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Convex Decision Evals project preview
Benchmarks & research

Convex Decision Evals

Leaderboard that puts Jev and 14 LLMs through 108 four-option multiple-choice questions about the Convex backend platform, comparing accuracy, latency, and cost, with a per-answer explorer showing Jev probabilities.

Convex is an open-source, reactive database that's the best platform for full-stack AI coding.

How it uses Jev

Jev uses OpenRouter's /api/alpha/decisions endpoint with native typed questions; the language models use /api/v1/chat/completions . The hosted Jev configuration pins typesafe/jev-1.13 , records the returned model ID, probabilities, confidence, and provider-reported cost, and sends no chat reasoning or output-token settings. All hosted models use the existing OpenRouter credential. Direct TypeSafe trials remain suppo…

Getting started

Add a single standardised test using the helper:

Languages
TypeScript 85% · JavaScript 15% · CSS 1%
License
Apache-2.0
Latest release
Release 0.432.0
Last activity
Sep 2026
Added
2026-09-24
Stars at snapshot
0
Status
Community listing

Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement. Documentation details extracted from GitHub · the README · the project website.

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