Streaming Responses

Python streaming

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.kryyt.com/v1",
    api_key=os.environ["KRYYT_API_KEY"],
    timeout=600,
    max_retries=0,
)

stream = client.chat.completions.create(
    model="deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Write a short launch announcement."}],
    max_tokens=512,
    stream=True,
)
try:
    for chunk in stream:
        if chunk.choices:
            text = chunk.choices[0].delta.content or ""
            print(text, end="", flush=True)
        if chunk.usage:
            print("\nTokens:", chunk.usage.total_tokens)
finally:
    stream.close()
    client.close()

Node.js streaming

import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.kryyt.com/v1",
  apiKey: process.env.KRYYT_API_KEY,
  timeout: 600_000,
  maxRetries: 0,
});

const stream = await client.chat.completions.create({
  model: "deepseek-v4.1-flash",
  messages: [{role: "user", content: "Write a short launch announcement."}],
  max_tokens: 512,
  stream: true,
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content || "");
}

SSE illustration

data: {"object":"chat.completion.chunk","choices":[{"delta":{"content":"Hello"}}]}

data: [DONE]