Antimatter
TypeSafe

Jev Router

typesafe/jev-router

Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost.

No published price1M contextSep 25, 2026

Price not published

Chat with Jev Router
Call it from code

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens
not published
Output, per 1M tokens
not published

Context and formats

Context window
1,000,000 tokens
Longest answer
64,000 tokens
Reads
text, images, audio, files, and video
Makes
text
First listed
2026-09-25

Measured here, last 7 days

First token, median
not measured
Answered without error
not measured

Tools and JSON

Tool calling
declaredthe provider's claim, not yet measured here
JSON output
declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=typesafe/jev-router.

About

Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. It runs on Jev, TypeSafe's first System One model, and adapts as your...

In TypeSafe's words.

Try it here

The answer appears here.

Measured here

Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "typesafe/jev-router", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

Jev Router price on Antimatter
<a href="https://useantimatter.com/planet/typesafe/jev-router"><img src="https://useantimatter.com/api/badge/price?id=typesafe%2Fjev-router" alt="Jev Router price on Antimatter" height="28"></a>

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