TypeSafe AI, maker of the Jev model, has closed an $870 million funding round at a $7.5 billion valuation led by Andreessen Horowitz, with Sequoia and existing backer DCVC also participating. Jev launched on Sept. 15 and, per the company, is already used by a third of Fortune 500 firms. Unlike large language models, Jev uses a transformer architecture to output probabilities or 'calibrated decisions' rather than text, which TypeSafe says makes it faster and more token-efficient for automation tasks.
techcrunch.com
· 2026-10-09
TypeSafe AI has released Jev, its first 'System One' model designed not for conversation but for evaluating statements and making structured decisions for use in software systems. Built by former OpenAI researcher Diogo Almeida, the model claims to be up to 194x faster and 445x cheaper than frontier LLMs like GPT-6 Astra by processing parallel yes/no style queries with confidence scores instead of generating open-ended text.
tomshardware.com
· 2026-09-21
TypeSafe AI, founded by former OpenAI RLHF researcher Diogo Almeida, has emerged from two years of stealth development with $40 million in funding and its first product, a model called Jev. Rather than generating conversational text like ChatGPT, Jev is built to deliver fast, cheap yes/no or categorical decisions—in about a tenth of a second and for a fraction of a cent—aimed at software-to-software interactions rather than human chat.
techspot.com
· 2026-09-20
Diogo Almeida, a former OpenAI researcher who helped invent RLHF and build ChatGPT, has released a new transformer-based model called Jev through his startup TypeSafe AI. Unlike large language models, Jev doesn't generate text—it produces calibrated probability outputs, making it faster, cheaper and immune to hallucination. Developers have shown strong demand, with the company briefly unable to keep up with API traffic.
techcrunch.com
· 2026-09-18
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