key: upstage-solar-2026-01-16
short_name: Upstage Solar License 2026-01-16
name: Upstage Solar License 2026-01-16
category: Permissive
owner: upstage
homepage_url: https://huggingface.co/upstage/Solar-Open-100B/blob/main/LICENSE
spdx_license_key: LicenseRef-scancode-upstage-solar-2026-01-16
ignorable_urls:
  - https://huggingface.co/Upstage/Solar-Open-100B/blob/main/LICENSE
text: "# Upstage Solar License\n\n# Preamble\n\nThe 'Upstage Solar License' (hereinafter referred\
  \ to as \"this License\") was established by Upstage Co., Ltd., incorporated under the laws\
  \ of the Republic of Korea, to encourage the development of open-source software using Solar\
  \ AI models, and is not affiliated with the Apache Software Foundation.\n\nThis License basically\
  \ adopts all provisions of the Apache License, Version 2.0 (hereinafter referred to as \"\
  Apache License 2.0\"), including the principle of allowing commercial use, but prescribes\
  \ minimum strategic conditions for the global expansion of AI technology and the sustainable\
  \ development of the AI ecosystem.\n\nThe key additional condition, as specified in Section\
  \ 4(e), is that if you distribute a \"Derivative AI Model\" based on the \"Work\", you must\
  \ specify the 'Solar' brand. This applies as an exception to Section 6 (Trademarks) of the\
  \ Apache License 2.0.\n\n# TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION\n\n\
  1\\. Definitions.\n\n\"License\" shall mean the terms and conditions for use, reproduction,\
  \ and distribution as defined by Sections 1 through 9 of this document.\n\n\"Licensor\" shall\
  \ mean the copyright owner or entity authorized by the copyright owner that is granting the\
  \ License.\n\n\"Legal Entity\" shall mean the union of the acting entity and all other entities\
  \ that control, are controlled by, or are under common control with that entity. For the purposes\
  \ of this definition, \"control\" means (i) the power, direct or indirect, to cause the direction\
  \ or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty\
  \ percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.\n\
  \n\"You\" (or \"Your\") shall mean an individual or Legal Entity exercising permissions granted\
  \ by this License.\n\n\"Source\" form shall mean the preferred form for making modifications,\
  \ including but not limited to software source code, documentation source, and configuration\
  \ files.\n\n\"Object\" form shall mean any form resulting from mechanical transformation or\
  \ translation of a Source form, including but not limited to compiled object code, generated\
  \ documentation, and conversions to other media types.\n\n\"Work\" shall mean the work of\
  \ authorship, whether in Source or Object form, made available under the License, as indicated\
  \ by a copyright notice that is included in or attached to the work (an example is provided\
  \ in the Appendix below).\n\n\"Derivative Works\" shall mean any work, whether in Source or\
  \ Object form, that is based on (or derived from) the Work and for which the editorial revisions,\
  \ annotations, elaborations, or other modifications represent, as a whole, an original work\
  \ of authorship. For the purposes of this License, Derivative Works shall not include works\
  \ that remain separable from, or merely link (or bind by name) to the interfaces of, the Work\
  \ and Derivative Works thereof.\n\n\"Contribution\" shall mean any work of authorship, including\
  \ the original version of the Work and any modifications or additions to that Work or Derivative\
  \ Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by\
  \ the copyright owner or by an individual or Legal Entity authorized to submit on behalf of\
  \ the copyright owner. For the purposes of this definition, \"submitted\" means any form of\
  \ electronic, verbal, or written communication sent to the Licensor or its representatives,\
  \ including but not limited to communication on electronic mailing lists, source code control\
  \ systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for\
  \ the purpose of discussing and improving the Work, but excluding communication that is conspicuously\
  \ marked or otherwise designated in writing by the copyright owner as \"Not a Contribution.\"\
  \n\n\"Contributor\" shall mean Licensor and any individual or Legal Entity on behalf of whom\
  \ a Contribution has been received by Licensor and subsequently incorporated within the Work.\n\
  \n2\\. Grant of Copyright License.  \nSubject to the terms and conditions of this License,\
  \ each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,\
  \ royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly\
  \ display, publicly perform, sublicense, and distribute the Work and such Derivative Works\
  \ in Source or Object form.\n\n3\\. Grant of Patent License.  \nSubject to the terms and conditions\
  \ of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive,\
  \ no-charge, royalty-free, irrevocable (except as stated in this section) patent license to\
  \ make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where\
  \ such license applies only to those patent claims licensable by such Contributor that are\
  \ necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s)\
  \ with the Work to which such Contribution(s) was submitted. If You institute patent litigation\
  \ against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that\
  \ the Work or a Contribution incorporated within the Work constitutes direct or contributory\
  \ patent infringement, then any patent licenses granted to You under this License for that\
  \ Work shall terminate as of the date such litigation is filed.\n\n4\\. Redistribution.  \n\
  You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium,\
  \ with or without modifications, and in Source or Object form, provided that You meet the\
  \ following conditions:\n\n(a) You must give any other recipients of the Work or Derivative\
  \ Works a copy of this License; and  \n(b) You must cause any modified files to carry prominent\
  \ notices stating that You changed the files; and  \n(c) You must retain, in the Source form\
  \ of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution\
  \ notices from the Source form of the Work, excluding those notices that do not pertain to\
  \ any part of the Derivative Works; and  \n(d) If the Work includes a \"NOTICE\" text file\
  \ as part of its distribution, then any Derivative Works that You distribute must include\
