Jev
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- Jev is TypeSafe AI's hosted System One model for making typed decisions inside software. Give it text or structured text state and ask narrow questions of three kinds: a Choice picks one option from a set you define, a Score rates the input against levels you describe, and a Noul is a yes-or-no question. Each answer comes with probabilities your code can use for routing, classification and scoring. It does not generate prose or code and cannot replace a chat or coding-agent LLM. The documented Jev 1.13 version is available through TypeSafe's API in early access. Start with a decision in your own workflow and keep the final action in your application code.
Before choosing
- Jev is a decision model, not a generative LLM: no chat, prose generation, code writing, images, audio or video input. The publisher documents 64k tokens per request and a 32k limit for state plus the longest question for jev-1.13.0. Confidence describes the distribution and does not guarantee an individual answer is correct; the publisher documents failures on counting, date arithmetic, indirection and adversarial text. Requires TypeSafe cloud access and an API key; prices and rate limits may change. No local weights or hands-on performance evaluation were established.
