A single Rust binary that sits between Claude / Codex / Cursor and the model, and cuts what you send by 6–8× on average. Locally. Before it leaves your laptop.
macOS + Linux. Windows: irm https://get.tetris.codes/ps1 | iex.
Paranoid? inspect the script or install direct from GitHub Releases.
live community savings, right now
SWE-bench Verified · pass@1 delta vs. tokens kept · upper-right is better
Full methodology & raw data — how we measure.
"I stopped dreading Cursor's monthly bill. The tetris TUI on a second monitor is morbidly satisfying."
"It saves me ~$90/mo on Claude Code alone. I expected nothing, which is how most tools in this space go."
"Our team turned it on org-wide in one afternoon. The audit trace is what sold finance."