razorback16/openjev
Open, Jev-compatible System One decision server on DiffusionGemma
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README & documentation
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Fast, calibrated, typed decisions from an open model. OpenJev is an open-source "System One" decision server. Send it a state and typed questions (yes/no, choice, score). It returns a probability and a confidence for each answer in tens of milliseconds. It reads the answers directly from the model's probabilities and parses no text, so an answer cannot go off-schema. Questions can also ask about images. OpenJev uses the same wire API as TypeSafe's Jev, so their SDKs work with it unchanged. It also answers OpenAI's Decisions API, so the OpenAI SDKs' client.decisions.create works too. It runs DiffusionGemma 26B-A4B (Apache-2.0) through vLLM on an NVIDIA GPU, or through MLX on Apple silicon. OpenJev is an independent project. It is not affiliated with or endorsed by TypeSafe AI. diffusiongemma-26b is the same DiffusionGemma for text generation. All weights are Apache-2.0. Laya, Verdict, CLM, JevK5 and Clef are other people's models: see Small…
Read the full README ↗ · Preview checked 2026-11-05T10:21:33.871Z
Inside the original README — Document outline
- OpenJev
- Models
- Try it
- API
- Extensions
- OpenAI Decisions API
- Text generation
- How it works
- Run your own
- NVIDIA GPU
- Performance
- Apple silicon
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Documentation belongs to its respective authors. Reported project/model license: Apache-2.0. A listing is not a grant of reuse or training rights. Confirm the document’s own terms at the source.
What this repository does
Open, Jev-compatible System One decision server on DiffusionGemma
Repository facts
- Owner
- razorback16
- Primary language
- Python
- Stars
- 411
- Forks
- 33
- Open issues + pull requests
- 3
- License
- Apache-2.0
- Archived
- No
- Default branch
- main
- Created
- 2026-09-18T09:15:33.000Z
- Last push
- 2026-09-24T19:48:26.000Z
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Source and freshness
Source: GitHub. Metadata observed 2026-09-25T12:03:43.116Z. Daily imports are snapshots, not real-time monitoring.
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