Token prices keep falling, yet devs burn more: Jevons paradox hits AI coding agents

daniel_mac8 · x · 2026-10-11

Developer danielmac8 shares a counterintuitive reality: despite falling token prices, he spent a week tuning cache TTL, autocompact, and subagent models just to stay under his Codex and Claude Code usage limits.

The reason: cheaper tokens mean agents run longer and spawn more instances, so total spend keeps climbing. His one-line summary — Jevons paradox, in real life: efficiency gains translate into more consumption, not lower costs. For agent engineering teams, cost optimization should focus on usage control rather than per-token price.

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