OpenAI SDK

pip install openai

npm install openai

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["CONCENTRATE_API_KEY"],
    base_url="https://api.concentrate.ai/v1",
)

response = client.responses.create(
    model="deepseek-v4-1-flash",
    input="Say hello in one sentence.",
)
print(response.output_text)

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.CONCENTRATE_API_KEY,
  baseURL: "https://api.concentrate.ai/v1",
});

const response = await client.responses.create({
  model: "deepseek-v4-1-flash",
  input: "Say hello in one sentence.",
});
console.log(response.output_text);

stream = client.responses.create(
    model="deepseek-v4-1-flash",
    input="Tell me a short story.",
    stream=True,
)
for event in stream:
    if event.type == "response.output_text.delta":
        print(event.delta, end="", flush=True)

const stream = await client.responses.create({
  model: "deepseek-v4-1-flash",
  input: "Tell me a short story.",
  stream: true,
});
for await (const event of stream) {
  if (event.type === "response.output_text.delta") {
    process.stdout.write(event.delta);
  }
}

import json

response = client.responses.create(
    model="deepseek-v4-1-flash",
    input="Use get_weather for Paris.",
    tools=[{
        "type": "function",
        "name": "get_weather",
        "description": "Get weather for a city",
        "parameters": {
            "type": "object",
            "properties": {"city": {"type": "string"}},
            "required": ["city"],
        },
    }],
    tool_choice={"type": "function", "name": "get_weather"},
)
call = next(item for item in response.output if item.type == "function_call")
print(json.loads(call.arguments)["city"])

const response = await client.responses.create({
  model: "deepseek-v4-1-flash",
  input: "Use get_weather for Paris.",
  tools: [{
    type: "function",
    name: "get_weather",
    description: "Get weather for a city",
    parameters: {
      type: "object",
      properties: { city: { type: "string" } },
      required: ["city"],
    },
  }],
  tool_choice: { type: "function", name: "get_weather" },
});
const call = response.output.find((item) => item.type === "function_call");
console.log(JSON.parse(call.arguments).city);

import json

response = client.responses.create(
    model="deepseek-v4-1-flash",
    input="Return JSON with status set to ready.",
    text={"format": {
        "type": "json_schema",
        "name": "status_result",
        "strict": True,
        "schema": {
            "type": "object",
            "properties": {"status": {"type": "string"}},
            "required": ["status"],
            "additionalProperties": False,
        },
    }},
)
print(json.loads(response.output_text)["status"])

const response = await client.responses.create({
  model: "deepseek-v4-1-flash",
  input: "Return JSON with status set to ready.",
  text: { format: {
    type: "json_schema",
    name: "status_result",
    strict: true,
    schema: {
      type: "object",
      properties: { status: { type: "string" } },
      required: ["status"],
      additionalProperties: false,
    },
  } },
});
console.log(JSON.parse(response.output_text).status);