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[ARTICLE · art-134497] src=jevplayground.terrydjony.com ↗ pub= topic=ai-tools verified=true sentiment=· neutral

Jev Playground

Vercel released Jev Playground, a browser-based tool from typesafe-ai/jev that runs on the Vercel AI Gateway and answers text, JSON, questions, Boolean, Choice, and Score prompts in a single parallel pass using a 32K-token context. The playground requires a Vercel AI Gateway API key, supports an auto-accept threshold of 90%, and reports round trip, input tokens, output tokens, and estimated cost per run, with zero data retention listed as unset.

read1 min views1 publishedSep 19, 2026

Jev Playground typesafe-ai/jev · Vercel AI Gateway GitHub Step 1 · Vercel AI Gateway API key Get a key ↗ Show Remember Presets State what Jev looks at — 32K-token context Text JSON Questions all answered in one parallel pass

  • Boolean
  • Choice
  • Score Evaluate ⌘ ↵ Auto-accept ≥ 90% Zero data retention — Round trip — Input tokens — Output tokens — Est. cost Answers Request Response Code Share ↗ Runs this session only Clear Share this result ✕ Show the state text Copy image Download PNG Copy setup link Share…
source & further reading
jevplayground.terrydjony.com — original article
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