# Body Builder (beta)

`openrouter/bodybuilder` — **openrouter** · CHAT

> Body Builder (beta) (openrouter/bodybuilder) is a chat model from openrouter with a 128K-token context window; proprietary (API-only); input text; output text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 128,000 tokens |
| Max output tokens | 128,000 tokens |
| Input modalities | text |
| Output modalities | text |
| Weights | Proprietary (API-only) |
| Release date | 2025-12-05 |
| Sources | models-dev, openrouter-api |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [openrouter models](https://models.viglet.org/models/openrouter/) · [Vendor JSON](https://models.viglet.org/by-vendor/openrouter.json) · [HTML](https://models.viglet.org/models/openrouter/openrouter-bodybuilder.html)*