Frugal Tokens Review 2026: Coding Agent Cost Tracking Compared
Frugal Tokens is a local, read-only Deno dashboard that reads the session transcripts Claude Code, Codex, OpenCode, PI, and Cursor already write to disk, then reports spend, estimated working time, and — its differentiator — the type and dollar cost of every prompt-cache miss. It answers why a bill grew, not just how large it was. That distinction is the whole reason this tool deserves a closer look than its 25 GitHub stars suggest. Coding agent cost tracking in 2026 has become a solved collection problem and an unsolved interpretation problem: every serious tool parses the same local JSONL files, so the only thing left to compete on is what you do with them. Frugal Tokens bets on cache economics. This review tests whether that bet is worth running. ...