{"cik":1847367,"taxonomy":"us-gaap","tag":"ContractWithCustomerLiabilityCurrent","label":"Contract with Customer, Liability, Current","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.","entityName":"Alumis Inc.","units":{"USD":[{"end":"2025-12-31","val":1458000,"accn":"0001847367-26-000006","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-19"},{"end":"2025-12-31","val":1458000,"accn":"0001847367-26-000010","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6328000,"accn":"0001847367-26-000010","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2026Q1I"}]}}