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TypeSafe AI

An enterprise AI startup founded in San Francisco by former OpenAI researcher and core RLHF/InstructGPT contributor Diogo Almeida, focused on machine-native decision models for software automation and engineering workflows.

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01TypeSafe AI Launches Jev: A Non-Generative System One Decision Model for Type-Safe Low-Latency WorkflowsTypeSafe AI, co-founded by former OpenAI core researcher Diogo Almeida, officially launched Jev, its first System One decision model tailored for software control flows. Discarding autoregressive text generation entirely, Jev directly outputs type-safe primitives (Noul, Choice, and Score), compressing end-to-end latency to 70ms-500ms and reducing inference costs by ~400x to tackle agent guardrail bottlenecks.9/20/2026