Streaming Output

Chat Completions API

Python

from openai import OpenAI

client = OpenAI(api_key="your-api-key", base_url="https://aisupermarket.work/v1")

stream = client.chat.completions.create(
    model="gpt-5.4",
    messages=[{"role": "user", "content": "Write a poem about spring"}],
    stream=True,
)

for chunk in stream:
    if chunk.choices[0].delta.content is not None:
        print(chunk.choices[0].delta.content, end="", flush=True)

JavaScript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "your-api-key",
  baseURL: "https://aisupermarket.work/v1",
});

const stream = await client.chat.completions.create({
  model: "gpt-5.4",
  messages: [{ role: "user", content: "Write a poem about spring" }],
  stream: true,
});

for await (const chunk of stream) {
  const content = chunk.choices[0]?.delta?.content;
  if (content) process.stdout.write(content);
}

curl

curl https://aisupermarket.work/v1/chat/completions \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4",
    "messages": [{"role": "user", "content": "Write a poem about spring"}],
    "stream": true
  }'

Responses API

Python

from openai import OpenAI

client = OpenAI(api_key="your-api-key", base_url="https://aisupermarket.work/v1")

stream = client.responses.create(
    model="gpt-5.4",
    input="Write a poem about summer",
    stream=True,
)

for event in stream:
    if event.type == "response.output_text.delta":
        print(event.delta, end="", flush=True)

JavaScript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "your-api-key",
  baseURL: "https://aisupermarket.work/v1",
});

const stream = await client.responses.create({
  model: "gpt-5.4",
  input: "Write a poem about summer",
  stream: true,
});

for await (const event of stream) {
  if (event.type === "response.output_text.delta") {
    process.stdout.write(event.delta);
  }
}

curl

curl https://aisupermarket.work/v1/responses \
  -H "Authorization: Bearer your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-5.4",
    "input": "Write a poem about summer",
    "stream": true
  }'