GradeChumEngineeringPresentQ3 · 2026 · archive
Goal #02Cost Optimization

25% Cost Reduction Target

Reduce the AI usage cost per user by 25% from the June 2026 starting point.

Cost per Teacher / Month

$0.744

Baseline $2.580 · Target $1.935
Progress toward 25% goal
▼ 71.2% — Goal met
Cost per Student / Month

$0.0556

Baseline $0.1020 · Target $0.0765
Progress toward 25% goal
▼ 45.5% — Goal met
Total Monthly Spend

$1597.78

756 teachers + 18,629 students · 2026-10

6 monthly snapshots recorded
Cost Trend — $/user/month
Teacher target
Student target
Add Monthly Snapshot

Record actual spend figures for a given month to track progress against the 25% reduction goal.

e.g. 2026-07 (year-month)

Teachers
Students
Monthly Snapshot History

Rows highlighted in green have reached the 25% target. ▼ = cost reduced (good) · ▲ = cost increased (needs action).

MonthTeachersTeacher Total$/Teachervs StartStudentsStudent Total$/Studentvs Start
2026-11
month-to-date

auto · GCP billing + active users · month-to-date through 2026-11-05

179$48.94$0.273—2,274$192.95$0.0849—
2026-10

auto · GCP billing + active users

756$562.23$0.744▼ 71.2%18,629$1035.55$0.0556▼ 45.5%
2026-09

auto · GCP billing + active users

409$351.15$0.859▼ 66.7%15,644$992.66$0.0635▼ 37.8%
2026-08

auto · GCP billing + active users

115$1985.72$17.267▲ 569.3%5,843$487.48$0.0834▼ 18.2%
2026-07

auto · GCP billing + active users

169$375.81$2.224▼ 13.8%2,513$439.54$0.1749▲ 71.5%
2026-06
original
162$417.82$2.579—3,705$378.41$0.1021—