NanoJev
0.6B replica with parallel decisions, dynamic candidates, and an end-to-end training pipeline.
Benchmarks and evalsPlaygrounds and demos
Home / Open models and replicas
Open models and replicas
29 entries
Useful for: Benchmarks and evals
7mini-jev
Preregistered experiment on a frozen Qwen3-4B: read the option letter's logits, skip the JSON.
Benchmarks and evalsClassification and extraction
Verdict-open-jev
Non-autoregressive decision engine on ModernBERT with calibrated uncertainty and an in-browser WebGPU playground.
Benchmarks and evalsClassification and extraction
jev-on-a-laptop
Study of Jev-style decisions on stock 1.5B to 8B models on a laptop, with a Hugging Face demo.
Benchmarks and evalsPlaygrounds and demos
typesafe-ai-benchmark
LLM gateway that mimics the TypeSafe response shape, useful as a stand-in while you wait for a key.
Benchmarks and evalsOutput verification
open-jev
Typed JSON inference with DiffusionGemma, benchmarked against Jev.
Benchmarks and evalsOutput verification
JevForge
End-to-end stack for auditable data construction, Qwen3.5-0.8B training, fixed Mind2Web and OOD evaluation, local serving, and a preliminary RLCD baseline.
Benchmarks and evalsPlaygrounds and demos
Useful for: Playgrounds and demos
5jevfire
Parallel decisions for CUDA LLMs through a vLLM API, with game-agent examples and benchmarks.
Playgrounds and demosGames and simulation
kev
LoRA adapter and readout head on Qwen2.5-0.5B that answers many typed questions in one prefill; trains in under two hours on a MacBook, held-out ECE 0.065, speaks the TypeSafe wire format.
Playgrounds and demosOpen-model replicas
simple-jev
Reads next-token logits from any Hugging Face model for choice, rubric, and support questions; public demo API with no key.
Playgrounds and demosClassification and extraction
openjev by daseinlabs
Prefills once and scores every option in one padded pass on Gemma 3 4B with MLX; plays Doom from the terminal in the demo.
Playgrounds and demosBenchmarks and evals
PlayJev
Plays ten browser games from the frame alone on a fine-tuned Qwen3.5-0.8B, one forward pass per move, open weights and a browser demo.
Playgrounds and demosBenchmarks and evals
Useful for: Open-model replicas
4reflex
Small open decision model on Qwen3.5: state plus typed questions to calibrated probabilities.
Open-model replicasPlaygrounds and demos
open-alternative-jev
Typed, calibrated decisions from any open-weights model in one forward pass, on Hugging Face and vLLM.
Open-model replicasBenchmarks and evals
OpenJev by razorback16
Jev-compatible decision server on DiffusionGemma 26B through vLLM, images included, hosted free on [Codiv](https://codiv.ai).
Open-model replicasSDK or client library
Useful for: Classification and extraction
3jevmlx
Parallel constrained decisions for any MLX model on Apple Silicon, one forward pass.
Classification and extractionPlaygrounds and demos
system-one-open
Typed calibrated decisions in one forward pass on Gemma 4 E2B and Gemma 3 270M.
Classification and extractionPlaygrounds and demos
von
Non-autoregressive open decision model reporting under 15 ms locally, as a drop-in alternative to Jev.
Classification and extractionOpen-model replicas
Useful for: SDK or client library
3openjev-sglang
Jev-compatible API endpoint on SGLang, prefill only.
SDK or client libraryPlaygrounds and demos
litjev
Turns any off-the-shelf LLM into a Jev-style decision layer.
SDK or client libraryPlaygrounds and demos
jeff by logan-markewich
Self-hosted System One API on the 400M GLiFormer, with benchmarks that say where it trails Jev.
SDK or client libraryOpen-model replicas
Useful for: Tool gating and guardrails
3SemIf
Semantic ifs from open models on a single 3090; the most starred independent replica, formerly openjev.
Tool gating and guardrailsClassification and extraction
jevlike
Open option scorer that reads candidate logits instead of generating JSON.
Tool gating and guardrailsPlaygrounds and demos
openvons
Open decision layer answering a finite option set with probabilities split into execute, confirm, and reject. Independent replica, not TypeSafe weights.
Tool gating and guardrailsVoice and realtime
Useful for: Command line tooling
1jev-visual
Educational visual-inference variant on Apple Silicon: shared context, direct candidate scoring.
Command line toolingSDK or client library
Useful for: Model routing
1jevbetter
A stronger one-pass scorer with a head-to-head benchmark against the jevlike starter design.
Model routingBenchmarks and evals
Useful for: Output verification
1openjev by zhihz
Bilingual local decisions from context, questions, and candidate answers.
Output verificationBenchmarks and evals
Everything else
1Parallel constrained decoding
Hugging Face Space demonstrating RLCD-style parallel decoding on Qwen2.5-1B.