gpt-5

curl https://api.onefast.ai/v1/v1/chat/completions 
  -H "Content-Type: application/json" 
  -H "Authorization: Bearer sk-your-api-key" 
  -d '{
    "model": "gpt-5",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'

from openai import OpenAI

client = OpenAI(
    api_key="sk-your-api-key",
    base_url="https://api.onefast.ai/v1"
)

resp = client.chat.completions.create(
    model="gpt-5",
    messages=[{"role": "user", "content": "Hello!"}]
)

print(resp.choices[0].message.content)

import OpenAI from "openai";

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

const resp = await client.chat.completions.create({
  model: "gpt-5",
  messages: [{ role: "user", content: "Hello!" }],
});

console.log(resp.choices[0].message.content);

curl https://api.onefast.ai/v1/chat/completions 
  -H "Content-Type: application/json" 
  -H "Authorization: Bearer sk-your-api-key" 
  -d '{
    "model": "gpt-5",
    "messages": [
      {"role": "user", "content": "Explain AI in one sentence"}
    ],
    "max_tokens": 200
  }'

{
  "id": "chatcmpl-xxx",
  "object": "chat.completion",
  "model": "gpt-5",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "AI is the simulation of human intelligence by machines..."
      }
    }
  ],
  "usage": { "prompt_tokens": 12, "completion_tokens": 30, "total_tokens": 42 }
}