Jev-like models: open source Jev projects

Where to start

All 42 Jev-like models projects

Sorted by GitHub stars, which belong to the whole repository rather than its Jev integration.

1. SemIf-OpenJevTheoLeeCJ/SemIf-OpenJevSemantic ifs from open models, on a 3090 at home. Independent; not affiliated with Jev or TypeSafe.★ 4,279
   Python
2. kevjaredpalmer/kevTrainable family of small Qwen-based Jev-like decision models with typed primitives, datasets, evaluation tools, and local inference.★ 4,081
   Python
3. SemIfTheoLeeCJ/SemIfSemantic ifs from open models, on a 3090 at home. Independent; not affiliated with Jev or TypeSafe.★ 3,808
   Python
4. Bespoke Nimblebespokelabsai/nimbleOpen data, training recipe, and a 9B model for Jev-style choice and true/false decisions on Apple Silicon or NVIDIA GPUs.★ 1,619
   Python
5. LocalJevgithubnext/localjevLocal Jev-compatible System One API that converts typed questions into DiffusionGemma classification prompts and probabilities.★ 728
   TypeScript
6. Simple Jevfeatherless-ai/simple-jevOpen-model Jev-style server that reads next-token logits to return typed choices, rubric scores, and truth judgments.★ 482
   Python
7. rizzo-flowRizzo-AI-Academy/rizzo-flowThe open, local take on Jev: typed decisions from an LLM, without generating a single token★ 343
   Python
8. openjevrazorback16/openjevAn independent System One decision server compatible with Jev’s API, running an open DiffusionGemma model.★ 313
   Python
9. Laya for Nodereceptron/layaRuns Laya, an open Jev-compatible System One model, from Node.js and TypeScript through ONNX Runtime.★ 285
   TypeScript
10. openjev-sglangekzhang/openjev-sglangJev-compatible API server built on open models and SGLang, with prefill-only inference and typed decision endpoints.★ 269
    Python
11. jefflogan-markewich/jeffSelf-hosted Jev-compatible System One server backed by GLiNER-family models, with batching and typed question support.★ 217
    Python
12. DeepOpendeepopen-com/deepopenA router and presets over Convai's Laya checkpoints, packaged as its own engine.★ 206
    Python
13. djev-sparkmmastrac/djev-sparkDiffusionGemma NVFP4 structured decisions on a DGX Spark: container recipe No repository-level license file was found during review.★ 172
    HTML
14. LLM2JevYinsongxu/LLM2JevAdapter that turns local language models into Jev-style Choice, Score, and Noul decision engines with typed probabilities.★ 135
    Python
15. jevk5allebee/jevk5JevK5: open-weight alternative to TypeSafe Jev. Typed decisions with probabilities in one forward pass; Apache-2.0 weights and code.★ 106
    Python
16. OpenJev (SiliconLabAI)SiliconLabAI/OpenJevApproximates the System One contract on top of any logprob-capable model: a fixed answer space, each option scored independently, all questions in parallel.★ 99
    TypeScript
17. OpenDecisiondeepanwadhwa/OpenDecisionOpen semantic decision engine implementing Choice, Noul, and Score primitives with a TypeSafe comparison harness.★ 53
    Python
18. OpenThai-SystemOneiapp-technology/openthai-systemoneOpen Thai-English System One model with Choice inference, calibration, evaluation scripts, and a Jev comparison suite.★ 42
    Python
19. Open Jev (intikhab49)intikhab49/open-jev-typed-decision-engineA 150M encoder trained to answer typed questions in one pass, with the training notebook written to run on a free GPU.★ 40
    Python
20. Dev-0.4Bmpnikhil/dev-0.4bA 399M bidirectional encoder with one universal choice head, answering Choice, Noul and Score in a single forward pass. Every README figure reconciles to an evaluation JSON shipped in the repository.★ 33
    Python
21. djev-runtaeold/djev-runServes DiffusionGemma-Jev behind a compatible API on Cloud Run, with a small game demo on top.★ 33
    HTML
22. solar-mini4-jevhunkim/solar-mini4-jevPuts Upstage's Solar Mini4 behind Jev's `/v1/systemone` shape, bring your own Upstage key. Its benchmark grades against a third-party judge rather than a peer model's answers, and every published figure recomputes from the artifacts committed with it.★ 31
