Быстрый старт

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.aiproductiv.ru/v1",
)

response = client.responses.create(
    model="gpt-5.5",
    input="Hello from CheapGPT!",
)

print(response.output_text)

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "YOUR_API_KEY",
  baseURL: "https://api.aiproductiv.ru/v1",
});

const response = await client.responses.create({
  model: "gpt-5.5",
  input: "Hello from CheapGPT!",
});

console.log(response.output_text);

import com.openai.client.OpenAIClient;
import com.openai.client.okhttp.OpenAIOkHttpClient;
import com.openai.models.responses.Response;
import com.openai.models.responses.ResponseCreateParams;

public class Main {
    public static void main(String[] args) {
        OpenAIClient client = OpenAIOkHttpClient.builder()
            .apiKey("YOUR_API_KEY")
            .baseUrl("https://api.aiproductiv.ru/v1")
            .build();

        Response response = client.responses().create(
            ResponseCreateParams.builder()
                .model("gpt-5.5")
                .input("Hello from CheapGPT!")
                .build()
        );

        System.out.println(response.output());
    }
}

using System;
using System.ClientModel;
using OpenAI;
using OpenAI.Responses;

var client = new ResponsesClient(
    new ApiKeyCredential("YOUR_API_KEY"),
    new OpenAIClientOptions { Endpoint = new Uri("https://api.aiproductiv.ru/v1") }
);

var response = await client.CreateResponseAsync(
    "gpt-5.5",
    "Hello from CheapGPT!"
);

Console.WriteLine(response.Value.GetOutputText());

package main

import (
	"context"
	"fmt"

	"github.com/openai/openai-go/v3"
	"github.com/openai/openai-go/v3/option"
	"github.com/openai/openai-go/v3/responses"
)

func main() {
	client := openai.NewClient(
		option.WithAPIKey("YOUR_API_KEY"),
		option.WithBaseURL("https://api.aiproductiv.ru/v1"),
	)

	resp, err := client.Responses.New(
		context.TODO(),
		responses.ResponseNewParams{
			Model: openai.ChatModel("gpt-5.5"),
			Input: responses.ResponseNewParamsInputUnion{
				OfString: openai.String("Hello from CheapGPT!"),
			},
		},
	)
	if err != nil {
		panic(err)
	}

	fmt.Println(resp.OutputText())
}

{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "cheapgpt": {
      "npm": "@ai-sdk/openai",
      "name": "CheapGPT",
      "options": {
        "baseURL": "https://api.aiproductiv.ru/v1"
      },
      "models": {
        "gpt-5.5": {
          "name": "GPT-5.5",
          "attachment": true,
          "reasoning": true,
          "modalities": { "input": ["text", "image"], "output": ["text"] },
          "variants": { "xhigh": { "reasoningEffort": "xhigh" } }
        }
      }
    }
  }
}