UltraGPT
Body Builder (beta)
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:...
Intelligence overview
128K tok
Context window
— tok
Max output
What Body Builder (beta) can do.
Development
Streaming
Streams tokens as they're generated instead of waiting on the full response.
Pay for what you use.
Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.
$-1000000 / 1M tok
$-1000000 / 1M tok
Built for serious work.
Research
Holds up to 128K tokens of source material in context without losing the thread.
Ask Body Builder (beta) anything.
A preview of the real UltraGPT composer — the model you see here is the model you get.
Continues in the UltraGPT app — one login, every model.
How Body Builder (beta) stacks up.
The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.
Technical details.
Specification
- Context window
- 128K tokens
- Max output
- — tokens
- Input modalities
- Text
- Output modalities
- Text
- Release date
- Dec 5, 2025
- Streaming
- Supported
- Tool calling
- Not supported
- JSON mode
- Not supported
More from OpenRouter, and everything else.
This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.