TypeSafe AI launches Jev, the first public System One model
On , TypeSafe AI left stealth with ~$40M seed (DCVC) and shipped Jev — a model that returns typed decisions (choice, score, boolean) with calibrated probabilities and no free-text generation.
Founder Diogo Almeida (co-inventor of ChatGPT, ex-OpenAI) positions the product against chatbot-first AI.
Vendor claims (not independently verified by ModelSystem.One): 193× faster than Claude Sonnet 5; 444× cheaper than Opus 5; $0.042/M input tokens, free output; 70–500ms latency.
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