Opus 5.5 is far more token-efficient, yet one night still burned 80% of weekly usage

nptacek · x · 2026-11-02

nptacek reports that opus 5.5 is much better at token usage compared to opus 5 — but he still managed to burn through 80% of his weekly usage in a single night, a first-hand data point on how quickly heavy agent workflows consume even improved quotas.

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