================================================================================================
    THIRD-PARTY LICENSES AND NOTICES
================================================================================================

ace-step-1.5.wgsl itself is distributed under the MIT license in `LICENSE`.
The model preparation tool downloads separately licensed upstream artifacts;
generated browser packages are modified forms of those artifacts. Generated
weights are not included in this source repository.

================================================================================================
    ACE-STEP 1.5 — MIT
================================================================================================

Source code and model artifacts:

https://github.com/ace-step/ACE-Step-1.5
https://huggingface.co/ACE-Step/Ace-Step1.5
https://huggingface.co/ACE-Step/acestep-5Hz-lm-0.6B

Pinned identities are recorded in `PLAN.md`, `AGENTS.md`, and the model source
contract. Attribution: ACE-Step 1.5 by the ACE-Step project, co-led by ACE
Studio and StepFun.

MIT License

Copyright (c) 2026 ACEStep

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

================================================================================================
    QWEN3 / QWEN3-EMBEDDING — APACHE LICENSE 2.0
================================================================================================

ACE-Step's text encoder and 0.6B semantic planner are derived from Qwen3 family
models. The upstream Qwen open-weight models are licensed under Apache License
2.0.

Attribution: Qwen3 and Qwen3-Embedding by the Qwen Team, Alibaba Cloud.

https://huggingface.co/Qwen/Qwen3-0.6B
https://huggingface.co/Qwen/Qwen3-Embedding-0.6B
https://www.apache.org/licenses/LICENSE-2.0

The complete Apache License 2.0 text is committed at
`model/licenses/Apache-2.0-LICENSE` and is copied into every generated browser
model package together with the Qwen notice. Before an npm release, include
the same applicable license and notice material in the distributed bundle.