Jevper is an independent LLM API client implementation of the System One wire format, compatible with any OpenAI-compatible model including self-hosted servers. It provides typed question interfaces (choice, score, noul) that return answers with probabilities and confidence scores, while remaining independent of TypeSafe AI or the hosted API.
Jevper is an independent implementation of the Jev interface that works with any OpenAI-compatible model, enabling typed classification queries (choice, noul, score) with probability outputs. It supports multiple elicitation methods including logprobs, grammar, and structured JSON, and can run concurrent questions with reasoning capabilities.