Dev shares bill: accidental prompt sent to Opus still cost just 30 cents

haydendevs · x · 2026-09-17

Developer haydendevs shared an API bill totaling just 30 cents and joked about spotting the one prompt he accidentally sent to Opus — the pricier Claude tier. The attached screenshot is the bill itself, a classic AI billing mix-up that also illustrates the price gap between model tiers.

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