Kimi K3 Fast API Chatbots

Kimi K3 Fast Pricing

Running a chatbot (2K input + 500 output tokens, 1,000 conversations/day) costs approximately $227.81/month on Qubax.

Why use Kimi K3 Fast 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 Kimi K3 Fast

Kimi K3 Fast is Venice’s low-latency serving profile for Moonshot AI’s 1M-context multimodal Kimi K3 model, with reasoning, tools, and structured outputs. It supports a 1M-token context window and up to 131K output tokens per request. Native capabilities include reasoning, vision, tool calling, structured output, streaming. On Qubax it is served by 38 independent sellers, so pricing stays competitive and uptime stays high.

Kimi K3 Fast 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: "kimi-k3-fast-api",
  messages: [...history, { role: "user", content: userMessage }],
  stream: true,
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}

More Moonshot AI models on Qubax

Kimi K3 Fast Chatbots FAQ