I tested RTK and Headroom, the two most-starred token-saving tools, on GPT-6 Astra: 5 coding tasks, 4 setups, 3 runs each, every run priced
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RTK and Headroom are the two most-starred open-source "cut your token bill" repos on GitHub, and Astra is the model everyone is watching the bill on. I measured them instead of trusting the READMEs. Setup: 5 small coding questions in a Rust repo, GPT-6 Astra with a bash tool, each run under four se…
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