Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. It runs on JevOpens in new tab, TypeSafe's first System One model, and adapts as your conversation evolves. One endpoint gives you the whole model ecosystem, leveraging the ecosystem's token and spend share.
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.
Guides, cookbooks, and tools for building with TypeSafe: Jev Router on OpenRouter.
Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. It runs on Jev, TypeSafe's first System One model, and adapts as your conversation evolves. One endpoint gives you the whole model ecosystem, leveraging the ecosystem's token and spend share.
The Jev Router documentation on OpenRouter includes the Jev Tutorial guide, the Jev (TypeSafe) guide, the TypeSafe SDK (Jev) guide, the Gate Agent Tool Calls with Jev cookbook, the Auto-Approve Coding Agent Permission Prompts with Jev cookbook, the Classify Reddit and YouTube Comments with Jev and ScrapeCreators cookbook, the Classify and Tag Text at Scale with Jev cookbook, the Cut LLM Cost with a Jev-Verified Cascade cookbook, and the interactive Jev Lab. The quickstart covers API keys and your first request, and the API reference lists every parameter.
Yes. The pricing shown on this page for Jev Router is zero, so you are not charged for prompt or completion tokens.
Jev Router has a 1,000,000 token context window.
Jev Router accepts audio, files such as PDFs, images, text, and video as input and returns text.
Jev 1.13 is another text model from Typesafe.
Jev Router was released on September 25, 2026.