered by DeepSeek V4 Pro. Full streaming support means users see tokens in real time โ€” no waiting for complete responses.

99% cheaper than OpenRouter

DeepSeek V4 Pro Pricing

Token TypeQubaxRetailSave
Input (per 1M)$0.011$0.94699%
Output (per 1M)$0.042$1.8998%

Running a chatbot (2K input + 500 output tokens, 1,000 conversations/day) costs approximately $1.27/month on Qubax.

Why use DeepSeek V4 Pro for chatbots on Qubax?

  • ๐Ÿ’ฌCustomer support chatbots with 24/7 availability
  • ๐Ÿ’ฌAI assistants that remember conversation context
  • ๐Ÿ’ฌMulti-language chatbots serving global audiences
  • ๐Ÿ’ฌStreaming responses for instant perceived speed

About DeepSeek V4 Pro

DeepSeek V4 Pro โ€” 1.6T-parameter MoE model with 49B active parameters, 1M context, advanced reasoning, coding, and long-horizon agentic workflows. It supports a 1M-token context window and up to 128K output tokens per request. Native capabilities include reasoning, tool calling, structured output, streaming. On Qubax it is served by 941 independent sellers, so pricing stays competitive and uptime stays high.

1M context window128K max output tokensReasoning with selectable effort levels (default)Function & tool callingJSON schema responsesToken streaming

DeepSeek V4 Pro Chatbots โ€” code example

Node.js โ€” streaming chat turnjavascript
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-pro",
  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

Get started in 60 seconds

  1. 1Create a free account at qubax.ai/register
  2. 2Add crypto credits (200+ coins, $3 minimum, credits never expire)
  3. 3Generate an API key and set your base URL to https://api.qubax.ai/v1
  4. 4Use model ID deepseek-v4-pro โ€” done!

DeepSeek V4 Pro Chatbots FAQ

How much does DeepSeek V4 Pro cost for chatbots?

On Qubax, DeepSeek V4 Pro costs $0.011 per 1M input tokens and $0.042 per 1M output tokens. 99% cheaper than OpenRouter. Pay with 200+ cryptocurrencies.

Can I use DeepSeek V4 Pro with my existing tools?

Yes. Qubax is fully OpenAI-compatible. Change your base URL to api.qubax.ai/v1 and use your Qubax key. Works with Cline, Cursor, OpenCode, LangChain, and any OpenAI SDK.

Do I need a credit card?

No. Qubax accepts 200+ cryptocurrencies. No credit card, no KYC.

Start using DeepSeek V4 Pro for chatbots

No credit card. Crypto accepted. Credits never expire.

Get started โ†’
DeepSeek V4 Pro API for Chatbots โ€” 99% off ยท Qubax AI