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| THIRD-PARTY LICENSES AND NOTICES |
| ================================================================================================ |
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|
| 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. |
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| ================================================================================================ |
| ACE-STEP 1.5 — MIT |
| ================================================================================================ |
|
|
| Source code and model artifacts: |
|
|
| https: |
| https: |
| https: |
|
|
| 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: |
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| The above copyright notice and this permission notice shall be included in all |
| copies or substantial portions of the Software. |
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| 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. |
|
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| ================================================================================================ |
| 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. |
| |
