For your budget planning, rates for the 2026 calendar subscription year are posted below and can be downloaded in Excel. Subscriptions include access to the full contents of the 18th and 17th editions.
Download Excel Spreadsheet of CMOS Online 2026 Rates
The Chicago Manual of Style Online / The CSE Manual Online Combination Package Offer
Institutional and corporate subscribers to CMOS Online can add The CSE Manual Online at a 50% discount for the first year.
View CMOS + CSE Online Combination Package 2026 Rates
Institutions and Corporations: 2025 rates remain in effect until December 31, 2025. Fall 2025 renewals for the 2026 calendar year will be billed at the 2026 rate. 2026 rates are effective January 1, 2026.
Individuals and Small-Groups: New rates are effective October 1, 2025.