The Command+K blog
Field notes on AI-native SaaS.
How to ship MCP servers, embed in-product AI assistants, and monetize AI usage — written by the team building the platform.
- AI monetization
Metered billing for AI agents: the worst case we priced for was below our median round
Our flat per-reply credit was floored on a 16,000-token round. Across 1,000 production turns the median round carried 19,607 prompt tokens and the heaviest 273,187. What a per-turn price actually has to bound.
Oct 10, 2026 · 7 min - AI monetization
Per-user spend caps: the quietest revenue lever in AI billing
Workspace caps protect your wallet; per-user caps drive expansion. Here's how to design caps that contain abuse and convert power users without a sales call.
Jun 29, 2026 · 4 min - AI monetization
Stripe usage-based billing for AI features
The 2026 pattern for billing AI usage in Stripe: subscription plus metered price using the Billing Meters API, idempotent event pipeline, credits not tokens, per-user caps at the gateway, and clean invoice presentation.
Jun 19, 2026 · 7 min