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Body Builder (beta)

openrouter/bodybuilder

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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. Example: "count to 10 using gemini and opus."

This is useful for creating multi-model requests, custom model routers, or programmatic generation of API calls from human descriptions.

BETA NOTICE: Body Builder is in beta, and currently free. Pricing and functionality may change in the future.

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About Body Builder (beta)

OpenRouter makes Body Builder (beta) by OpenRouter available through a unified, OpenAI-compatible API using the model ID openrouter/bodybuilder.

Body Builder (beta) accepts text and returns text. It has a 128,000-token context window.

It was released on December 5, 2025.

Quick Start

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

Top models used by Body Builder (beta)

No usage data available yet.

Frequently asked questions

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. Example: "count to 10 using gemini and opus." This is useful for creating multi-model requests, custom model routers, or programmatic generation of API calls from human descriptions.

Yes. The pricing shown on this page for Body Builder (beta) is zero, so you are not charged for prompt or completion tokens.

Body Builder (beta) has a 128,000 token context window.

Body Builder (beta) was released on December 5, 2025.