TypeSafe AI launched Jev, a structured decision model that returns probabilities instead of free-form text, claiming 70–500ms response times and significantly lower costs than large language models. The company raised $40 million in seed funding led by DCVC, though independent performance verification remains limited.
Jev is a specialized AI model that produces only structured output rather than free-form text, enabling it to generate responses in parallel rather than autoregressively. This architecture delivers dramatically faster latency (70-500ms versus seconds for standard LLMs) and enables new use cases like real-time video game playing, suggesting structured output could become a fundamental computational primitive for AI systems.