Example startup
credit runway from nov 2026
- without jayn
- run out
- Nov 2027
- with jayn
- run out
- Mar 2028
- AI spend those months cover
- $102,308
months gained+3.9
credit runway forecast · an example startup · from nov 2026
This startup’s AI credits last 3.9 months longer.
With jayn they run out in Mar 2028 instead of Nov 2027. Change any number to forecast your own.
type 200k or 1.5m for amounts. arrow keys step a value, shift + arrow steps by ten.
Where the credits run out
The credit balance month by month, with and without jayn.
runway
credits expire
without jayn
Nov 2027
with jayn
Mar 2028
+3.9 months
- without jayn
- with jayn
- extra runway
show all 17 months
| month | spend without jayn | spend with jayn | credits left without | credits left with |
|---|---|---|---|---|
| Nov 2026 | $10,000 | $10,000 | $190,000 | $190,000 |
| Dec 2026 | $10,700 | $6,955 | $179,300 | $183,045 |
| Jan 2027 | $11,449 | $7,442 | $167,851 | $175,603 |
| Feb 2027 | $12,250 | $7,963 | $155,601 | $167,640 |
| Mar 2027 | $13,108 | $8,520 | $142,493 | $159,120 |
| Apr 2027 | $14,026 | $9,117 | $128,467 | $150,004 |
| May 2027 | $15,007 | $9,755 | $113,460 | $140,249 |
| Jun 2027 | $16,058 | $10,438 | $97,402 | $129,811 |
| Jul 2027 | $17,182 | $11,168 | $80,220 | $118,643 |
| Aug 2027 | $18,385 | $11,950 | $61,836 | $106,693 |
| Sep 2027 | $19,672 | $12,786 | $42,164 | $93,907 |
| Oct 2027 | $21,049 | $13,682 | $21,115 | $80,225 |
| Nov 2027 | $22,522 | $14,639 | $0 | $65,586 |
| Dec 2027 | $24,098 | $15,664 | $0 | $49,922 |
| Jan 2028 | $25,785 | $16,760 | $0 | $33,161 |
| Feb 2028 | $27,590 | $17,934 | $0 | $15,228 |
| Mar 2028 | $29,522 | $19,189 | $0 | $0 |
If the assumptions are off
Months gained if savings or usage growth land differently. The outlined cell is this forecast.
what if
| saved \ growth | 2% / mo | 4.5% / mo | 7% / mo | 9.5% / mo | 12% / mo |
|---|---|---|---|---|---|
| 15% | 2.4 | 1.7 | 1.4 | 1.2 | 1.0 |
| 25% | 4.4 | 3.2 | 2.5 | 2.1 | 1.8 |
| 35% | 6.9 | 4.9 | 3.9 (current scenario) | 3.2 | 2.7 |
| 45% | 7.0 | 7.1 | 5.5 | 4.5 | 3.9 |
| 55% | 7.0 | 9.4 | 7.6 | 6.2 | 5.3 |
rows: share of spend saved. columns: monthly usage growth.
How the forecast works
spend
AI spend grows by the growth rate every month, compounded. Credits pay for it until they run out or expire.
savings
jayn cuts each month’s spend by the expected savings, phased in evenly until full savings.
months gained
The gap between the two run-out dates. Credits that expire unused don’t count, so the gain stops at expiry.
spend covered
What those extra months of AI would have cost in cash without jayn, at the spend you would have reached.
A 10-year horizon. Amounts in USD, any currency works the same.