Streaming responses: คำตอบในขณะที่ถูกเขียน

curl -sN "https://llmwithcrypto.com/api/v1/chat/completions" \
  -H "Authorization: Bearer $LLMWITHCRYPTO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4.1-flash",
    "messages": [{"role": "user", "content": "Write a haiku about latency."}],
    "stream": true,
    "stream_options": {"include_usage": true},
    "max_tokens": 120
  }'

import os

from openai import OpenAI

client = OpenAI(
    base_url="https://llmwithcrypto.com/api/v1",
    api_key=os.environ["LLMWITHCRYPTO_API_KEY"],
)

stream = client.chat.completions.create(
    model="deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Write a haiku about latency."}],
    stream=True,
    stream_options={"include_usage": True},
    max_tokens=120,
)
for chunk in stream:
    if chunk.choices and chunk.choices[0].delta.content:
        print(chunk.choices[0].delta.content, end="", flush=True)
    if chunk.usage:
        print("\n", chunk.usage.prompt_tokens, "in,", chunk.usage.completion_tokens, "out")

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://llmwithcrypto.com/api/v1',
  apiKey: process.env.LLMWITHCRYPTO_API_KEY,
});

const stream = await client.chat.completions.create({
  model: 'deepseek-v4.1-flash',
  messages: [{ role: 'user', content: 'Write a haiku about latency.' }],
  stream: true,
  stream_options: { include_usage: true },
  max_tokens: 120,
});
for await (const chunk of stream) {
  const text = chunk.choices[0]?.delta?.content;
  if (text) process.stdout.write(text);
  if (chunk.usage) console.log(`\n${chunk.usage.prompt_tokens} in, ${chunk.usage.completion_tokens} out`);
}

data: {"id":"chatcmpl-5a1e","object":"chat.completion.chunk","created":1792742400,"model":"deepseek-v4.1-flash","choices":[{"index":0,"delta":{"role":"assistant","content":""},"finish_reason":null}]}

data: {"id":"chatcmpl-5a1e","object":"chat.completion.chunk","created":1792742400,"model":"deepseek-v4.1-flash","choices":[{"index":0,"delta":{"content":"Packets"},"finish_reason":null}]}

data: {"id":"chatcmpl-5a1e","object":"chat.completion.chunk","created":1792742400,"model":"deepseek-v4.1-flash","choices":[{"index":0,"delta":{"content":" cross the"},"finish_reason":null}]}

data: {"id":"chatcmpl-5a1e","object":"chat.completion.chunk","created":1792742400,"model":"deepseek-v4.1-flash","choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}

data: {"id":"chatcmpl-5a1e","object":"chat.completion.chunk","created":1792742400,"model":"deepseek-v4.1-flash","choices":[],"usage":{"prompt_tokens":14,"completion_tokens":19,"total_tokens":33}}

data: [DONE]