Wald-4B
Copyright 2026 the Wald-4B authors

The weights and the serving code in this repository are licensed under the Apache License, Version 2.0 (see LICENSE).

Base model
  The weights are derived from Qwen/Qwen3.5-4B-Base (https://huggingface.co/Qwen/Qwen3.5-4B-Base), licensed under the
  Apache License, Version 2.0, copyright the Qwen team, Alibaba Cloud. Its licence and notices continue to apply.

Third-party code and text in server/
  server/src/wald_serve/wire.py adapts the request models and the state / option rendering (render, option_text,
  question_keys, to_record) of Kev (https://github.com/jaredpalmer/kev), Copyright Jared Palmer, licensed under the
  Apache License, Version 2.0. Modified: the record carries each question's type and keys; unused fields removed.

  server/src/wald_serve/prompt.py contains the sentence STATE_REPEAT, copied verbatim from simple-jev
  (https://github.com/featherless-ai/simple-jev, commit dae340e, hf-server/hf_prompt_policies.py), licensed under the
  Apache License, Version 2.0. It is used only by the `repeat_state_plain` prompt format.

No benchmark items or training data are included in this repository.

2026-09-29 release: Wald-Q4B 022D0-f7. See PROVENANCE.md for later training-source rights limitations; the code/base license does not grant rights to third-party training texts.

2026-10-01 release: Wald-Q4B v1.2 (02600-f19), a robustness LoRA stage merged into Wald-Q4B 022D0-f7. The inserted training texts of this stage were written by Claude Haiku (Anthropic); see PROVENANCE.md.