key: bilibili-model-ula-2025-09-09
short_name: bilibili Model ULA 2025-09-09
name: bilibili Model Use License Agreement 2025-09-09
category: Proprietary Free
owner: Bilibili-IndexTTS
homepage_url: https://github.com/index-tts/index-tts/blob/main/LICENSE
spdx_license_key: LicenseRef-scancode-bilibili-model-ula-2025-09-09
text_urls:
  - https://raw.githubusercontent.com/index-tts/index-tts/refs/heads/main/LICENSE
other_urls:
  - https://github.com/index-tts/index-tts
ignorable_urls:
  - https://github.com/index-tts/index-tts
text: "bilibili Model Use License Agreement\n\nBy clicking “I agree” to this bilibili Model\
  \ Use License Agreement (“this Agreement”) , or by otherwise using any portion or element\
  \ of the Model or any Derivative Work, you will be deemed to have recognized and accepted\
  \ the content of this Agreement, which is effective immediately. If you do not agree to this\
  \ Agreement, you must immediately cease all use and permanently delete the Model and any Derivative\
  \ Works.\n\n1. Definitions\n1.1 “This Agreement”: means the bilibili Model Use License Agreement,\
  \ including all of its terms and conditions.\n1.2 “We”, “us”, or “our”: means bilibili , the\
  \ original right-holder of the Model.\n1.3 “You”: means any natural person or legal entity\
  \ exercising rights granted by this Agreement and/or using the Model for any purpose and in\
  \ any field of use.\n1.4 “Model”: means the artificial-intelligence model named “bilibili\
  \ indextts2”, including but not limited to model weights and final code, in each case only\
  \ to the extent that such components are published by us at https://github.com/index-tts/index-tts.\n\
  1.5 “Derivative Work”: means any derivative of the Model, including without limitation:\n\
   (i) any modification of the Model, model outputs, or their derivatives;\n (ii) any work based\
  \ on the Model, model outputs, or their derivatives; \n (iii) any other machine learning model\
  \ which is created by re-training, fine-tuning, quantizing, LoRA, parameter-efficient fine-tuning,\
  \ or any other method involving incremental weights or merged checkpoints, in each case based\
  \ on the Model, model outputs, or their derivatives.\n1.6 “Use”: means downloading, copying,\
  \ training, modifying, creating Derivative Works, distributing, publishing, running, fine-tuning,\
  \ publicly displaying, communicating to the public, or otherwise exploiting the Model or any\
  \ Derivative Work.\n\n2. Scope of License and Restrictions\n2.1 Subject to the terms and conditions\
  \ of this Agreement, we grant you a worldwide, non-exclusive, non-transferable, royalty-free\
  \ limited license to Use the Model or any Derivative Work based on the intellectual properties\
  \ or other rights owned by Us embodied in the Model or any Derivative Work.\n2.2 If You intend\
  \ to Use, or have already Used, the Model or any Derivative Work, and either (i) your or any\
  \ of your Affiliates’ products or services had more than 100 million monthly active users\
  \ in the immediately preceding calendar month, or (ii) your or any of your Affiliates’ annual\
  \ revenue in the immediately preceding calendar year exceeded RMB 1 billion, You must request\
  \ a separated license from us, which We may grant to You in our sole discretion. You are not\
  \ authorized to exercise any of the rights under this Agreement unless and until We have expressly\
  \ granted You such rights in writing.\n2.3 This Agreement is an open-source license for the\
  \ Model in which we possess intellectual properties and other rights. It governs your Use\
  \ of the Model only and does not limit any rights that we have regarding the Model.\n\n3.\
  \ Disclaimer and Risk Allocation\n3.1 The Model and any outputs generated thereby are provided\
  \ “AS IS,” without warranty of any kind, express or implied, including but not limited to\
  \ warranties of merchantability, fitness for a particular purpose, non-infringement, absence\
  \ of errors or omissions, continuity, accuracy, reliability, or stability. You are solely\
  \ responsible for determining the appropriateness of using or redistributing the Model and\
  \ assume all risks associated with exercising any rights granted under this Agreement.\n3.2\
  \ You shall bear sole responsibility for any infringement, illegality, breach of contract,\
  \ damages, fines, regulatory investigations, or other liabilities (including, without limitation,\
  \ infringement of third-party patents, copyrights, trademarks, trade secrets, personality\
  \ rights, data-protection rights, or any other rights) arising out of or related to your Use\
  \ of the Model or any outputs generated thereby. We assume no joint, several, supplementary,\
  \ or advance payment liability.\n3.3 Under no circumstances shall we be liable to you or any\
  \ third party for any direct, indirect, incidental, special, punitive, or consequential damages\
  \ (including, without limitation, loss of data, business interruption, or loss of profits)\
  \ arising out of or related to the Use of the Model, even if we have been advised of the possibility\
  \ of such damages.\n3.4 Additional Obligations for You and Downstream Recipients\na) You must\
  \ ensure that any downstream recipient of the Model or any Derivative Work that you distribute\
  \ complies with this Agreement, and you must impose appropriate contractual terms on such\
  \ downstream recipients. If any downstream recipient breaches this Agreement, you shall be\
  \ responsible for the consequences thereof.\nb) You must retain all original copyright notices\
  \ and a copy of this Agreement in every copy of the Model or any Derivative Work that you\
  \ Use.\nc) You may not Use the bilibili indextts2 or any Derivative Work to improve any AI\
