# Start here

24 entries.

- [Introduction](https://docs.typesafe.ai/introduction) - The mental model in two pages: state plus typed questions in, typed answers with probabilities out.
- [Quick start](https://docs.typesafe.ai/introduction/quickstart) - First request in Python, TypeScript, or curl.
- [Primitives](https://docs.typesafe.ai/primitives) - Choice, Score, and Noul, and when each one fits.
- [State](https://docs.typesafe.ai/concepts/state) - How to package what Jev judges, and why less is more.
- [API reference](https://docs.typesafe.ai/api) - The request and response contract.
- [Models](https://docs.typesafe.ai/models) - Aliases, current version, price, and rate limits.
- [Model jaggedness: jev-1.13](https://docs.typesafe.ai/model-jaggedness/jev-1.13) - Known failure modes, straight from the vendor.
- [System One](https://docs.typesafe.ai/concepts/system-one) - What the category means and how it differs from a chat model.
- [How to build with System One](https://docs.typesafe.ai/concepts/how-to-build-with-system-one) - Decompose a judgment into atomic questions and keep the control flow in code.
- [Confidence](https://docs.typesafe.ai/confidence) - What the confidence field means and how to turn it into act, review, or fall back.
- [Patterns](https://docs.typesafe.ai/patterns) - Speculative fan-out, confidence routing, composite scoring, intent routing.
- [Use-case map](https://docs.typesafe.ai/concepts/use-case-map) - The vendor's own catalogue of where Jev fits and where it does not.
- [Cookbooks](https://docs.typesafe.ai/cookbooks/parallel_questions) - Worked recipes, starting with batching many questions into one request; the sidebar has the rest.
- [Workflow evals](https://evals.typesafe.ai/) - The vendor's benchmark on four workflows, with the caveats printed on the page.
- [Manifesto](https://typesafe.ai/manifesto) - The product thesis, summed up as build prod, not god.
- [llms.txt](https://docs.typesafe.ai/llms.txt) - Every documentation page as plain Markdown, for feeding to an agent.
- [Console](https://console.typesafe.ai/) - Waitlist, API keys, and usage.
- [Jev on Vercel AI Gateway](https://vercel.com/ai-gateway/models/jev) - Model id `typesafe-ai/jev`, billed through Vercel, no TypeSafe waitlist.
- [Jev on Cloudflare Workers AI](https://developers.cloudflare.com/ai/models/typesafe/jev/) - Call `typesafe/jev` from a Worker through `env.AI.run`.
- [Jev on OpenRouter](https://openrouter.ai/typesafe/jev-1.13) - Beta listing on the general-purpose gateway, model id `typesafe/jev-1.13`, billed on your OpenRouter key.
- [Jev-verified cascade](https://openrouter.ai/docs/cookbook/evaluate-and-optimize/jev-verified-cascade) - OpenRouter cookbook: a cheap model answers, Jev checks the answer, only the failures escalate.
- [Jev on Netlify AI Gateway](https://www.netlify.com/changelog/typesafe-jev-ai-gateway/) - Zero-config access from Netlify Functions, no separate TypeSafe key.
- [LiteLLM pass-through](https://docs.litellm.ai/docs/pass_through/typesafe) - Route the System One endpoint through a LiteLLM proxy for key management and cost tracking; no streaming, since TypeSafe has none.
- [Discord](https://discord.gg/typesafe) - Official server; builder demos live in the show-and-tell channel.

Page: https://awesomejev.vercel.app/c/start-here/