78% of the journal articles published by our researchers in 2023 were open-access, compared to 66% in 2022, 52% in 2021, and 35% in 2020. This progress is driven by our Read and Publish agreements with major publishers, the OA mandates of many funders, and the conviction of most researchers that open-access publishing is good for them. But is this “gold route” sustainable in the long term?