Open decision models and reproductions with decision models
Open-weight models and reimplementations that give typed decisions with option probabilities, usually fine-tuned small LLMs or encoders.
351 public projects · page 7 of 12
Ollama-style runtime that pulls System One decision models from Hugging Face and serves them locally behind /v1/systemone.
LibrarybetaPythonOneJev: open multimodal System One model (0.8B-27B) answering typed questions about screenshots, photos, video and text in one pass.
ModelbetaPythonOpen-Jev: open typed-decision models (2B, 9B, 27B v1.1) returning candidate probabilities without generation, with a no-code workbench.
ModelbetaPythonOpen calibrated decision models from 400M to 80B with Jev-compatible server, MCP server and clients, benchmarked against Jev.
ModelbetaPythonOpenJev 1.7B-8B: open decision models distilled for general decisions and browser-agent steps, served behind /v1/systemone.
ModelbetaPythonOpenJev on Hugging Face: open-weights decision model for text, web pages and screenshots with up to 52 options per forward pass.
ServicebetaPythonJev- and OpenAI-Decisions-compatible System One server on DiffusionGemma 26B-A4B, also serving Laya, Clef and other open models.
LibrarybetaPythonLocal Jev-compatible API on a Mac: Qwen via llama.cpp/Metal reads one output token per question for text and image decisions.
ModelbetaPythonNative Swift port of OpenJev: a Jev-compatible /v1/systemone server on Apple Silicon Macs and libraries for on-device iPhone decisions.
ServicebetaSwiftOpen Thai and English System One model: Qwen3.5-0.8B with a 256-way slot-softmax head, served with a /v1/systemone-compatible API.
LibrarybetaPythonJev-style choice-plus-probabilities from GLM-5.3-Flash in one forward pass, in Edgeless Systems' confidential-computing API.
ServicebetaPythonFamily of open decision models from 153M to 31B that pick one option per question with calibrated probabilities in the /v1/systemone shape.
ModelbetaPythonOpen, local Jev-style server on llama.cpp that returns typed decisions from a fine-tuned Spark-X2.5-4B without generating tokens.
ModelbetaPythonLocal Jev-compatible /v1/systemone server that reads typed answers from the logits of any MLX or OpenAI-compatible model, no training.
LibrarybetaPythonStandard Thinking's Apache-2.0 3B and 8B decision models on Ministral 3 that score bounded answers via /v1/systemone, with vision.
ServicebetaPythonRust server on candle that serves open decision models like Laya and Clef behind a System One-compatible API with dynamic batching.
ServicebetaRustRuns Laya System 1 models on a Mac's GPU in Rust with custom Metal kernels, serving the same /v1/systemone API as laya serve.
ModelbetaRustOpen 596M and 4B decision models that answer Choice, Score and Noul in one pass locally, with calibrated confidence for escalation.
ServicebetaPythonApache-2.0 118M multilingual decision model for Choice, Score and Noul on the System One API, with conformal abstain.
ModelbetaPythonApache-2.0 395M ModernBERT System One model serving calibrated Choice, Noul and Score locally as a drop-in /v1/systemone replacement.
ServicebetaPython, TypeScriptApache-2.0 ModernBERT decision model answering Noul, Choice, Score and multi-label questions, with a local Jev-compatible server.
ServicebetaPython- OpenJevPro★ 42
OpenJevPro: typed Choice/Noul/Score API over open LLMs, Laya or Jev with order-invariant scoring and a System 2-to-1 distillation flywheel.
ServiceprototypePython Claude Code plugin where a local decision model (Laya, or Jev) flags profane or abusive prompts and an instruct model rewrites them.
ModelprototypeFree, rate-limited Hugging Face endpoint serving DiffusionGemma decisions in the /v1/systemone format without fine-tuning.
ServiceprototypeDeploys DiffusionGemma-Jev behind a TypeSafe-compatible API on a Cloud Run GPU, with snake, dino and tetris demos.
ServiceprototypePythonCPU port of SemIf that reads typed decisions from a small open model's option logits on a laptop, with a web UI.
ModelprototypePythonTiny /v1/systemone-compatible decision server: a 7M-parameter CPU model in an 8 MB native binary, with conformal abstention.
ModelprototypeMFLUnofficial proof of concept serving Jev's /v1/systemone shape from a local BERT-style zero-shot classifier, with honest caveats.
ServiceprototypePythonKotlin NES emulator whose agent plays Super Mario Bros. and Final Fantasy, with a local model choosing from the goals that apply each turn.
ModelprototypeKotlinGitHub Next's Bun server that exposes a Jev-compatible /v1/systemone API by asking DiffusionGemma for probabilities via a chat endpoint.
ServiceprototypeTypeScript