    Python
23. OpenSourceJevsabeel111/OpenSourceJevResearch experiment in local System One decisions through llama.cpp logits projection on consumer hardware.★ 30
    Python
24. JevBERThawkymisc/typed-decision-bertA local server that speaks Jev's `/v1/systemone` shape from a BERT encoder, with a numbered account of every request it refuses that Jev might accept.★ 29
    Python
25. open-jev (JoshuaSP)JoshuaSP/open-jevTyped JSON inference with DiffusionGemma, with Every and Jev benchmark results.★ 27
    Python
26. DohnutsPsiACE/dohnutsSmall multimodal models for direct decisions on text, documents and images. Its model card publishes the benchmark it loses and states that its confidence field is not a measured probability of correctness. Weights are CC BY-NC-SA.★ 23
    Python
27. AnyJevnokia-applied-research/AnyJevTraining-free Jev-style typed decisions from LLM next-token probabilities. L0 uses cyclic option rotations and label-prior correction to reduce bias without labels; L1 fits temperature calibration using labeled examples. No base-model fine-tuning; calibration and order stability are not universal guarantees.★ 23
    Python
28. OpenJevProzhangcy122/OpenJevAsks an Ollama or OpenAI-compatible model to write a likelihood score per candidate, then softmaxes them with a fixed temperature. PolyForm Noncommercial, not an open-source licence.★ 22
    HTML
29. Jev LocalArgos1111/jev_localA local `/v1/systemone` server with two backends: an LFM model zero-shot, and a fine-tuned ModernBERT-Ja cross-encoder. Japanese documentation.★ 20
    Python
30. choosekitNotXf1le/choosekitScores a finite set of choices with a model you already run in llama.cpp and returns a typed decision with a probability distribution.★ 19
    JavaScript
31. tinyjevankit-aglawe/tinyjevA tiny jev-like model that answers Choice, Score and Noul questions in one forward pass and returns calibrated probabilities. MLX or PyTorch, fully offline, System One compatible.★ 16
    Python
32. JEV-CPUleesk212/JEV-CPUA CPU port of SemIf that swaps only the model loader and reuses the scoring code unchanged, so you can read a decision out of a small model's option logits on a laptop with no GPU.★ 16
    Python
33. open-spark-jevabhishek085/open-spark-jevOpen local System One implementation for NVIDIA DGX Spark, with a Qwen3-based model, Jev-compatible API, architecture notes, and evaluation tooling.★ 14
    Python
34. rulingbradAGI/rulingTyped, calibrated decisions from a local model. No text generated.★ 6
    Python
35. poorjevrupeshpoojary9/poorjevLocal Jev-like System One decision layer that returns typed choices and calibrated confidence without a hosted API.★ 6
    Python
36. edgejevyzfly/edgejevLocal Jev-like typed-decision runtime using ONNX and quantized models for offline CPU inference.★ 6
    Python
37. OpenJev (xingwudao)xingwudao/OpenJevOpenJev: an independent Jev-inspired System One decision API based on TypeSafe.ai concepts. Choice, score and noul primitives, local mock server, Python and TypeScript SDKs. Real inference planned; not affiliated with TypeSafe AI. No repository-level license file was found during review.★ 5
    Python
38. jev-localus/jev-localLocal Jev-compatible evaluation server: POST /v1/systemone with typed noul/choice/score, open weights, no waitlist No repository-level license file was found during review.★ 3
    Python
39. QwevHopLee6/QwevQwev: A Training-Free, Qwen-Based Jev.★ 2
    Python
40. verdictManavarya09/verdictSmall, fast, honest decision models. Open alternative to Jev: zero-shot, fit on your labels in seconds, calibrated with a coverage guarantee, Jev wire-compatible.★ 1
    Python
41. jevtppwiatrM/jevtppJev-like decisions. Strong C++ types.★ 1
    C++
42. GroundingJevxyzzzh/GroundingJevJev-inspired non-autoregressive visual grounding with Qwen3.5-0.8B and continuous box regression.★ 1
    Python

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