Source control
What does 400 GitHub seats cost in 2026?
At list pricing on the Enterprise plan ($21/seat/mo, billed annual), 400 seats run $8,400/month or $100,800/year. Real invoices vary with negotiated discounts, add-ons, and mid-cycle changes.
Monthly
$8,400
Annual
$100,800
Typical shelfware (18%)
$18,144/yr
All GitHub plans at 400 seats
| Plan | Per seat/mo | Total monthly | Total annual |
|---|---|---|---|
Free Unlimited public repos, 2,000 Actions min/mo | $0 | $0 | $0 |
Team Private repos, code review tools, 3,000 Actions min | $4 | $1,600 | $19,200 |
Enterprise SAML SSO, audit log, advanced security | $21 | $8,400 | $100,800 |
Source: GitHub pricing page. List price, USD, annual billing where offered.
The number nobody puts on the pricing page
SeatMap.AI's Shelfware Index shows the median GitHub team runs at 18% inactive seats. On a 400-seat Enterprise plan, that's $18,144/year paid for seats that never showed up.
What a real GitHub audit at this size looks like
- Median active-user rate
- 85%
- Shelfware Index benchmark for GitHub teams this size.
- Dormancy window
- 90 days
- How long a seat can sit idle before it counts as ghost.
- Hidden cost we flag
- Copilot Business seats assigned but never used.
GitHub Enterprise reclaim comes from off-boarded contractors whose access was never revoked — audit-only, no cost cut, but a real security win.
"The reclaim conversation turned into an offboarding-hygiene conversation fast."
Read the full breakdown in case studies or see the live weekly benchmark on the Shelfware Index.
Other team sizes
5 seats10 seats15 seats20 seats25 seats40 seats50 seats75 seats100 seats150 seats200 seats250 seats300 seats500 seats750 seats1000 seats2000 seats3000 seats5000 seats