  \ model, except for the bilibili indextts2 itself, its Derivative Works，or non-commercial\
  \ AI models.\n\n4. Compliance Obligations\n4.1 Usage Restrictions\na) If you distribute a\
  \ Derivative Work, you must clearly state in the distribution page or accompanying documentation:\
  \ “Any modifications made to the original model in this Derivative Work are not endorsed,\
  \ warranted, or guaranteed by the original right-holder of the original model, and the original\
  \ right-holder disclaims all liability related to this Derivative Work.”\nb) If your Use of\
  \ the Model or any Derivative Work incorporates any third-party data or weights, you must\
  \ obtain all necessary authorizations on your own and bear full responsibility for compliance.\n\
  c) You may not Use the Model or any Derivative Work for any purpose that violates the laws\
  \ or regulatory requirements of the jurisdiction where the outputs and/or the Model are generated\
  \ or used (including, without limitation, generating false information, discriminatory content,\
  \ or content that infringes privacy).\nd) If the Model or any Derivative Work is capable of\
  \ generating content, you must ensure that such content does not violate the laws or regulatory\
  \ requirements of the applicable jurisdiction (including, without limitation, generating false\
  \ information, discriminatory content, or content that infringes privacy).\n4.2 Prohibited\
  \ High-Risk Use\nYou must ensure that the Model and any Derivative Work are not deployed,\
  \ directly or indirectly, in high-risk scenarios such as medical diagnosis, autonomous driving,\
  \ military applications, critical-infrastructure control, large-scale biometric surveillance,\
  \ or automated decision-making (e.g., credit or employment evaluations). If you insist on\
  \ such deployment, you must independently complete all compliance obligations under applicable\
  \ laws and regulations (including but not limited to GDPR, CCPA, HIPAA, export-control laws,\
  \ and AI-specific regulations), and we shall bear no liability for any consequences arising\
  \ therefrom.\n4.3 Infringement Liability\nShould any third party raise claims against you\
  \ with respect to any Derivative Work you develop or your Use of the Model or any Derivative\
  \ Work, you shall bear full and independent responsibility for defending against and resolving\
  \ such claims. If your actions cause us to incur any third-party claims, administrative penalties,\
  \ or other losses, you shall indemnify us for all losses we thereby suffer, including but\
  \ not limited to attorney fees, litigation costs, damages, and fines, and shall take all necessary\
  \ measures to eliminate any adverse impact on us.\n\n5. Reserved Rights\n5.1 We reserve the\
  \ right to revoke the license granted to you under this Agreement in the event of your breach.\
  \ Upon revocation, you must immediately cease all Use and permanently delete all copies of\
  \ the Model and any Derivative Work. Sections 3 and 6 of this Agreement shall survive termination\
  \ of this Agreement under this circumstance.\n5.2 Nothing in this Agreement grants you any\
  \ right to use our trade names, trademarks, service marks, or product names, except as reasonably\
  \ and customarily required to describe the origin of the Model or any Derivative Work—such\
  \ as reproducing the content of a NOTICE file under Section 3.4 of this Agreement.\n5.3 If\
  \ you or any of your Affiliates institutes or participates in any legal proceeding (including\
  \ any cross-claim or counterclaim in a lawsuit) against us or any of our Affiliates, alleging\
  \ that the Model or any output or any portion thereof infringes any intellectual property\
  \ or other rights that you own or control, all licenses granted to you under this Agreement\
  \ shall terminate automatically as of the date such proceeding is filed.\n\n6. Governing Law\
  \ and Dispute Resolution\n6.1 This Agreement shall be governed by and construed in accordance\
  \ with the laws of the People’s Republic of China.\n6.2 In the event of any dispute arising\
  \ out of or in connection with this Agreement, the parties shall first attempt to resolve\
  \ such dispute through friendly negotiation. If negotiation fails, the dispute shall be submitted\
  \ to the Shanghai Arbitration Commission for arbitration in accordance with its then-effective\
  \ arbitration rules. The arbitration award shall be final and binding on both parties. The\
  \ prevailing party shall be entitled to recover reasonable costs, including notarization and\
  \ investigation fees, arbitration costs, attorneys’ fees, and travel expenses.\n\n7. Severability\n\
  If any provision of this Agreement is held to be invalid or unenforceable, the remaining provisions\
  \ shall remain in full force and effect. The invalid or unenforceable provision shall be replaced\
  \ with a valid and enforceable provision that, to the maximum extent permitted by law, most\
  \ closely reflects the original intent of the invalid or unenforceable provision.\n\n8. Version\
  \ Updates\nWe may release new versions of the AI Model Use License Agreement. Any new version\
  \ will apply only to Uses occurring after the date of its release. If you obtained the Model\
  \ under an earlier version, the new version will not have retroactive effect; nevertheless,\
  \ you are encouraged to adopt the new version voluntarily.\n\n9. Language Version\nIn the\
  \ event of any discrepancy or conflict between the English-language version set forth above\
  \ and the Chinese-language version of this bilibili Model Use License Agreement, the Chinese-language\
  \ version shall prevail for all purposes and shall govern the rights and obligations of the\
  \ parties."