LiteLLM

# Before (OpenAI SDK + LiteLLM Proxy)
from openai import OpenAI
import os

client = OpenAI(
    base_url="http://localhost:4000",
    api_key=os.environ["LITELLM_API_KEY"],
    default_headers={
        "x-litellm-tags": "team-a,prod",
        "x-litellm-spend-logs-metadata": '{"feature": "summarizer"}',
    },
)

# After (Concentrate)
from openai import OpenAI
import os

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

response = client.chat.completions.create(
    model="anthropic/claude-opus-4-6",
    messages=[{"role": "user", "content": "Say hello in one word"}],
)
print(response.choices[0].message.content)

// Before (OpenAI SDK + LiteLLM Proxy)
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "http://localhost:4000",
  apiKey: process.env.LITELLM_API_KEY,
  defaultHeaders: {
    "x-litellm-tags": "team-a,prod",
    "x-litellm-spend-logs-metadata": JSON.stringify({ feature: "summarizer" }),
  },
});

// After (Concentrate)
import OpenAI from "openai";

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

const response = await client.chat.completions.create({
  model: "anthropic/claude-opus-4-6",
  messages: [{ role: "user", content: "Say hello in one word" }],
});
console.log(response.choices[0].message.content);

curl https://api.concentrate.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $CONCENTRATE_API_KEY" \
  -d '{
    "model": "anthropic/claude-opus-4-6",
    "messages": [{"role": "user", "content": "Say hello in one word"}]
  }'

curl https://api.concentrate.ai/v1/responses \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $CONCENTRATE_API_KEY" \
  -d '{
    "model": "anthropic/claude-opus-4-6",
    "input": "What is the capital of France?"
  }'

import os
import requests

response = requests.post(
    "https://api.concentrate.ai/v1/responses",
    headers={
        "Authorization": f"Bearer {os.environ['CONCENTRATE_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
        "model": "anthropic/claude-opus-4-6",
        "input": "What is the capital of France?",
    },
)
print(response.json())

const response = await fetch("https://api.concentrate.ai/v1/responses", {
  method: "POST",
  headers: {
    "Authorization": `Bearer ${process.env.CONCENTRATE_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "anthropic/claude-opus-4-6",
    input: "What is the capital of France?",
  }),
});
console.log(await response.json());