Body Builder (beta)

by OpenRouter

openrouter/bodybuilder
Input
<$0.01/1M tokens
Output
<$0.01/1M tokens
Context
128Ktokens
Max output
-
Knows to
-
Released
5 Dec 2025

About

Transform your natural language requests into structured OpenRouter API request objects. Describe what you want to accomplish with AI models, and Body Builder will construct the appropriate API calls.

Pricing

Input<$0.01per 1M prompt tokens
Output<$0.01per 1M generated tokens, reasoning included

What a request costs

Typical requestEachPer 1,000
Short chat reply1,500 in · 400 out<$0.0001<$0.0001
Question over a long document40,000 in · 800 out<$0.0001<$0.0001
Agent tool step20,000 in · 1,200 out<$0.0001<$0.0001

At the developer-API rate, before any provider promotion or prompt-cache saving. In the app, the model picker shows what a message costs on your plan before you send it.

Call it from code

OpenAI-compatible: point any OpenAI SDK at https://api.privateer.pro/v1 and set model. Keys are created in the app under Settings.

cURL
curl https://api.privateer.pro/v1/chat/completions \
  -H "Authorization: Bearer $PRIVATEER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openrouter/bodybuilder",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'
Python
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.privateer.pro/v1",
    api_key=os.environ["PRIVATEER_API_KEY"],
)
reply = client.chat.completions.create(
    model="openrouter/bodybuilder",
    messages=[{"role": "user", "content": "Hello"}],
)
print(reply.choices[0].message.content)
JavaScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.privateer.pro/v1",
  apiKey: process.env.PRIVATEER_API_KEY,
});
const reply = await client.chat.completions.create({
  model: "openrouter/bodybuilder",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(reply.choices[0].message.content);

API reference → · How API billing works →

Prices are USD at the developer-API rate, as of 16 Oct 2026, rebuilt daily from the providers’ live catalogues. ← All models