Why coding agents burn tokens — and how to stop it

Agent cost is a multiplication problem: everything in the context window is re-sent on every turn.

Last updated 2026-10-02. Model pricing is refreshed twice daily.

Overview

Agent cost is a multiplication problem: everything in the context window is re-sent on every turn.

Session cost model with five toggleable fixes
Copy-ready settings for Claude Code, Codex, Kimi Code and VS Code Copilot
Shared AGENTS.md operating contract

About Tokenomy

Tokenomy is the economic runtime for AI — the system of record for AI model pricing, plus free tools, independent research and runtime rails that meter, enforce and attribute every model call.