Planning

AI Startup Runway Calculator

Forecast AI spend over a growth curve and see when product usage consumes a fixed model budget.

Growth curve

Model

5) for Haiku (

/$5) can cut a token bill ~5×.

AI budget

Starting active users4,000

Monthly user growth18%

Requests / user / day1.4

Input tokens / request1,800

Output tokens / request420

Budget runway

12+ months

9,014 projected AI spend over 12 months

Month 1

$544

168K requests

Month 12

$3,362

25K users

Budget delta

$30,986

budget - projected

Month	Users	Requests	Cost
Month 1	4.0K	168K	$544
Month 2	4.7K	198K	$642
Month 3	5.6K	234K	$758
Month 4	6.6K	276K	$894
Month 5	7.8K	326K	,055
Month 6	9.2K	384K	,245
Month 7	11K	454K	,469
Month 8	13K	535K	,734
Month 9	15K	631K	,046
Month 10	18K	745K	,414
Month 11	21K	879K	,849
Month 12	25K	1.0M	$3,362