SemIf open-sources Jev-style semantic ifs: 4B model runs on a single 3090, browser demo live
Hacubu · x · 2026-09-22
SemIf (formerly OpenJev, unaffiliated with Jev/TypeSafe) skips the Jev waitlist entirely: you can try it in your browser today, and the repo has 3k GitHub stars.
The core idea: most agent decisions are small — routing, retrying, checking if evidence supports a claim. A chat model wastes tokens generating text that software just parses back into an if. SemIf instead runs a frozen 4B open model that produces typed semantic conditionals directly, on a single 3090 at home. The repo includes benchmarks, a WebGPU demo, an exl3-bridge, and an independent replay of the same 21 Jev questions with state aligned at t=0.
Related event: Open-Source SemIf Runs 4B Model on a Single RTX 3090 as Jev Alternative(3 posts)→
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