Topic
AI Costs
3 posts on ai costs — guides and lab notes from real runs on hardware we own. New posts land here automatically. Start anywhere, or grab the copy-paste prompts that ship with them.
- 4 min read
AI security is now a token-burning contest. Who's watching the bill?
Simon Willison frames AI-assisted security research as proof of work: more tokens in, more bugs found. That's an economic reality. Here's what the spend curve actually looks like and how to put a floor under it.
- 4 min read
AI Token Pricing 2026: Cap Per-Token Agent Costs at Runtime
Per-token billing is coming for every AI provider within six months. Here's how your agent costs change — and how to cap them at runtime before the bill spikes.
- 5 min read
Claude Code Prompt Caching Costs: Pick the Right TTL (2026)
Claude Code has two prompt-caching TTLs, and most devs pay the pricier tier without knowing. Here's how cache writes quietly inflate your Anthropic bill — and how to cap it.
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