# Where to run Jev

> Where Jev runs: TypeSafe POST /v1/systemone, Vercel AI Gateway, OpenRouter Decisions, Cloudflare Workers AI, and classifier.dev HTTP.

## Answer

The same Jev model shows up on multiple gateways and APIs. Pick the surface that matches your auth, billing, and question shape.

## Official TypeSafe API

POST https://api.typesafe.ai/v1/systemone with TYPESAFE_AI_API_KEY (or TYPESAFE_API_KEY on some community tools). TypeSafe's Sep 15, 2026 launch post lists $0.042 per million input tokens with output free. Model aliases on docs and SDKs include jev-latest and jev-1.13 family ids. Latency cited by TypeSafe: about 70 ms to 500 ms end to end for typical batches.

## Vercel AI Gateway

Model id typesafe-ai/jev for AI SDK experimental_evaluate and gateway.evaluationModel('typesafe-ai/jev'). Vercel documents $0.042/M input, no output charge, and a 32,000 token context window. Gateway itself includes $5/month free credit then pay-as-you-go credits without markup on model rates.

## OpenRouter

Model typesafe/jev-1.13 on the Decisions API (not chat completions). OpenRouter lists $0.042/M input, $0/M output, 32k context, with a Sep 18, 2026 release note on the model page.

## Cloudflare Workers AI

Model id typesafe/jev via env.AI.run('typesafe/jev', { state, questions }). Cloudflare lists a 32,000 token context window; dollar rates are dashboard-priced on their side. TypeSafe's public list price still applies when you compare unit economics.

## classifier.dev (Jev for labels)

Not the System One JSON API: classifier.dev is zero-shot text classification over HTTP with fast tier on Jev and smart tier escalation below 0.7 confidence. Free tier needs no API key; limits count classifications per IP. See classifier.dev/pricing and the classifier-dev listing in this directory.

## What we did not guess

Rate limits like 250,000 tokens per second on the official API are omitted here unless docs.typesafe.ai/models states them in your checkout. Context limits vary by gateway (32k on Vercel, OpenRouter, and Cloudflare model pages). Always confirm aliases on the provider page you ship against.

## Open models beside hosted Jev

When you outgrow a single gateway, open checkpoints sit beside hosted Jev. Laya, Cloudflare clef, Kev, Perplexity decider, and Liquid d1 each have a dated comparison with migration notes. Jev alternatives compared collects the full set, and Liquid d1 vs Jev covers the small multimodal checkpoint.

- [Jev alternatives compared](https://jev.aitools.fyi/alternatives)
- [Liquid d1 vs Jev](https://jev.aitools.fyi/alternatives/liquid-d1)

## FAQ

### Where is the official API?

POST https://api.typesafe.ai/v1/systemone with TYPESAFE_AI_API_KEY, or TYPESAFE_API_KEY on some community tools.

### Is classifier.dev the same API?

No. classifier.dev is zero-shot text classification over HTTP, with a fast tier on Jev and smart tier escalation below 0.7 confidence.

### Which numbers did this page skip?

Rate limits like 250,000 tokens per second on the official API are omitted here unless docs.typesafe.ai/models states them in your checkout. Context limits vary by gateway, so always confirm aliases on the provider page you ship against.

Directory copy checked 2026-10-17. This directory is independent of TypeSafe AI unless a listing says it is official.
Canonical: https://jev.aitools.fyi/learn/where-to-run-jev
Markdown: https://jev.aitools.fyi/learn/where-to-run-jev.md