UltraGPT
TypeSafe: Jev Router
Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. It runs on [Jev](https://openrouter.ai/~typesafe/jev-latest), TypeSafe's first System One model, and adapts as your...
Intelligence overview
1M tok
Context window
— tok
Max output
What TypeSafe: Jev Router can do.
Multimodal
Image understanding
Reads and reasons over images alongside text in the same prompt.
Audio
Accepts or produces audio as part of the conversation.
Video input
Takes video as an input modality alongside text and images.
File input
Reads uploaded files — documents, spreadsheets, code — directly in context.
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 1M tokens of source material in context without losing the thread.
Create
Reads images alongside a prompt to ground creative and design work in what's actually on screen.
Ask TypeSafe: Jev Router 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 TypeSafe: Jev Router 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
- 1M tokens
- Max output
- — tokens
- Input modalities
- Audio + File + Image + Text + Video
- Output modalities
- Text
- Release date
- Sep 25, 2026
- Streaming
- Supported
- Tool calling
- Not supported
- JSON mode
- Not supported
More from Typesafe, 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.