OpenAI Responses Streaming with AI Gateway

import OpenAI from 'openai';
 
const client = new OpenAI({
  apiKey: process.env.AI_GATEWAY_API_KEY,
  baseURL: 'https://ai-gateway.vercel.sh/v1',
});
 
const stream = await client.responses.create({
  model: 'openai/gpt-6-astra',
  input: 'Write a haiku about programming.',
  stream: true,
});
 
for await (const event of stream) {
  if (event.type === 'response.output_text.delta') {
    process.stdout.write(event.delta);
  }
}

import os
from openai import OpenAI
 
client = OpenAI(
    api_key=os.getenv('AI_GATEWAY_API_KEY'),
    base_url='https://ai-gateway.vercel.sh/v1',
)
 
stream = client.responses.create(
    model='openai/gpt-6-astra',
    input='Write a haiku about programming.',
    stream=True,
)
 
for event in stream:
    if event.type == 'response.output_text.delta':
        print(event.delta, end='', flush=True)

curl -X POST "https://ai-gateway.vercel.sh/v1/responses" \
  -H "Authorization: Bearer $AI_GATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-6-astra",
    "input": "Write a haiku about programming.",
    "stream": true
  }'