|  | Free readership rights to all articles immediately upon publication | Generous reuse & remixing rights (e.g., CC BY license) | Author holds copyright with no restrictions | Author may post any version to any repository or website with no delay | Journals make copies of all articles automatically available in trusted third-party repositories (e.g.,PubMed Central, OpenAire, institutional) immediately upon publication | Article full text, metadata, supporting data (including format and semantic markup) & citations may be accessed via API, with instructions publicly posted |  | 
              
                |  | Free readership rights to all articles after an embargo of no more than 6 months | Reuse, remixing, & further building upon the work subject to certain restrictions & conditions (e.g., CC BY-NC & CC BY-SA licenses) | Author retains/publisher grants broad rights, including author reuse (e.g., of figures in presentations/teaching, creation of derivatives) and authorization rights (for others to use) | Author may post some version (determined by publisher) to any repository or website with no delay | Journals make copies of all articles automatically available in trusted third-party repositories (e.g., PubMed Central, OpenAire, institutional) within 6 months | Article full text, metadata, & citations may be accessed via API, with instructions publicly posted |  | 
              
                |  | Free readership rights to all articles after an embargo greater than 6 months | Reuse (no remixing or further building upon the work) subject to certain restrictions and conditions (e.g., CC BY-ND license) | - | Author may post some version (determined by publisher) to any repository or website with some delay (determined by the publisher) | Journals make copies of all articles automatically available in trusted third-party repositories (e.g., PubMed Central, OpenAire, institutional) within 12 months | Article full text, metadata, & citations may be crawled without special permission or registration, with instructions publicly posted |  | 
              
                |  | Free and immediate readership rights to some, but not all, articles (including “hybrid” models) | Some reuse rights beyond fair use for some, but not all, articles (including “hybrid models”) | Author retains/publisher grants limited rights for author reuse (e.g., of fi gures in presentations/teaching, creation of derivatives) | Author may post some version (determined by publisher) to certain repositories or websites, with or without delays | Journals make copies of some, but not all, articles automatically available in trusted third-party repositories (e.g., PubMed Central, OpenAire, institutional) within 12 months | Article full text, metadata, & citations may be crawled with permission, with instructions publicly posted |  | 
              
                |  | Subscription, membership, pay-per-view, or other fees required to read all articles | No reuse rights beyond fair use/dealing or other limitations or exceptions to copyright (All Rights Reserved) | Publisher holds copyright, with no author reuse beyond fair use | Author may not deposit any versions to any repositories or websites at any time | No automatic posting in third-party repositories | No full text articles available for crawling |  |