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Developer Warns Opus 5 Burned Entire £20 Cursor Budget With Little Useful Output

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A developer testing Claude's Opus 5 model via the Cursor IDE assigned it an open-ended task to identify low-competition online money-making opportunities. The model generated 44 separate analysis files before exhausting the user's entire £20 monthly credit allowance in a single session. The output was largely described as repetitive, generic, and circular, with the only concrete suggestion being to build tax management software. The developer attributed the poor value to Opus 5's tendency to create excessive file structure while burning through token context rapidly. As an alternative, the writer recommends Cursor's Grok 4.5 High Fast model for its speed, cost efficiency, and more focused, practical responses.

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Developer Warns Opus 5 Burned Entire £20 Cursor Budget With Little Useful Output · ShortSingh