OpenJeff Copyright 2026 OpenJeff contributors Original OpenJeff code is licensed under Apache License 2.0. research/snapshots contains separately attributed, unmodified research reference material. JevBench material retains its MIT license and third-party notices; djev reference material retains its Apache-2.0 license and NOTICE. Model cards, configuration metadata and foundation weights retain their upstream terms. research/vendor/djev contains the pinned Apache-2.0 Djev implementation with its LICENSE and NOTICE. OpenJeff LoRA weights and original synthetic adaptation data are provided under Apache-2.0; the Gemma base retains its upstream license. The source manifest records exact URLs and SHA-256 hashes. No foundation model weights are included in this repository. OpenJeff is independent of TypeSafe AI, Google, NVIDIA, Ai2, and the owners of 22 Jump Street. References identify sources and inspiration, not endorsement.