Cal-ICOR hub usage

Citation

Cal-ICOR. “Cal-ICOR Hub Users.” Web page, cal-icor.github.io, “Last updated: 2026-10-25 10:14 PDT”. https://cal-icor.github.io/hub-users-page/. Fetched 2026-10-26. Read 2026-10-26.

Bottom line

13 institutions had “more than 5 users in AY 2026–27”, on 20 hubs. Monthly active users were 1,739 in September 2026.
Users by term grew from 9 (spring 2025) to 1,002 (fall 2025), 1,609 (spring 2026) and 1,907 (fall 2026). Summer use drops to 144 to 179.

Background

See Cal-ICOR homepage and Cal-ICOR.

Key claims

From the chart data in the HTML original:

Summary: “Institutions” 13, “more than 5 users in AY 2026–27 · 20 hubs”; “Users, Fall 2026” 1,907; “Monthly active users” 1,739, “Sep 2026”.
Users by term: Spring 2025, 9; Summer 2025, 179; Fall 2025, 1,002; Spring 2026, 1,609; Summer 2026, 144; Fall 2026, 1,907.
Monthly active users, 2026: March 1,297; April 1,163; May 960; June 272; July 170; August 1,254; September 1,739.

Evidence and method

The program’s own usage page. The Markdown copy has only the chart titles, because the figures are in a script.

Limits

“Users” are active users on “all production hubs”. The page does not define “active”.
No compute hours, cost or capacity.