Articles by Ben Foster
How to write a price increase letter customers accept
A price increase letter works when it leads with the change, names the cost shift behind it, and gives customers a real choice. Steps, AI cases, 2 templates.
Tokens vs credits vs hybrid: which fits AI products?
Tokens, credits, and hybrid are the three ways AI products price usage. Compare how each handles variable model costs, margins, and when a hybrid model wins.
AI pricing strategy: there's no playbook, find yours
AI pricing strategy has no universal playbook because AI margins break SaaS math. Diagnose your starting position, value layer, and per-customer margin.
AI agent cost control: why production agents drain margins
AI agent cost control fails when you read last month's bill. The real drain is retries, loops, and oversized context, not model price. See what stops it.
How to design hybrid pricing for AI products
Hybrid pricing pairs a subscription base with usage-based overages. See when it fits AI products, how to size the split, and the margin traps to avoid.
The 5 API monetization models (and which fits your AI product)
API monetization models split into five patterns. Pay-per-call, prepaid credits, tiered subscriptions, freemium, and hybrid. See which fits your AI product.
How do AI credit systems work?
An AI credit system charges customers in product-defined units that map to real model and compute cost. Here is how credits work and how to keep margin intact.
Claude Fable 5 launched at $50/M tokens. Pricing explained.
Claude Fable 5 launched June 9 at $10/$50 per million tokens. See why frontier inference is priced-to-clear and what flat-rate AI products do next.
Salesforce acquires m3ter: metering vs authorization in AI billing
Salesforce acquired m3ter on June 8, 2026, exposing the real split in AI billing: metering and authorization are two layers, and serious AI products run both.
Post-usage invoicing vs real-time billing
Post-usage invoicing vs real-time billing comes down to exposure: how long a wrong price keeps costing you. How to think about the choice.
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