Related Practices / Discussions

Blog post building the smallest working Jev-style decision loop in 25 lines of Python, with a busy HN debate.

Tenuo blog post pairing the typed-decision loop with scoped authority so confidence only authorises what scope already allows.

Simon Willison's blog post on what changes when a model's output is a typed decision instead of prose.

Substack essay arguing cheap calibrated decisions will shift where AI inference spending goes.

Blog post that plays poker with Jev to probe where a fast decision model helps and where it falls short.

Vercel's decision guide on when to use a System One model like Jev versus a frontier model like GPT-6 Astra.

Japanese Zenn article by mizchi pitting Jev against itself at gomoku, with source code and timing logs.

The Neuron's explainer article on TypeSafe's Jev and System One models: AI decisions without a chatbot.

Anthony Maio's Substack essay on what a model that cannot generate text is for, with a critical look at Jev's claims.

DataCamp blog overview of Jev and System One models covering the primitives, pricing and TypeSafe's workflow evaluations.

TypeSafe's manifesto arguing for machine-native intelligence built for software rather than conversation.

Every Vibe Check article: Mike Taylor runs a writing corpus through TypeSafe's Jev and reports how it judged it.

InfoWorld article (2026-09-17) on TypeSafe's models for machines, listing decisions like which tool to invoke or whether to approve.

Collector note confirming TypeSafe's docs index (llms.txt) still lists 30 articles and 18 cookbooks, with no new pages.

Blog post that replaces an agent's classification loop with a single Jev call and reports the loop running 7x faster.

Independent article walking through Jev and separating TypeSafe's published claims from public evidence.

News note that TypeSafe added a Team page and an Enterprise navigation entry, read as a commercialization signal.

The Register's launch coverage of TypeSafe AI and Jev, including the Doom demo and the $40M seed round.

Financial Times report that TypeSafe drew funding approaches that could value it at $10bn or more after Jev launched.

Forkast news analysis arguing that Jev's refusal to generate text is the feature, and what that means for inference spend.

Developers Digest release-week roundup of Jev covering the API, evals, an adapter and the agent skill.

Blog experiment making text-only Jev guess what a sketch shows from a text description of the drawing.

Japanese article testing whether LLMs can replicate Jev, via a logit shortcut on Gemma and the Mario harness.

News report that Jev drew record paid-developer interest on Vercel and tripled OpenRouter token volume in one weekend.

Short practical introduction to Jev with a Python ticket-triage example.

Video talk by TypeSafe founder Diogo Almeida on why Jev needed a separate company: a design rationale for System One models.

Arcturus Labs analysis arguing OpenAI is best placed to fast-follow Jev's typed-decision shape, with a large HN debate on moats.

Community post reporting that TypeSafe's official X account was phished on Jev's release day.

ibl.ai article noting CriticGPT and Prometheus 2 built judge models in 2024, cited as prior art for Jev's design.

Pat McGuinness Substack post on Jev making fast, cheap decisions, quoting founder Diogo Almeida on its original motivation.