Usage-Based Pricing
Pay for what you use. Start free, scale as you grow.
Only substantive AI responses count — greetings and simple acknowledgments are free.
FREE
Try Pillar risk-free. No cost, no card.
$0one-time
50 responses (one-time)
Get Started FreeNo card required
Actions (execute, pre-fill)
Analytics dashboard
Widget customization
HOBBY
For side projects
$15per month
150 responses/mo· billed yearly
Get StartedThen $0.25/response
Actions (execute, pre-fill)
Analytics dashboard
Widget customization
PRO
For production apps
$79per month
500 responses/mo· billed yearly
Get StartedThen $0.20/response
Everything in Hobby
Priority support
GROWTH
For scaling apps
$199per month
1,500 responses/mo· billed yearly
Get StartedThen $0.15/response
Everything in Pro
Custom integrations
Need enterprise features like SSO, SLA, or custom integrations? Contact us for enterprise pricing
Simple responses are free. Longer responses count proportionally.