Developers who built workflows around GitHub Copilot now stare at bills that could multiply tenfold or more. The long-heralded AI coding assistant transitions to usage-based pricing on June 1. Flat monthly fees give way to charges tied directly to tokens consumed. And the reaction has been swift. “What a joke,” one Redditor wrote after reviewing projected charges. The user had paid around $29 monthly. New estimates reached nearly $750. TechCrunch captured the outburst and similar complaints flooding Reddit and X in recent days. Another poster shared a screenshot showing costs jumping from roughly $50 to $3,000. “WOW, didn’t expect new pricing model to be this ridiculous,” the user added. GitHub laid out the plan weeks earlier. Base subscription prices stay the same. Copilot Pro remains $10 per month. That now buys $10 worth of GitHub AI Credits. Pro+ at $39 includes $39 in credits. Business seats get $19 per user while Enterprise provides $39. Organizations receive extra promotional credits through August.…