  \ a readable copy of the attribution notices contained within such NOTICE file, excluding\
  \ those notices that do not pertain to any part of the Derivative Works, in at least one of\
  \ the following places: within a NOTICE text file distributed as part of the Derivative Works;\
  \ within the Source form or documentation, if provided along with the Derivative Works; or,\
  \ within a display generated by the Derivative Works, if and wherever such third-party notices\
  \ normally appear. The contents of the NOTICE file are for informational purposes only and\
  \ do not modify the License. You may add Your own attribution notices within Derivative Works\
  \ that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided\
  \ that such additional attribution notices cannot be construed as modifying the License. \
  \ \n(e) If You distribute or make available a Derivative Work that is an artificial intelligence\
  \ model created, trained, fine-tuned, or otherwise improved using the Work (the \"Derivative\
  \ AI Model\"), You must adhere to the following conditions:  \n(i) The name of such Derivative\
  \ AI Model must begin with \"Solar\" (e.g., \"Solar-MyModel-v1\"); and  \n(ii) You must prominently\
  \ display the phrase \"Built with Solar\" in any related websites, user interfaces, or documentation\
  \ associated with the Derivative AI Model; and  \n(iii) You must provide a copy of this License,\
  \ including the original copyright notice and NOTICE file as included in the distribution\
  \ of the Works, alongside the Derivative AI Model.\n\nYou may add Your own copyright statement\
  \ to Your modifications and may provide additional or different license terms and conditions\
  \ for use, reproduction, or distribution of Your modifications, or for any such Derivative\
  \ Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise\
  \ complies with the conditions stated in this License.\n\n5\\. Submission of Contributions.\
  \  \nUnless You explicitly state otherwise, any Contribution intentionally submitted for inclusion\
  \ in the Work by You to the Licensor shall be under the terms and conditions of this License,\
  \ without any additional terms or conditions. Notwithstanding the above, nothing herein shall\
  \ supersede or modify the terms of any separate license agreement you may have executed with\
  \ Licensor regarding such Contributions.\n\n6\\. Trademarks.  \nThis License does not grant\
  \ permission to use the trade names, trademarks, service marks, or product names of the Licensor,\
  \ except as required for reasonable and customary use in describing the origin of the Work,\
  \ reproducing the content of the NOTICE file, and as explicitly required for attribution in\
  \ Section 4(e) of this License.  \nAny use of the “Solar” name under this License must not\
  \ imply any sponsorship, endorsement, certification, or official relationship with the Licensor,\
  \ nor mislead users into believing that a Derivative AI Model is an official product of the\
  \ Licensor.\n\n7\\. Disclaimer of Warranty.  \nUnless required by applicable law or agreed\
  \ to in writing, Licensor provides the Work (and each Contributor provides its Contributions)\
  \ on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied,\
  \ including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT,\
  \ MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining\
  \ the appropriateness of using or redistributing the Work and assume any risks associated\
  \ with Your exercise of permissions under this License.\n\n8\\. Limitation of Liability. \
  \ \nIn no event and under no legal theory, whether in tort (including negligence), contract,\
  \ or otherwise, unless required by applicable law (such as deliberate and grossly negligent\
  \ acts) or agreed to in writing, shall any Contributor be liable to You for damages, including\
  \ any direct, indirect, special, incidental, or consequential damages of any character arising\
  \ as a result of this License or out of the use or inability to use the Work (including but\
  \ not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction,\
  \ or any and all other commercial damages or losses), even if such Contributor has been advised\
  \ of the possibility of such damages.\n\n9\\. Accepting Warranty or Additional Liability.\
  \  \nWhile redistributing the Work or Derivative Works thereof, You may choose to offer, and\
  \ charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations\
  \ and/or rights consistent with this License. However, in accepting such obligations, You\
  \ may act only on Your own behalf and on Your sole responsibility, not on behalf of any other\
  \ Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless\
  \ for any liability incurred by, or claims asserted against, such Contributor by reason of\
  \ your accepting any such warranty or additional liability.\n\nEND OF TERMS AND CONDITIONS\n\
  \n# APPENDIX: How to apply the Upstage Solar License to your work.\n\nTo apply the Upstage\
  \ Solar License to your work, attach the following boilerplate notice, with the fields enclosed\
  \ by brackets replaced with your own identifying information. (Don't include the brackets\\\
  !) The text should be enclosed in the appropriate comment syntax for the file format. We also\
  \ recommend that a file or class name and description of purpose be included on the same \"\
  printed page\" as the copyright notice for easier identification within third-party archives.\n\
  \nCopyright \\[yyyy\\] \\[Upstage AI (or other copyright owner)\\]\n\nLicensed under the Upstage\
  \ Solar License (the \"License\");  \nyou may not use this file except in compliance with\
  \ the License.  \nYou may obtain a copy of the License at\n\n   https://huggingface.co/Upstage/Solar-Open-100B/blob/main/LICENSE\n\
  \nUnless required by applicable law or agreed to in writing, software  \ndistributed under\
  \ the License is distributed on an \"AS IS\" BASIS,  \nWITHOUT WARRANTIES OR CONDITIONS OF\
  \ ANY KIND, either express or implied.  \nSee the License for the specific language governing\
  \ permissions and  \nlimitations under the License.\n\nThis work is based on or derived from\
  \ materials licensed under the  \nUpstage Solar License.  \nIf you distribute or make available\
  \ a Derivative AI Model (as defined  \nin Section 4(e) of the License), your model name must\
  \ begin with \"Solar\"  \nand you must prominently display \"Built with Solar\" in associated\
  \  \ndocumentation or interfaces."