Jev API

A zero-shot text classification service over plain HTTP: send text and a list of labels, get the best-fitting label and a calibrated probability per label, with Jev as the default and fast tier.

A router playground that serves several System One decision models from one place: Jev, Perplexity's Decider, Bespoke Nimble, Mercury Decide, Clef, Kev 4B, and Decider 2B, with three of them free.

A third-party developer reference for the Jev API: primitives, quickstart curl, SDK pointers, and published latency and pricing figures.

A public Jev API funded by creator fees from a token, with a playground, docs, use cases, and a smart treasury dashboard.

Cloudflare Workers AI's model page for typesafe/jev: run the structured evaluation model through an env.AI.run binding or the REST /ai/run endpoint, with typed Noul, Choice, and Score questions and worked examples.

@ai-sdk/typesafe-ai adds an evaluation model to the Vercel AI SDK: one experimental_evaluate call sends a state with choice, score, and boolean questions and returns typed answers, probabilities, confidence, and usage.

An OpenRouter Labs recipe that has Claude rewrite a pasted prompt into Jev questions, then runs Jev on every row while a chat model races the same job, comparing answers, requests, time, cost, and accuracy.

Tom's Hardware's launch report on Jev, covering how the API takes program state and typed statements and returns yes/no answers, choices, or probability distributions with confidence values.

DataCamp's explainer walks the eval tables behind System One models, from 67.8% workflow accuracy and 0% structured-output errors to the $0.042 per million token price and how to call the API.

A hosted checker and public API that takes a pasted software idea and returns a Jev verdict with success potential, backed by a task guide and a POST /api/fit endpoint.

The raw HTTP contract behind every SDK: POST a state plus typed noul, choice, and score questions to /v1/systemone, and get one answer per question, with error codes and retry guidance.

The model card for jev-1.13.0: $42 per billion input tokens with free output, a 64k context, 250k tokens per second, and how to list the models your account can call.

How to shape what Jev evaluates: a string, a named object, or an array of messages. Every question in a request sees the same state and is evaluated independently.

A small TypeScript client for asking typed questions about your data: one ask call mixes yes/no, choice, and score questions and returns probabilities, selected options, and confidences.

Access Jev through OpenRouter's decisions endpoint, an alternative route to early access that still uses TypeSafe's question and answer shapes.